{
    "name": "Kingy AI Price Index",
    "licence": "CC BY 4.0",
    "citation": "Kingy AI Price Index, August 2025 edition. Kingy AI. https://kingy.ai/ai-price-index/2025-08/",
    "url": "https://kingy.ai/ai-price-index/2025-08/",
    "method": {
        "version": "1.0",
        "url": "https://kingy.ai/ai-price-index/#method"
    },
    "edition": {
        "edition": "2025-08",
        "label": "August 2025",
        "reconstructed": true,
        "referenceDate": "2025-08-01",
        "capturedAt": "2025-08-01T00:00:00+00:00",
        "method": "1.0",
        "previous": "2025-07",
        "previousReferenceDate": "2025-07-01",
        "intervalDays": 31,
        "headline": "In August 2025, a million AI tokens cost a median $3.47 from frontier models (no change), $0.85 from mid-range models (up 3.0%) and $0.26 from small models (no change). Changes compare with July.",
        "story": {
            "title": "Mid-range model prices rose 3% in August",
            "text": "The median mid-range model cost $0.85 per million tokens, up from $0.82 in July. Mistral AI is not counted this month.",
            "tier": "mid"
        },
        "changes": {
            "likeForLike": [],
            "unchanged": 13,
            "basket": [
                {
                    "provider": "Mistral AI",
                    "tier": "frontier",
                    "from": {
                        "model": "Mistral Large 24.11",
                        "value": "3.0000"
                    },
                    "to": {
                        "model": "Mistral Medium 3",
                        "value": "0.8000"
                    }
                },
                {
                    "provider": "Mistral AI",
                    "tier": "mid",
                    "from": {
                        "model": "Mistral Medium 3",
                        "value": "0.8000"
                    },
                    "to": null
                },
                {
                    "provider": "Mistral AI",
                    "tier": "small",
                    "from": {
                        "model": "Mistral Small 3.1",
                        "value": "0.1500"
                    },
                    "to": {
                        "model": "Mistral Small 3.2",
                        "value": "0.1500"
                    }
                },
                {
                    "provider": "xAI",
                    "tier": "frontier",
                    "from": {
                        "model": "Grok 3",
                        "value": "6.0000"
                    },
                    "to": {
                        "model": "Grok 4",
                        "value": "6.0000"
                    }
                }
            ]
        },
        "scheduled": [],
        "outlook": [],
        "withheld": [],
        "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": "3.4688",
                "previousValue": "3.4688",
                "changePct": -0,
                "n": 6,
                "min": "0.8000",
                "max": "30.0000",
                "constituents": [
                    "mistral-medium-3",
                    "deepseek-reasoner",
                    "google-gemini-2-5-pro",
                    "openai-gpt-4-1",
                    "xai-grok-4",
                    "anthropic-claude-opus-4"
                ],
                "published": true,
                "indexLevel": "77.08"
            },
            {
                "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": "0.8500",
                "previousValue": "0.8250",
                "changePct": 3,
                "n": 3,
                "min": "0.7000",
                "max": "6.0000",
                "constituents": [
                    "openai-gpt-4-1-mini",
                    "google-gemini-2-5-flash",
                    "anthropic-claude-sonnet-4"
                ],
                "published": true,
                "indexLevel": "21.25"
            },
            {
                "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": "0.2625",
                "previousValue": "0.2625",
                "changePct": 0,
                "n": 6,
                "min": "0.1500",
                "max": "1.6000",
                "constituents": [
                    "mistral-small-3-2",
                    "openai-gpt-4-1-nano",
                    "google-gemini-2-5-flash-lite",
                    "xai-grok-3-mini",
                    "deepseek-chat",
                    "anthropic-claude-3-5-haiku"
                ],
                "published": true,
                "indexLevel": "50.00"
            },
            {
                "id": "standard",
                "label": "Standard plan",
                "kind": "subscription",
                "summary": "Each provider's main paid individual plan",
                "unit": "USD per month",
                "value": null,
                "previousValue": null,
                "changePct": null,
                "n": 0,
                "min": null,
                "max": null,
                "constituents": [],
                "published": false,
                "indexLevel": null
            },
            {
                "id": "top",
                "label": "Top plan",
                "kind": "subscription",
                "summary": "Each provider's highest-priced individual plan",
                "unit": "USD per month",
                "value": null,
                "previousValue": null,
                "changePct": null,
                "n": 0,
                "min": null,
                "max": null,
                "constituents": [],
                "published": false,
                "indexLevel": null
            }
        ],
        "observations": [
            {
                "id": "openai-gpt-4-1",
                "provider": "OpenAI",
                "model": "GPT-4.1",
                "modelId": "gpt-4.1",
                "tier": "frontier",
                "status": "verified",
                "input": "2.00",
                "output": "8.00",
                "blended": "3.5000",
                "source": {
                    "url": "https://openai.com/api/pricing",
                    "page": "https://openai.com/api/pricing",
                    "fetchedAt": "2026-10-19T21:52:44+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250729225743/https://openai.com/api/pricing/",
                    "snapshotAt": "2025-07-29T22:57:43+00:00",
                    "sha256": "cf07b6b408edb1d316efd8280e161d0deffffd5810d41903b44772f34cda416e",
                    "excerpt": "GPT-4.1 Smartest model for complex tasks Price Input: $2.00 / 1M tokens Cached input: $0.50 / 1M tokens Output: $8.00"
                },
                "positioning": {
                    "url": "https://openai.com/api/pricing",
                    "snapshotUrl": "https://web.archive.org/web/20250729225743/https://openai.com/api/pricing/",
                    "quote": "GPT-4.1 Smartest model for complex tasks",
                    "rule": "OpenAI presented its o-series separately as reasoning models; the frontier slot takes the model it presented as its flagship general-purpose GPT model."
                }
            },
            {
                "id": "openai-gpt-4-1-mini",
                "provider": "OpenAI",
                "model": "GPT-4.1 mini",
                "modelId": "gpt-4.1-mini",
                "tier": "mid",
                "status": "verified",
                "input": "0.40",
                "output": "1.60",
                "blended": "0.7000",
                "source": {
                    "url": "https://openai.com/api/pricing",
                    "page": "https://openai.com/api/pricing",
                    "fetchedAt": "2026-10-19T21:52:44+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250729225743/https://openai.com/api/pricing/",
                    "snapshotAt": "2025-07-29T22:57:43+00:00",
                    "sha256": "cf07b6b408edb1d316efd8280e161d0deffffd5810d41903b44772f34cda416e",
                    "excerpt": "GPT-4.1 mini Affordable model balancing speed and intelligence Price Input: $0.40 / 1M tokens Cached input: $0.10 / 1M tokens Output: $1.60"
                },
                "positioning": {
                    "url": "https://openai.com/api/pricing",
                    "snapshotUrl": "https://web.archive.org/web/20250729225743/https://openai.com/api/pricing/",
                    "quote": "GPT-4.1 mini Affordable model balancing speed and intelligence",
                    "rule": null
                }
            },
            {
                "id": "openai-gpt-4-1-nano",
                "provider": "OpenAI",
                "model": "GPT-4.1 nano",
                "modelId": "gpt-4.1-nano",
                "tier": "small",
                "status": "verified",
                "input": "0.100",
                "output": "0.400",
                "blended": "0.1750",
                "source": {
                    "url": "https://openai.com/api/pricing",
                    "page": "https://openai.com/api/pricing",
                    "fetchedAt": "2026-10-19T21:52:44+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250729225743/https://openai.com/api/pricing/",
                    "snapshotAt": "2025-07-29T22:57:43+00:00",
                    "sha256": "cf07b6b408edb1d316efd8280e161d0deffffd5810d41903b44772f34cda416e",
                    "excerpt": "GPT-4.1 nano Fastest, most cost-effective model for low-latency tasks Pricing Input: $0.100 / 1M tokens Cached input: $0.025 / 1M tokens Output: $0.400"
                },
                "positioning": {
                    "url": "https://openai.com/api/pricing",
                    "snapshotUrl": "https://web.archive.org/web/20250729225743/https://openai.com/api/pricing/",
                    "quote": "GPT-4.1 nano Fastest, most cost-effective model for low-latency tasks",
                    "rule": null
                }
            },
            {
                "id": "anthropic-claude-opus-4",
                "provider": "Anthropic",
                "model": "Claude Opus 4",
                "modelId": "claude-opus-4-20250514",
                "tier": "frontier",
                "status": "verified",
                "input": "15",
                "output": "75",
                "cachedInput": "1.50",
                "blended": "30.0000",
                "source": {
                    "url": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "page": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "fetchedAt": "2026-10-19T22:02:20+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250730011338/https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "snapshotAt": "2025-07-30T01:13:38+00:00",
                    "sha256": "70b222c5269f87383d35c624803284c0e216ba08a9e0869c2bb1cb09c71eb117",
                    "excerpt": "Claude Opus 4 $15 / MTok $18.75 / MTok $30 / MTok $1.50 / MTok $75 / MTok"
                },
                "positioning": {
                    "url": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "snapshotUrl": "https://web.archive.org/web/20250730011338/https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "quote": "Feature Claude Opus 4 Claude Sonnet 4 Claude Sonnet 3.7 Claude Sonnet 3.5 Claude Haiku 3.5 Claude Haiku 3 Description Our most capable model",
                    "rule": null
                }
            },
            {
                "id": "anthropic-claude-sonnet-4",
                "provider": "Anthropic",
                "model": "Claude Sonnet 4",
                "modelId": "claude-sonnet-4-20250514",
                "tier": "mid",
                "status": "verified",
                "input": "3",
                "output": "15",
                "cachedInput": "0.30",
                "blended": "6.0000",
                "source": {
                    "url": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "page": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "fetchedAt": "2026-10-19T22:02:20+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250730011338/https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "snapshotAt": "2025-07-30T01:13:38+00:00",
                    "sha256": "70b222c5269f87383d35c624803284c0e216ba08a9e0869c2bb1cb09c71eb117",
                    "excerpt": "Claude Sonnet 4 $3 / MTok $3.75 / MTok $6 / MTok $0.30 / MTok $15 / MTok"
                },
                "positioning": {
                    "url": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "snapshotUrl": "https://web.archive.org/web/20250730011338/https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "quote": "Feature Claude Opus 4 Claude Sonnet 4 Claude Sonnet 3.7 Claude Sonnet 3.5 Claude Haiku 3.5 Claude Haiku 3 Description Our most capable model High-performance model",
                    "rule": "Anthropic's comparison table calls Sonnet 4 a \"High-performance model\" with \"High intelligence and balanced performance\"; the Sonnet line is its mid-range line between Opus and Haiku."
                }
            },
            {
                "id": "anthropic-claude-3-5-haiku",
                "provider": "Anthropic",
                "model": "Claude Haiku 3.5",
                "modelId": "claude-3-5-haiku-20241022",
                "tier": "small",
                "status": "verified",
                "input": "0.80",
                "output": "4",
                "cachedInput": "0.08",
                "blended": "1.6000",
                "source": {
                    "url": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "page": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "fetchedAt": "2026-10-19T22:02:20+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250730011338/https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "snapshotAt": "2025-07-30T01:13:38+00:00",
                    "sha256": "70b222c5269f87383d35c624803284c0e216ba08a9e0869c2bb1cb09c71eb117",
                    "excerpt": "Claude Haiku 3.5 $0.80 / MTok $1 / MTok $1.6 / MTok $0.08 / MTok $4 / MTok"
                },
                "positioning": {
                    "url": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "snapshotUrl": "https://web.archive.org/web/20250730011338/https://docs.anthropic.com/en/docs/about-claude/models/overview",
                    "quote": "Feature Claude Opus 4 Claude Sonnet 4 Claude Sonnet 3.7 Claude Sonnet 3.5 Claude Haiku 3.5 Claude Haiku 3 Description Our most capable model High-performance model High-performance model with early extended thinking Our previous intelligent model Our fastest model",
                    "rule": "Claude 4 has no Haiku model; Haiku 3.5, which Anthropic calls \"Our fastest model\", remains its small model."
                }
            },
            {
                "id": "deepseek-chat",
                "provider": "DeepSeek",
                "model": "DeepSeek V3-0324",
                "modelId": "deepseek-chat",
                "tier": "small",
                "status": "verified",
                "input": "0.27",
                "output": "1.10",
                "cachedInput": "0.07",
                "blended": "0.4775",
                "conditions": "Standard (peak) rate; DeepSeek charged a discount price from 16:30 to 00:30 UTC.",
                "source": {
                    "url": "https://api-docs.deepseek.com/quick_start/pricing",
                    "page": "https://api-docs.deepseek.com/quick_start/pricing",
                    "fetchedAt": "2026-10-19T22:11:14+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250720021544/https://api-docs.deepseek.com/quick_start/pricing",
                    "snapshotAt": "2025-07-20T02:15:44+00:00",
                    "sha256": "dd589887cde3b86a28f4f83bb79d52b8b63ec7da2794f945d74e24d792c3787c",
                    "excerpt": "deepseek-chat deepseek-reasoner CONTEXT LENGTH 64K 64K (2) MAX OUTPUT (3) DEFAULT: 4K MAXIMUM: 8K DEFAULT: 32K MAXIMUM: 64K FEATURES Json Output ✓ ✓ Function Calling ✓ ✓ Chat Prefix Completion（Beta） ✓ ✓ FIM Completion（Beta） ✓ ✗ STANDARD PRICE （UTC 00:30-16:30） 1M TOKENS INPUT (CACHE HIT) (4) $0.07 $0.14 1M TOKENS INPUT (CACHE MISS) $0.27 $0.55 1M TOKENS OUTPUT (5) $1.10"
                },
                "positioning": {
                    "url": "https://api-docs.deepseek.com/quick_start/pricing",
                    "snapshotUrl": "https://web.archive.org/web/20250720021544/https://api-docs.deepseek.com/quick_start/pricing",
                    "quote": "The deepseek-chat model points to DeepSeek-V3-0324 . The deepseek-reasoner model points to DeepSeek-R1-0528 .",
                    "rule": "DeepSeek sold exactly two general-purpose models; under the method the higher-priced is its frontier model and the lower-priced its small model."
                }
            },
            {
                "id": "deepseek-reasoner",
                "provider": "DeepSeek",
                "model": "DeepSeek R1-0528",
                "modelId": "deepseek-reasoner",
                "tier": "frontier",
                "status": "verified",
                "input": "0.55",
                "output": "2.19",
                "cachedInput": "0.14",
                "blended": "0.9600",
                "conditions": "Standard (peak) rate; DeepSeek charged a discount price from 16:30 to 00:30 UTC.",
                "source": {
                    "url": "https://api-docs.deepseek.com/quick_start/pricing",
                    "page": "https://api-docs.deepseek.com/quick_start/pricing",
                    "fetchedAt": "2026-10-19T22:11:14+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250720021544/https://api-docs.deepseek.com/quick_start/pricing",
                    "snapshotAt": "2025-07-20T02:15:44+00:00",
                    "sha256": "dd589887cde3b86a28f4f83bb79d52b8b63ec7da2794f945d74e24d792c3787c",
                    "excerpt": "deepseek-chat deepseek-reasoner CONTEXT LENGTH 64K 64K (2) MAX OUTPUT (3) DEFAULT: 4K MAXIMUM: 8K DEFAULT: 32K MAXIMUM: 64K FEATURES Json Output ✓ ✓ Function Calling ✓ ✓ Chat Prefix Completion（Beta） ✓ ✓ FIM Completion（Beta） ✓ ✗ STANDARD PRICE （UTC 00:30-16:30） 1M TOKENS INPUT (CACHE HIT) (4) $0.07 $0.14 1M TOKENS INPUT (CACHE MISS) $0.27 $0.55 1M TOKENS OUTPUT (5) $1.10 $2.19"
                },
                "positioning": {
                    "url": "https://api-docs.deepseek.com/quick_start/pricing",
                    "snapshotUrl": "https://web.archive.org/web/20250720021544/https://api-docs.deepseek.com/quick_start/pricing",
                    "quote": "The deepseek-chat model points to DeepSeek-V3-0324 . The deepseek-reasoner model points to DeepSeek-R1-0528 .",
                    "rule": "DeepSeek sold exactly two general-purpose models; under the method the higher-priced is its frontier model and the lower-priced its small model."
                }
            },
            {
                "id": "google-gemini-2-5-pro",
                "provider": "Google",
                "model": "Gemini 2.5 Pro",
                "modelId": "gemini-2.5-pro",
                "tier": "frontier",
                "status": "verified",
                "input": "1.25",
                "output": "10.00",
                "blended": "3.4375",
                "conditions": "Prompts up to the shortest context band (128K or 200K tokens).",
                "source": {
                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
                    "page": "https://ai.google.dev/gemini-api/docs/pricing",
                    "fetchedAt": "2026-10-19T22:10:57+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250731111644/https://ai.google.dev/gemini-api/docs/pricing",
                    "snapshotAt": "2025-07-31T11:16:44+00:00",
                    "sha256": "99826b3d248c657ace62812d22e13e12ce483b19af6bd0ccf6a0ab1f83230c27",
                    "excerpt": "Gemini 2.5 Pro Try it in Google AI Studio Our state-of-the-art multipurpose model, which excels at coding and complex reasoning tasks. Free Tier Paid Tier, per 1M tokens in USD Input price Free of charge $1.25, prompts <= 200k tokens $2.50, prompts > 200k tokens Output price (including thinking tokens) Free of charge $10.00"
                },
                "positioning": {
                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
                    "snapshotUrl": "https://web.archive.org/web/20250731111644/https://ai.google.dev/gemini-api/docs/pricing",
                    "quote": "Gemini 2.5 Pro Try it in Google AI Studio Our state-of-the-art multipurpose model, which excels at coding and complex reasoning tasks",
                    "rule": "Google made no flagship claim for one model on this date, so the newest model in its highest-priced line (Pro) takes the frontier slot. Paid previews count."
                }
            },
            {
                "id": "google-gemini-2-5-flash",
                "provider": "Google",
                "model": "Gemini 2.5 Flash",
                "modelId": "gemini-2.5-flash",
                "tier": "mid",
                "status": "verified",
                "input": "0.30",
                "output": "2.50",
                "blended": "0.8500",
                "conditions": "Prompts up to the shortest context band (128K or 200K tokens).",
                "source": {
                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
                    "page": "https://ai.google.dev/gemini-api/docs/pricing",
                    "fetchedAt": "2026-10-19T22:10:57+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250731111644/https://ai.google.dev/gemini-api/docs/pricing",
                    "snapshotAt": "2025-07-31T11:16:44+00:00",
                    "sha256": "99826b3d248c657ace62812d22e13e12ce483b19af6bd0ccf6a0ab1f83230c27",
                    "excerpt": "Gemini 2.5 Flash Try it in Google AI Studio Our first hybrid reasoning model which supports a 1M token context window and has thinking budgets. Free Tier Paid Tier, per 1M tokens in USD Input price Free of charge $0.30 (text / image / video) $1.00 (audio) Output price (including thinking tokens) Free of charge $2.50"
                },
                "positioning": {
                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
                    "snapshotUrl": "https://web.archive.org/web/20250731111644/https://ai.google.dev/gemini-api/docs/pricing",
                    "quote": "Gemini 2.5 Flash Try it in Google AI Studio Our first hybrid reasoning model which supports a 1M token context window and has thinking budgets",
                    "rule": "Flash is Google's line between Pro and Flash-Lite; its newest generally available or paid-preview model takes the mid-range slot."
                }
            },
            {
                "id": "google-gemini-2-5-flash-lite",
                "provider": "Google",
                "model": "Gemini 2.5 Flash-Lite",
                "modelId": "gemini-2.5-flash-lite",
                "tier": "small",
                "status": "verified",
                "input": "0.10",
                "output": "0.40",
                "blended": "0.1750",
                "conditions": "Prompts up to the shortest context band (128K or 200K tokens).",
                "source": {
                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
                    "page": "https://ai.google.dev/gemini-api/docs/pricing",
                    "fetchedAt": "2026-10-19T22:10:57+00:00",
                    "snapshotUrl": "https://web.archive.org/web/20250731111644/https://ai.google.dev/gemini-api/docs/pricing",
                    "snapshotAt": "2025-07-31T11:16:44+00:00",
                    "sha256": "99826b3d248c657ace62812d22e13e12ce483b19af6bd0ccf6a0ab1f83230c27",
                    "excerpt": "Gemini 2.5 Flash-Lite Try it in Google AI Studio Our smallest and most cost effective model, built for at scale usage. Free Tier Paid Tier, per 1M tokens in USD Input price (text, image, video) Free of charge $0.10 (text / image / video) $0.30 (audio) Output price (including thinking tokens) Free of charge $0.40"
                },
                "positioning": {
                    "url": "https://ai.google.dev/gemini-api/docs/pricing",
                    "snapshotUrl": "https://web.archive.org/web/20250731111644/https://ai.google.dev/gemini-api/docs/pricing",
                    "quote": "Gemini 2.5 Flash-Lite Try it in Google AI Studio Our smallest and most cost effective model, built for at scale usage",
                    "rule": null
                }
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