AI Model Profile
GPT-5.5
GPT-5.5 is an OpenAI API model for complex reasoning, coding, and professional work, with text and image input and text output described in official OpenAI model docs.
Before you buy
Buying details reviewed 2026-10-23. Price, included amounts and access are dated observations; check the official source for current terms. This date does not review the whole fact ledger or renew historical demonstrations.
Best for: Candidate for complex coding, reasoning, tool-assisted workflows, and professional analysis where OpenAI API access is acceptable.
Price: USD API: US$5.00 input / US$30.00 output per 1M tokens
Included: GPT-5.5 is an OpenAI API model for complex reasoning, coding, and professional work, with text and image input and text output described in official OpenAI model docs.
Main limits: Not open-weight or local in this profile; production suitability depends on API cost, latency, policy, and workload tests. Standard list rates; cache writes, tools, long-context premiums, regional processing and other service tiers can change the bill.
What Kingy showed: Related coverage: GPT-5.5 Instant Is Here: OpenAI Just Upgraded ChatGPT’s Default Brain. This review does not treat that article as a new test of this exact model, plan or current release.
Check official plans · See the demonstration and disclosure · Compare these workflows
- Family
- GPT-5
- Release date
- Unknown
- Status
- Current
- Context window
- 1M tokens
- Output limit
- 128K tokens
- API
- yes
- Open weights
- no
- Local/self-hosted
- no
- Pricing
- input $5; output $30; cached input $0.5 per million tokens (published list price, observed 2026-06-16)
- Evidence state
- Recheck due
Benchmark Caveat
Provider documentation and provider-published capability notes are directional, not universal rankings. Real results depend on prompts, tools, latency targets, pricing tier, safety filters, context length, and workload mix.
Best for
Candidate for complex coding, reasoning, tool-assisted workflows, and professional analysis where OpenAI API access is acceptable.
Skip if
Skip if your team needs independently benchmarked performance claims or contractual guarantees not present in the official provider documentation.
Strengths
Official OpenAI docs position it for complex reasoning and coding and list tool support through the Responses API.
Weaknesses
Not open-weight or local in this profile; production suitability depends on API cost, latency, policy, and workload tests.
Agent suitability
Candidate for agent workflows because official docs list tool support including functions, web search, file search, and computer use.
Kingy AI take
Use this profile as a source-backed reference point, not a ranking. Re-check official provider docs before making production or budget decisions.
Kingy AI Product Facts
GPT-5.5
Current statusUnknown
- Company
- Not yet reviewed
- Primary job
- Not yet reviewed
- Audience
- Not yet reviewed
- Evidence
- Source-backed; coverage expanding
- Latest source check
- October 23, 2026
See all tracked product factsPricing, platforms, dependencies, data claims, regions, and timeline
Sources and checks
- Coverage
- 1 of 88 tracked fields currently verified
- Sources
- 1
Source-check dates apply to the tracked facts. Editorial updates elsewhere on this page may have a different date.
Plans and pricing units
Not yet structured in this Kingy record.
Where it runs
- Availability
- Not yet reviewed
Stack and integrations
- Model / provider dependencies
- Not yet reviewed
- Integrations
- Not yet reviewed
Data and regions
- Vendor data-use claim
- Not yet reviewed
- Vendor retention claim
- Not yet reviewed
- Regions
- Not yet reviewed
Launch and latest material update
- Launch
- Not yet reviewed
- Latest material update
- Not yet reviewed
Full Model Notes
Who should consider it
Candidate for complex coding, reasoning, tool-assisted workflows, and professional analysis where OpenAI API access is acceptable. GPT-5.5 is an OpenAI API model for complex reasoning, coding, and professional work, with text and image input and text output described in official OpenAI model docs.
Plan, price and billing scope
USD API: US$5.00 input / US$30.00 output per 1M tokens. GPT-5.5 is an OpenAI API model for complex reasoning, coding, and professional work, with text and image input and text output described in official OpenAI model docs. Prices use the currency and billing term stated here. Where a numeric rate, region or current entitlement could not be verified, it remains explicit; no checkout was completed.
Limits that affect the decision
Not open-weight or local in this profile; production suitability depends on API cost, latency, policy, and workload tests. Standard list rates; cache writes, tools, long-context premiums, regional processing and other service tiers can change the bill.
What the existing evidence shows
Related coverage: GPT-5.5 Instant Is Here: OpenAI Just Upgraded ChatGPT’s Default Brain. This review does not treat that article as a new test of this exact model, plan or current release. Product coverage; original publication date and evidence scope retained. Read the related article.
Sources and buying-review date
Buying review completed October 23, 2026. This is a source-based buying assessment. No paid product test, new generation, checkout or performance benchmark was performed. Vendor descriptions and historical examples remain distinct from independently measured results. The date does not renew the broader canonical fact ledger.
- Official source: developers.openai.com
- Official source: developers.openai.com
- Official source: developers.openai.com
- Official source: developers.openai.com
- Official source: chatgpt.com
- Official source: developers.openai.com
- Related Kingy coverage
Check the official offer · Compare related options
Earlier profile, sources and dates
This older record retains its original scope. Current buying qualifications above take precedence where terms have changed.
GPT-5.5 is OpenAI’s flagship API model for complex reasoning, coding, and professional work, with text and image input and text output described in official OpenAI model docs.
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Coding notes
Official docs position GPT-5.5 for complex coding and professional work.
Reasoning notes
Official docs identify it as the flagship starting point for complex reasoning.
Creative notes
Supports text and image input according to OpenAI model docs, but this profile does not claim image generation capability for this model.
Research notes
Useful to evaluate for research workflows that need tool use and source retrieval, subject to independent testing.
API pricing notes
$5 input MTok and $30 output MTok in OpenAI model docs as checked on 2026-06-18.
License notes
Review the official provider terms and model documentation before relying on license or redistribution assumptions.
Official Model Links
Kingy coverage
Kingy AI articles that cover GPT-5.5, newest first.
- NewsGPT-5.5 vs Claude Opus 4.8: The Evidence-Based 2026 Comparison
- NewsOpenAI Daybreak Explained: Inside GPT‑5.5‑Cyber, Codex Security, and the New Frontier of AI Cyber Defense
- NewsOpenAI GPT-5.5: The AI That Works Like a Real Coworker
- NewsThe Party Invite Nobody Saw Coming: Sam Altman Tells Elon Musk to Show Up at the GPT-5.5 Launch
- NewsOpenAI’s GPT-5.5-Cyber: The AI Model That’s Not For You (And Why That’s Actually a Good Thing)
- NewsGPT-5.5 Prompting Guide: Write for Outcomes, Not Ritual
- NewsGPT-5.5 Is Here — And It’s Playing a Whole New Game
- NewsGPT‑5.5 vs. Claude Opus 4.7: A Benchmark-by-Benchmark Field Guide to the New Frontier
More coverage (3)
- NewsClaude Mythos Preview vs. GPT‑5.5: A Benchmark‑by‑Benchmark Showdown Between the Two Most Important Frontier Models of April 2026
- NewsGPT-5.5 Benchmarks Revealed: The 9 Numbers That Prove ChatGPT 5.5 Just Changed the AI Race
- NewsIntroducing GPT-5.5: OpenAI’s New Class of Intelligence for Real Work and Agentic AI
Model Intelligence Research Map
Use these internal paths to move from this model profile into provider pages, static comparison pages, related Kingy records, and the broader AI launch graph. These are research paths, not rankings.