GPT-5.3-Codex

2 claims across 1 year, newest first. Superseded claims stay on the line. Current state →

/timelines/gpt-5-3-codex.md /v1/timelines/gpt-5-3-codex

2026

10-01validdeprecated · gpt-5.3-codexclm_3C9D776B3539

1 post and Hugging Face repo

02-24validmodel release · gpt-5.3-codexclm_55F8E9407504