{
    "name": "Kingy AI Price Index",
    "licence": "CC BY 4.0",
    "citation": "Kingy AI Price Index, September 2026 edition. Kingy AI. https://kingy.ai/ai-price-index/2026-09/",
    "url": "https://kingy.ai/ai-price-index/2026-09/",
    "method": {
        "version": "1.0",
        "url": "https://kingy.ai/ai-price-index/#method"
    },
    "edition": {
        "edition": "2026-09",
        "label": "September 2026",
        "reconstructed": true,
        "referenceDate": "2026-09-20",
        "capturedAt": "2026-09-20T23:59:59+00:00",
        "method": "1.0",
        "previous": null,
        "previousReferenceDate": null,
        "intervalDays": null,
        "headline": "In September 2026, a million AI tokens cost a median $4.50 from frontier models, $4.00 from mid-range models and $0.53 from small models. A typical AI subscription cost $20.00 a month, and top plans cost $200.00.",
        "changes": {
            "likeForLike": [],
            "unchanged": 0,
            "basket": []
        },
        "scheduled": [
            {
                "id": "google-gemini-3-8-flash",
                "provider": "Google",
                "model": "Gemini 3.8 Flash",
                "field": "input",
                "from": "2027-01-01",
                "until": "2026-12-31",
                "current": "0.75",
                "next": "1.50"
            },
            {
                "id": "google-gemini-3-8-flash",
                "provider": "Google",
                "model": "Gemini 3.8 Flash",
                "field": "output",
                "from": "2027-01-01",
                "until": "2026-12-31",
                "current": "3.75",
                "next": "7.50"
            }
        ],
        "outlook": [],
        "withheld": [
            {
                "id": "xai-premium",
                "status": "absent",
                "reason": "No snapshot exists of docs.x.ai/x-subscription/pricing(.md); the docs.x.ai/llms.txt index snapshot of 2026-09-18 has no X Subscription section, so the plan appears not to have existed on 2026-09-20. The then-current consumer plan page (x.ai/grok, snapshot 2026-09-17) names SuperGrok but shows no price."
            },
            {
                "id": "xai-ultra",
                "status": "absent",
                "reason": "No snapshot exists of docs.x.ai/x-subscription/pricing(.md); the docs.x.ai/llms.txt index snapshot of 2026-09-18 has no X Subscription section, so the plan appears not to have existed on 2026-09-20. The then-current consumer plan page (x.ai/grok, snapshot 2026-09-17) names SuperGrok but shows no price. The previous top plan, SuperGrok Heavy, is mentioned in today's Grok FAQ but its price was not found on any fetchable official page."
            }
        ],
        "corrections": [],
        "tiers": [
            {
                "id": "frontier",
                "label": "Frontier",
                "kind": "api",
                "summary": "Each lab's most capable model",
                "unit": "USD per 1M tokens, 3:1 input:output blend",
                "value": "4.5000",
                "previousValue": null,
                "changePct": null,
                "n": 7,
                "min": "1.9800",
                "max": "20.0000",
                "constituents": [
                    "deepseek-v4-pro",
                    "xai-grok-4-6",
                    "mistral-medium-3-5",
                    "google-gemini-3-1-pro-preview",
                    "moonshot-kimi-k3",
                    "openai-gpt-6-astra",
                    "anthropic-claude-fable-5-1"
                ],
                "published": true,
                "indexLevel": "100.00"
            },
            {
                "id": "mid",
                "label": "Mid-range",
                "kind": "api",
                "summary": "Each lab's balanced workhorse model",
                "unit": "USD per 1M tokens, 3:1 input:output blend",
                "value": "4.0000",
                "previousValue": null,
                "changePct": null,
                "n": 3,
                "min": "1.5000",
                "max": "4.5000",
                "constituents": [
                    "google-gemini-3-8-flash",
                    "anthropic-claude-sonnet-5",
                    "openai-gpt-5-6-terra"
                ],
                "published": true,
                "indexLevel": "100.00"
            },
            {
                "id": "small",
                "label": "Small",
                "kind": "api",
                "summary": "Each lab's low-cost, high-volume model",
                "unit": "USD per 1M tokens, 3:1 input:output blend",
                "value": "0.5250",
                "previousValue": null,
                "changePct": null,
                "n": 5,
                "min": "0.2625",
                "max": "2.0000",
                "constituents": [
                    "mistral-small-4",
                    "openai-gpt-5-6-luna",
                    "deepseek-flash",
                    "google-gemini-3-5-flash-lite",
                    "anthropic-claude-haiku-4-5"
                ],
                "published": true,
                "indexLevel": "100.00"
            },
            {
                "id": "standard",
                "label": "Standard plan",
                "kind": "subscription",
                "summary": "Each provider's main paid individual plan",
                "unit": "USD per month",
                "value": "20.0000",
                "previousValue": null,
                "changePct": null,
                "n": 5,
                "min": "14.99",
                "max": "20.00",
                "constituents": [
                    "mistral-pro",
                    "google-ai-pro",
                    "openai-chatgpt-plus",
                    "anthropic-claude-pro",
                    "perplexity-pro"
                ],
                "published": true,
                "indexLevel": "100.00"
            },
            {
                "id": "top",
                "label": "Top plan",
                "kind": "subscription",
                "summary": "Each provider's highest-priced individual plan",
                "unit": "USD per month",
                "value": "200.0000",
                "previousValue": null,
                "changePct": null,
                "n": 4,
                "min": "199.99",
                "max": "200.00",
                "constituents": [
                    "google-ai-ultra",
                    "openai-chatgpt-pro",
                    "anthropic-claude-max",
                    "perplexity-max"
                ],
                "published": true,
                "indexLevel": "100.00"
            }
        ],
        "observations": [
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                "id": "openai-gpt-6-astra",
                "provider": "OpenAI",
                "model": "GPT-6 Astra",
                "modelId": "gpt-6-astra",
                "tier": "frontier",
                "status": "verified",
                "input": "10.00",
                "output": "50.00",
                "cachedInput": "1.00",
                "blended": "20.0000",
                "source": {
                    "url": "https://developers.openai.com/api/docs/pricing",
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                    "snapshotUrl": "https://web.archive.org/web/20260920103047/https://developers.openai.com/api/docs/pricing",
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                    "excerpt": "gpt-6-astra $10.00 $1.00 $12.50 $50.00"
                },
                "positioning": {
                    "url": "https://developers.openai.com/api/docs/models",
                    "snapshotUrl": null,
                    "quote": "use GPT-6 Astra , our flagship model for complex reasoning and coding",
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            },
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                "id": "openai-gpt-5-6-terra",
                "provider": "OpenAI",
                "model": "GPT-5.6 Terra",
                "modelId": "gpt-5.6-terra",
                "tier": "mid",
                "status": "verified",
                "input": "2.00",
                "output": "12.00",
                "cachedInput": "0.20",
                "blended": "4.5000",
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                    "url": "https://developers.openai.com/api/docs/pricing",
                    "page": "https://developers.openai.com/api/docs/pricing",
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                    "snapshotUrl": "https://web.archive.org/web/20260920103047/https://developers.openai.com/api/docs/pricing",
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                    "sha256": "811a3c23eaee9a034196af83ed730c4c62d11fdcb76be964b0459b4cafb278de",
                    "excerpt": "gpt-5.6-terra $2.00 $0.20 $2.50 $12.00"
                },
                "positioning": {
                    "url": "https://developers.openai.com/api/docs/models",
                    "snapshotUrl": null,
                    "quote": "Choose GPT-5.6 Terra to balance intelligence and cost",
                    "rule": null
                }
            },
            {
                "id": "openai-gpt-5-6-luna",
                "provider": "OpenAI",
                "model": "GPT-5.6 Luna",
                "modelId": "gpt-5.6-luna",
                "tier": "small",
                "status": "verified",
                "input": "0.20",
                "output": "1.20",
                "cachedInput": "0.02",
                "blended": "0.4500",
                "source": {
                    "url": "https://developers.openai.com/api/docs/pricing",
                    "page": "https://developers.openai.com/api/docs/pricing",
                    "fetchedAt": "2026-10-19T15:41:55+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20260920103047/https://developers.openai.com/api/docs/pricing",
                    "snapshotAt": "2026-09-20T10:30:47+00:00",
                    "sha256": "811a3c23eaee9a034196af83ed730c4c62d11fdcb76be964b0459b4cafb278de",
                    "excerpt": "gpt-5.6-luna $0.20 $0.02 $0.25 $1.20"
                },
                "positioning": {
                    "url": "https://developers.openai.com/api/docs/models",
                    "snapshotUrl": null,
                    "quote": "GPT-5.6 Luna for cost-sensitive, high-volume workloads",
                    "rule": null
                }
            },
            {
                "id": "anthropic-claude-fable-5-1",
                "provider": "Anthropic",
                "model": "Claude Fable 5.1",
                "modelId": "claude-fable-5-1",
                "tier": "frontier",
                "status": "verified",
                "input": "10",
                "output": "50",
                "cachedInput": "0.25",
                "blended": "20.0000",
                "source": {
                    "url": "https://platform.claude.com/docs/en/about-claude/pricing",
                    "page": "https://platform.claude.com/docs/en/about-claude/pricing",
                    "fetchedAt": "2026-10-19T15:42:18+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20260920181430/https://platform.claude.com/docs/en/about-claude/pricing",
                    "snapshotAt": "2026-09-20T18:14:30+00:00",
                    "sha256": "7b524d906bbc2495741d5afb5270703ca3c9c220a68c605327ca96c4bc2017bd",
                    "excerpt": "Claude Fable 5.1 $10 / MTok $12.50 / MTok $20 / MTok $0.25 / MTok 1 $50 / MTok"
                },
                "positioning": {
                    "url": "https://platform.claude.com/docs/en/about-claude/pricing",
                    "snapshotUrl": null,
                    "quote": "Models overview Claude Fable 5.1 Claude Opus 5 Claude Sonnet 5 Claude Haiku 4.5",
                    "rule": "No Anthropic positioning page was archived for this date. The model in the same product line as October's constituent takes the tier (Fable → Frontier)."
                }
            },
            {
                "id": "anthropic-claude-sonnet-5",
                "provider": "Anthropic",
                "model": "Claude Sonnet 5",
                "modelId": "claude-sonnet-5",
                "tier": "mid",
                "status": "verified",
                "input": "2",
                "output": "10",
                "cachedInput": "0.20",
                "blended": "4.0000",
                "source": {
                    "url": "https://platform.claude.com/docs/en/about-claude/pricing",
                    "page": "https://platform.claude.com/docs/en/about-claude/pricing",
                    "fetchedAt": "2026-10-19T15:42:18+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20260920181430/https://platform.claude.com/docs/en/about-claude/pricing",
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                    "excerpt": "Claude Sonnet 5 $2 / MTok $2.50 / MTok $4 / MTok $0.20 / MTok $10 / MTok"
                },
                "positioning": {
                    "url": "https://platform.claude.com/docs/en/about-claude/pricing",
                    "snapshotUrl": null,
                    "quote": "Models overview Claude Fable 5.1 Claude Opus 5 Claude Sonnet 5 Claude Haiku 4.5",
                    "rule": "No Anthropic positioning page was archived for this date. The model in the same product line as October's constituent takes the tier (Sonnet → Mid-range)."
                }
            },
            {
                "id": "anthropic-claude-haiku-4-5",
                "provider": "Anthropic",
                "model": "Claude Haiku 4.5",
                "modelId": "claude-haiku-4-5",
                "tier": "small",
                "status": "verified",
                "input": "1",
                "output": "5",
                "cachedInput": "0.10",
                "blended": "2.0000",
                "source": {
                    "url": "https://platform.claude.com/docs/en/about-claude/pricing",
                    "page": "https://platform.claude.com/docs/en/about-claude/pricing",
                    "fetchedAt": "2026-10-19T15:42:18+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20260920181430/https://platform.claude.com/docs/en/about-claude/pricing",
                    "snapshotAt": "2026-09-20T18:14:30+00:00",
                    "sha256": "7b524d906bbc2495741d5afb5270703ca3c9c220a68c605327ca96c4bc2017bd",
                    "excerpt": "Claude Haiku 4.5 $1 / MTok $1.25 / MTok $2 / MTok $0.10 / MTok $5 / MTok"
                },
                "positioning": {
                    "url": "https://platform.claude.com/docs/en/about-claude/pricing",
                    "snapshotUrl": null,
                    "quote": "Models overview Claude Fable 5.1 Claude Opus 5 Claude Sonnet 5 Claude Haiku 4.5",
                    "rule": "No Anthropic positioning page was archived for this date. The model in the same product line as October's constituent takes the tier (Haiku → Small)."
                }
            },
            {
                "id": "google-gemini-3-1-pro-preview",
                "provider": "Google",
                "model": "Gemini 3.1 Pro Preview",
                "modelId": "gemini-3.1-pro-preview",
                "tier": "frontier",
                "status": "verified",
                "input": "2.00",
                "output": "12.00",
                "blended": "4.5000",
                "conditions": "Prompts up to 200K tokens.",
                "source": {
                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
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                    "fetchedAt": "2026-10-19T15:42:36+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20260920044354/https://ai.google.dev/gemini-api/docs/pricing",
                    "snapshotAt": "2026-09-20T04:43:54+00:00",
                    "sha256": "10571ca2d2f28c36359d0847f8ff945e6f7cac92ac33e227e41bf16486992df7",
                    "excerpt": "Gemini 3.1 Pro Preview gemini-3.1-pro-preview and gemini-3.1-pro-preview-customtools Try it in Google AI Studio Our 3rd generation Pro model, built for multimodal understanding, agentic capabilities, and vibe-coding. Standard Free Tier Paid Tier, per 1M tokens in USD Input price Not available $2.00, prompts <= 200k tokens $4.00, prompts > 200k tokens Output price (including thinking tokens) Not available $12.00"
                },
                "positioning": {
                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
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                    "quote": "Our 3rd generation Pro model, built for multimodal understanding, agentic capabilities, and vibe-coding.",
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            },
            {
                "id": "google-gemini-3-8-flash",
                "provider": "Google",
                "model": "Gemini 3.8 Flash",
                "modelId": "gemini-3.8-flash",
                "tier": "mid",
                "status": "verified",
                "input": "0.75",
                "output": "3.75",
                "blended": "1.5000",
                "schedule": {
                    "input": {
                        "until": "2026-12-31",
                        "from": "2027-01-01",
                        "price": "1.50"
                    },
                    "output": {
                        "until": "2026-12-31",
                        "from": "2027-01-01",
                        "price": "7.50"
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                },
                "source": {
                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
                    "page": "https://ai.google.dev/gemini-api/docs/pricing",
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                    "snapshotUrl": "https://web.archive.org/web/20260920044354/https://ai.google.dev/gemini-api/docs/pricing",
                    "snapshotAt": "2026-09-20T04:43:54+00:00",
                    "sha256": "10571ca2d2f28c36359d0847f8ff945e6f7cac92ac33e227e41bf16486992df7",
                    "excerpt": "Gemini 3.8 Flash gemini-3.8-flash Try it in Google AI Studio Our most intelligent Flash model, engineered for long-horizon software engineering, autonomous agents, and complex enterprise workflows. Standard Free Tier Paid Tier, per 1M tokens in USD Input price Free of charge $0.75 through December 31, 2026. $1.50 starting January 1, 2027. Output price (including thinking tokens) Free of charge $3.75 through December 31, 2026. $7.50 starting January 1, 2027."
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                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
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                    "quote": "Our most intelligent Flash model, engineered for long-horizon software engineering",
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            },
            {
                "id": "google-gemini-3-5-flash-lite",
                "provider": "Google",
                "model": "Gemini 3.5 Flash-Lite",
                "modelId": "gemini-3.5-flash-lite",
                "tier": "small",
                "status": "verified",
                "input": "0.30",
                "output": "2.50",
                "blended": "0.8500",
                "source": {
                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
                    "page": "https://ai.google.dev/gemini-api/docs/pricing",
                    "fetchedAt": "2026-10-19T15:42:36+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20260920044354/https://ai.google.dev/gemini-api/docs/pricing",
                    "snapshotAt": "2026-09-20T04:43:54+00:00",
                    "sha256": "10571ca2d2f28c36359d0847f8ff945e6f7cac92ac33e227e41bf16486992df7",
                    "excerpt": "Gemini 3.5 Flash-Lite gemini-3.5-flash-lite Try it in Google AI Studio A cost-efficient model, optimized for high-volume agentic tasks, translation, and simple data processing. Standard Free Tier Paid Tier, per 1M tokens in USD Input price Free of charge $0.30 (text / image / video / audio) Output price (including thinking tokens) Free of charge $2.50"
                },
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                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
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                    "quote": "A cost-efficient model, optimized for high-volume agentic tasks",
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                }
            },
            {
                "id": "xai-grok-4-6",
                "provider": "xAI",
                "model": "Grok 4.6",
                "modelId": "grok-4.6",
                "tier": "frontier",
                "status": "verified",
                "input": "2.00",
                "output": "6.00",
                "blended": "3.0000",
                "conditions": "Prompts under 200K tokens.",
                "source": {
                    "url": "https://docs.x.ai/developers/models",
                    "page": "https://docs.x.ai/developers/models",
                    "fetchedAt": "2026-10-19T15:42:49+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20260920040706/https://docs.x.ai/developers/models",
                    "snapshotAt": "2026-09-20T04:07:06+00:00",
                    "sha256": "dc36921c17ce599588dc6b5fe67badef113d9553ef758703a8229178d6a558b8",
                    "excerpt": "Meet grok-4.6 Grok 4.6 New grok-4.6 Our flagship model for code and everything else: agentic tool calling, minimal hallucinations, configurable reasoning. Context 500k tokens Input $2.00 / 1M tokens Output $6.00"
                },
                "positioning": {
                    "url": "https://docs.x.ai/developers/models",
                    "snapshotUrl": null,
                    "quote": "Our flagship model for code and everything else",
                    "rule": null
                }
            },
            {
                "id": "deepseek-v4-pro",
                "provider": "DeepSeek",
                "model": "DeepSeek V4 Pro",
                "modelId": "deepseek-v4-pro",
                "tier": "frontier",
                "status": "verified",
                "input": "1.32",
                "output": "3.96",
                "cachedInput": "0.044",
                "blended": "1.9800",
                "conditions": "Peak rate; off-peak hours cost half.",
                "offPeak": {
                    "input": "0.66",
                    "output": "1.98"
                },
                "source": {
                    "url": "https://api-docs.deepseek.com/quick_start/pricing/",
                    "page": "https://api-docs.deepseek.com/quick_start/pricing/",
                    "fetchedAt": "2026-10-19T15:43:00+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20260917051418/https://api-docs.deepseek.com/quick_start/pricing/",
                    "snapshotAt": "2026-09-17T05:14:18+00:00",
                    "sha256": "31902010ee5d690de6b0c79c9e05c507fedf11007a23a965551b5ecebdc4adc8",
                    "excerpt": "1M INPUT TOKENS (CACHE HIT) OFF-PEAK $0.003 $0.022 PEAK $0.006 $0.044 1M INPUT TOKENS (CACHE MISS) OFF-PEAK $0.15 $0.66 PEAK $0.3 $1.32 1M OUTPUT TOKENS OFF-PEAK $0.6 $1.98 PEAK $1.2 $3.96"
                },
                "positioning": {
                    "url": "https://api-docs.deepseek.com/quick_start/pricing/",
                    "snapshotUrl": null,
                    "quote": "MODEL deepseek-flash (1) deepseek-v4-pro (2)",
                    "rule": "DeepSeek sells exactly two general-purpose models; under the method, the higher-priced is its frontier model and the lower-priced its small model."
                }
            },
            {
                "id": "deepseek-flash",
                "provider": "DeepSeek",
                "model": "DeepSeek V4.1 Flash",
                "modelId": "deepseek-flash",
                "tier": "small",
                "status": "verified",
                "input": "0.3",
                "output": "1.2",
                "cachedInput": "0.006",
                "blended": "0.5250",
                "conditions": "Peak rate; off-peak hours cost half.",
                "offPeak": {
                    "input": "0.15",
                    "output": "0.6"
                },
                "source": {
                    "url": "https://api-docs.deepseek.com/quick_start/pricing/",
                    "page": "https://api-docs.deepseek.com/quick_start/pricing/",
                    "fetchedAt": "2026-10-19T15:43:00+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20260917051418/https://api-docs.deepseek.com/quick_start/pricing/",
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                "positioning": {
                    "url": "https://api-docs.deepseek.com/quick_start/pricing/",
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                    "quote": "MODEL deepseek-flash (1) deepseek-v4-pro (2)",
                    "rule": "DeepSeek sells exactly two general-purpose models; under the method, the higher-priced is its frontier model and the lower-priced its small model."
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            },
            {
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                "provider": "Moonshot AI",
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                "input": "3.00",
                "output": "15.00",
                "cachedInput": "0.30",
                "blended": "6.0000",
                "source": {
                    "url": "https://platform.kimi.ai/docs/pricing/chat.md",
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                "tier": "frontier",
                "status": "verified",
                "input": "1.5",
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                "blended": "3.0000",
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                    "url": "https://docs.mistral.ai/models",
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                    "quote": "Our frontier-class multimodal model optimized for agentic and coding use cases.",
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                "provider": "Mistral AI",
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                    "sha256": "02e090cd2e00e3595c1754183846bd15539b7346cd481fcd2179192aa611812f",
                    "excerpt": "Price i USD EUR $ 0.15 /M Tokens $ 0.6"
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                "positioning": {
                    "url": "https://docs.mistral.ai/models",
                    "snapshotUrl": null,
                    "quote": "Hybrid model unifying instruct, reasoning, and coding in a single efficient model.",
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            },
            {
                "id": "openai-chatgpt-plus",
                "provider": "OpenAI",
                "product": "ChatGPT",
                "model": "ChatGPT Plus",
                "modelId": "openai-chatgpt-plus",
                "tier": "standard",
                "status": "verified",
                "monthly": "20.00",
                "basketNote": "Latest Wayback snapshot of the same URL at or before 2026-09-20 is 2026-09-17.",
                "source": {
                    "url": "https://learn.chatgpt.com/docs/pricing",
                    "page": "https://learn.chatgpt.com/docs/pricing",
                    "fetchedAt": null,
                    "snapshotUrl": "https://web.archive.org/web/20260917200619/https://learn.chatgpt.com/docs/pricing",
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            },
            {
                "id": "openai-chatgpt-pro",
                "provider": "OpenAI",
                "product": "ChatGPT",
                "model": "ChatGPT Pro ($200 tier)",
                "modelId": "openai-chatgpt-pro@200.00",
                "tier": "top",
                "status": "verified",
                "monthly": "200.00",
                "basketNote": "DIFFERENT official URL from today's source. The same-URL snapshot (learn.chatgpt.com/docs/pricing, 2026-09-17) shows only 'Pro ... From $100 /month' with 5x/20x tiers and no $500 tier (see supportingEvidence). The top individual tier at baseline was Pro $200 (Pro 20x), taken from the help.openai.com Pro article snapshot of 2026-09-12 (latest at or before 2026-09-20). Pro $200 new sign-ups/upgrades were paused from 2026-09-10 per that article.",
                "source": {
                    "url": "https://help.openai.com/en/articles/9793128-what-is-chatgpt-pro",
                    "page": "https://help.openai.com/en/articles/9793128-what-is-chatgpt-pro",
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                    "snapshotUrl": "https://web.archive.org/web/20260912232003/https://help.openai.com/en/articles/9793128-what-is-chatgpt-pro/",
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            },
            {
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                "provider": "Anthropic",
                "product": "Claude",
                "model": "Claude Pro",
                "modelId": "anthropic-claude-pro",
                "tier": "standard",
                "status": "verified",
                "monthly": "20.00",
                "basketNote": "Same URL; Wayback snapshot 2026-09-20 20:11:59 UTC.",
                "source": {
                    "url": "https://claude.com/pricing",
                    "page": "https://claude.com/pricing",
                    "fetchedAt": null,
                    "snapshotUrl": "https://web.archive.org/web/20260920201159/https://claude.com/pricing",
                    "snapshotAt": "2026-09-20T20:11:59+00:00",
                    "sha256": "ba4cd227ac3fd3699c6619c71ac89bc0ce2ddadc060e8912cef465933b6ae0cc",
                    "excerpt": "Pro For everyday work $17 Per month with annual subscription discount ( $200 billed up front). $20 if billed monthly."
                }
            },
            {
                "id": "anthropic-claude-max",
                "provider": "Anthropic",
                "product": "Claude",
                "model": "Claude Max 20x",
                "modelId": "anthropic-claude-max",
                "tier": "top",
                "status": "verified",
                "monthly": "200.00",
                "basketNote": "Same URL; Wayback snapshot 2026-09-20 18:17:27 UTC.",
                "source": {
                    "url": "https://support.claude.com/en/articles/11049741-what-is-the-max-plan",
                    "page": "https://support.claude.com/en/articles/11049741-what-is-the-max-plan",
                    "fetchedAt": null,
                    "snapshotUrl": "https://web.archive.org/web/20260920181727/https://support.claude.com/en/articles/11049741-what-is-the-max-plan",
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                    "sha256": "6e51c0f00634b28855b5ad1bde7f0deb03476de6af4140739ff5e26261e81eb4",
                    "excerpt": "Max 5x : $100 per month Max 20x : $200 per month Note: These prices are for web subscriptions only."
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            },
            {
                "id": "google-ai-pro",
                "provider": "Google",
                "product": "Google AI",
                "model": "Google AI Pro",
                "modelId": "google-ai-pro",
                "tier": "standard",
                "status": "verified",
                "monthly": "19.99",
                "basketNote": "Same feed file (archived with a ?cb= cache-buster), Wayback 2026-09-20 23:54:39 UTC; found via CDX prefix query. The en_us page snapshot of 2026-09-10 shows the same plan names and the same price script.",
                "source": {
                    "url": "https://one.google.com/intl/ALL_us/about/feeds/pricing_2026_07_28.json?cb=1789948479813",
                    "page": "https://one.google.com/intl/ALL_us/about/feeds/pricing_2026_07_28.json?cb=1789948479813",
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                    "snapshotUrl": "https://web.archive.org/web/20260920235439/https://one.google.com/intl/ALL_us/about/feeds/pricing_2026_07_28.json?cb=1789948479813",
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            },
            {
                "id": "google-ai-ultra",
                "provider": "Google",
                "product": "Google AI",
                "model": "Google AI Ultra",
                "modelId": "google-ai-ultra@199.99",
                "tier": "top",
                "status": "verified",
                "monthly": "199.99",
                "basketNote": "Same feed, Wayback 2026-09-20 23:54:39 UTC.",
                "source": {
                    "url": "https://one.google.com/intl/ALL_us/about/feeds/pricing_2026_07_28.json?cb=1789948479813",
                    "page": "https://one.google.com/intl/ALL_us/about/feeds/pricing_2026_07_28.json?cb=1789948479813",
                    "fetchedAt": null,
                    "snapshotUrl": "https://web.archive.org/web/20260920235439/https://one.google.com/intl/ALL_us/about/feeds/pricing_2026_07_28.json?cb=1789948479813",
                    "snapshotAt": "2026-09-20T23:54:39+00:00",
                    "sha256": "4546b561f5ca33b270fd22d61b3011d0fdbc9942b30bfa6b0740e83cc805052d",
                    "excerpt": "\"PRICE_GEN_AI_ULTRA_200_MONTHLY\": 199.99,"
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            },
            {
                "id": "xai-premium",
                "provider": "xAI",
                "product": "The X Subscription",
                "model": "X Subscription Premium",
                "modelId": "xai-premium",
                "tier": "standard",
                "status": "absent",
                "reason": "No snapshot exists of docs.x.ai/x-subscription/pricing(.md); the docs.x.ai/llms.txt index snapshot of 2026-09-18 has no X Subscription section, so the plan appears not to have existed on 2026-09-20. The then-current consumer plan page (x.ai/grok, snapshot 2026-09-17) names SuperGrok but shows no price."
            },
            {
                "id": "xai-ultra",
                "provider": "xAI",
                "product": "The X Subscription",
                "model": "X Subscription Ultra",
                "modelId": "xai-ultra",
                "tier": "top",
                "status": "absent",
                "reason": "No snapshot exists of docs.x.ai/x-subscription/pricing(.md); the docs.x.ai/llms.txt index snapshot of 2026-09-18 has no X Subscription section, so the plan appears not to have existed on 2026-09-20. The then-current consumer plan page (x.ai/grok, snapshot 2026-09-17) names SuperGrok but shows no price. The previous top plan, SuperGrok Heavy, is mentioned in today's Grok FAQ but its price was not found on any fetchable official page."
            },
            {
                "id": "perplexity-pro",
                "provider": "Perplexity",
                "product": "Perplexity",
                "model": "Perplexity Pro",
                "modelId": "perplexity-pro",
                "tier": "standard",
                "status": "verified",
                "monthly": "20.00",
                "basketNote": "Same URL; only Wayback snapshot in the window is 2026-09-02 (closest at or before 2026-09-20).",
                "source": {
                    "url": "https://www.perplexity.ai/help-center/en/articles/12167980-using-the-connector-for-slack",
                    "page": "https://www.perplexity.ai/help-center/en/articles/12167980-using-the-connector-for-slack",
                    "fetchedAt": null,
                    "snapshotUrl": "https://web.archive.org/web/20260902092855/https://www.perplexity.ai/help-center/en/articles/12167980-using-the-connector-for-slack",
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                    "sha256": "f91c40318dc24d4402764635d922df27d13026e8a8ce3d9e7950bb0e86433199",
                    "excerpt": "Perplexity Pro : $20/month or $200/year"
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            },
            {
                "id": "perplexity-max",
                "provider": "Perplexity",
                "product": "Perplexity",
                "model": "Perplexity Max",
                "modelId": "perplexity-max",
                "tier": "top",
                "status": "verified",
                "monthly": "200.00",
                "basketNote": "Same URL; closest Wayback snapshot at or before 2026-09-20 is 2026-08-26.",
                "source": {
                    "url": "https://www.perplexity.ai/help-center/en/articles/11680686-perplexity-max",
                    "page": "https://www.perplexity.ai/help-center/en/articles/11680686-perplexity-max",
                    "fetchedAt": null,
                    "snapshotUrl": "https://web.archive.org/web/20260826140852/https://www.perplexity.ai/help-center/en/articles/11680686-perplexity-max",
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                    "sha256": "c86fa92971a3bdcf0614d3b79994a10ce49a12f6e58a7cb1e804b645a282d400",
                    "excerpt": "Perplexity Max costs $200/monthly or $2000/annually."
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            },
            {
                "id": "mistral-pro",
                "provider": "Mistral AI",
                "product": "Vibe (formerly Le Chat)",
                "model": "Mistral Pro",
                "modelId": "mistral-pro",
                "tier": "standard",
                "status": "verified",
                "monthly": "14.99",
                "basketNote": "URL with trailing slash (the live URL redirects there); closest snapshot 2026-09-14; data-currency=\"usd\" in that snapshot too.",
                "source": {
                    "url": "https://mistral.ai/pricing/",
                    "page": "https://mistral.ai/pricing/",
                    "fetchedAt": null,
                    "snapshotUrl": "https://web.archive.org/web/20260914111243/https://mistral.ai/pricing/",
                    "snapshotAt": "2026-09-14T11:12:43+00:00",
                    "sha256": "7088e1e1c2af8b88562260cdba29813ce88a5daebb694dc67e50209659e4a7a9",
                    "excerpt": "Pro Education plan Full access to Vibe for all-day coding and long-running tasks. $14.99 /mo Excluding taxes"
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        ]
    },
    "editions": [
        {
            "edition": "2024-01",
            "label": "January 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-01.json"
        },
        {
            "edition": "2024-02",
            "label": "February 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-02.json"
        },
        {
            "edition": "2024-03",
            "label": "March 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-03.json"
        },
        {
            "edition": "2024-04",
            "label": "April 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-04.json"
        },
        {
            "edition": "2024-05",
            "label": "May 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-05.json"
        },
        {
            "edition": "2024-06",
            "label": "June 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-06.json"
        },
        {
            "edition": "2024-07",
            "label": "July 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-07.json"
        },
        {
            "edition": "2024-08",
            "label": "August 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-08.json"
        },
        {
            "edition": "2024-09",
            "label": "September 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-09.json"
        },
        {
            "edition": "2024-10",
            "label": "October 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-10.json"
        },
        {
            "edition": "2024-11",
            "label": "November 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-11.json"
        },
        {
            "edition": "2024-12",
            "label": "December 2024",
            "url": "https://kingy.ai/ai-price-index/data/2024-12.json"
        },
        {
            "edition": "2025-01",
            "label": "January 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-01.json"
        },
        {
            "edition": "2025-02",
            "label": "February 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-02.json"
        },
        {
            "edition": "2025-03",
            "label": "March 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-03.json"
        },
        {
            "edition": "2025-04",
            "label": "April 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-04.json"
        },
        {
            "edition": "2025-05",
            "label": "May 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-05.json"
        },
        {
            "edition": "2025-06",
            "label": "June 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-06.json"
        },
        {
            "edition": "2025-07",
            "label": "July 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-07.json"
        },
        {
            "edition": "2025-08",
            "label": "August 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-08.json"
        },
        {
            "edition": "2025-09",
            "label": "September 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-09.json"
        },
        {
            "edition": "2025-10",
            "label": "October 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-10.json"
        },
        {
            "edition": "2025-11",
            "label": "November 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-11.json"
        },
        {
            "edition": "2025-12",
            "label": "December 2025",
            "url": "https://kingy.ai/ai-price-index/data/2025-12.json"
        },
        {
            "edition": "2026-01",
            "label": "January 2026",
            "url": "https://kingy.ai/ai-price-index/data/2026-01.json"
        },
        {
            "edition": "2026-02",
            "label": "February 2026",
            "url": "https://kingy.ai/ai-price-index/data/2026-02.json"
        },
        {
            "edition": "2026-03",
            "label": "March 2026",
            "url": "https://kingy.ai/ai-price-index/data/2026-03.json"
        },
        {
            "edition": "2026-04",
            "label": "April 2026",
            "url": "https://kingy.ai/ai-price-index/data/2026-04.json"
        },
        {
            "edition": "2026-05",
            "label": "May 2026",
            "url": "https://kingy.ai/ai-price-index/data/2026-05.json"
        },
        {
            "edition": "2026-06",
            "label": "June 2026",
            "url": "https://kingy.ai/ai-price-index/data/2026-06.json"
        },
        {
            "edition": "2026-07",
            "label": "July 2026",
            "url": "https://kingy.ai/ai-price-index/data/2026-07.json"
        },
        {
            "edition": "2026-08",
            "label": "August 2026",
            "url": "https://kingy.ai/ai-price-index/data/2026-08.json"
        },
        {
            "edition": "2026-09",
            "label": "September 2026",
            "url": "https://kingy.ai/ai-price-index/data/2026-09.json"
        },
        {
            "edition": "2026-10",
            "label": "October 2026",
            "url": "https://kingy.ai/ai-price-index/data/2026-10.json"
        }
    ]
}