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OpenAI: GPT-5.1-Codex-Max
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
Best for
Image UnderstandingVisual Q&AOCRMultimodal Tasks
Context Window
400K tokens ≈ 889 pages of text
Input Cost
$1.25/1M
Output Cost
$10.00/1M
Latency p50
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Pricing Details
Standard Pricing
Input (per 1M tokens)
$1.25
Output (per 1M tokens)
$10.00
Hallucination Score™ (est.)
Community reliability estimate · not official
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Not yet rated
About this score: Community-estimated based on user reports and publicly available benchmark data (e.g. TruthfulQA). This is not an official score from the model provider. Scores may be inaccurate — always verify with the official leaderboard before making production decisions.
Price History
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Provider
openai
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