GPT Codex

OpenAI · coding line

2 releases since 2025Latest: GPT-5.3 Codex

Where the line stands

How long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.

OpenAI · GPT Codex line · coding

Quiet216 days without a release — longer than any past gap

Days since last release

GPT-5.3 Codex · Feb 5, 2026

216

days

Usual gap

days

Recent gaps

GPT-5.3 Codex · Feb 2026

Newest first — what each version changed versus the one before, in OpenAI's own numbers.

Feb

Dec

One email a week: what AI models shipped, the actual differences vs the previous version, and what's coming next. No filler.