OpenAI API Models gpt-5.1-codex

2026-07-23

end of lifeno security fixes since 2026-07-23

OpenAI API Models gpt-5.1-codex reached end of life 3 months ago.

Supported now: OpenAI API Models whisper-1 (until 2027-02-26), OpenAI API Models tts-1 (until 2027-01-06), OpenAI API Models tts-1-hd (until 2027-01-06), OpenAI API Models gpt-4o (until 2027-01-14), OpenAI API Models gpt-4o-mini (until 2027-01-14), OpenAI API Models gpt-4o-mini-transcribe (until 2027-02-26), OpenAI API Models gpt-4o-mini-tts (until 2027-01-06), OpenAI API Models gpt-4o-transcribe (until 2027-02-26), OpenAI API Models chatgpt-image-latest (until 2026-12-01), OpenAI API Models gpt-4.1 (until 2027-01-14), OpenAI API Models gpt-4.1-mini (until 2027-01-14), OpenAI API Models o3 (until 2026-12-11), OpenAI API Models o3-pro (until 2026-12-11), OpenAI API Models gpt-5 (until 2026-12-11), OpenAI API Models gpt-5-mini (until 2026-12-11), OpenAI API Models gpt-5-nano (until 2026-12-11), OpenAI API Models gpt-5-pro (until 2026-12-11), OpenAI API Models gpt-realtime (until 2027-01-20), OpenAI API Models gpt-image-1-mini (until 2026-12-01), OpenAI API Models gpt-realtime-mini (until 2027-01-20), OpenAI API Models gpt-4o-transcribe-diarize (until 2027-02-26), OpenAI API Models gpt-5.1 (until 2027-04-01), OpenAI API Models gpt-image-1.5 (until 2026-12-01), OpenAI API Models gpt-audio (until 2027-01-20), OpenAI API Models gpt-audio-mini (until 2027-01-20), OpenAI API Models gpt-5.3-codex (until 2027-04-01), OpenAI API Models gpt-5.4-nano (until 2027-04-01)