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GPT-5-Codex

OpenAIdevelopers.openai.com/api/docs/models/gpt-5-code

A version of GPT-5 optimized for agentic coding in Codex

quality72

Updated 51 min ago · first seen 11 Sept 2026

model_01M293VC54RY5201542SHZ9HET

As of

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Claim history · Official page

1 claims · 1 propertiesShow all properties

Official pageofficial_url1

Claim history for Official page
ValueValid from → toStatusSourceConfidenceExtractor
https://developers.openai.com/api/docs/models/gpt-5-codexcurrentcurrentOpenAI Platform docsT1highdeterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →