AI Model Profile
GPT-5.5
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.
Verification & Sources
- Status
- Verified
- Source links
- 3
- Freshness
- Needs recheck: verified June 18, 2026
- Last updated
- June 29, 2026
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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.
Full Model Notes
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.
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
Model Intelligence Research Map
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