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GPT Codex

OpenAI · coding line

8 releases since 2025Latest: GPT-5.3-Codex-SparkDiscontinued Mar 5, 2026

The newest GPT Codex model is GPT-5.3-Codex-Spark, released on February 12, 2026. OpenAI officially discontinued the line on March 5, 2026.

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.

GPT Codex

OpenAI · coding line

Latest: GPT-5.3-Codex-Spark · Feb 12, 2026

DiscontinuedOfficially discontinued on Mar 5, 2026
Days since last release
254
days
Usual gap
49
days
Recent gaps
GPT-5.3-Codex-Spark · Feb 2026
7
GPT-5.3 Codex · Feb 2026
49
GPT-5.2 Codex · Dec 2025
29
GPT-5.1-Codex-Max · Nov 2025
65

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Every GPT Codex release

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

Feb
12
2026
GPT-5.3-Codex-SparkOpenAI · GPT CodexDiscontinued
Feb
5
2026
GPT-5.3 CodexOpenAI · GPT CodexDiscontinued
Dec
18
2025
GPT-5.2 CodexOpenAI · GPT CodexDiscontinued
Nov
19
2025
GPT-5.1-Codex-MaxOpenAI · GPT CodexDiscontinued
Nov
13
2025
GPT-5.1-CodexOpenAI · GPT CodexDiscontinued
Nov
7
2025
GPT-5-Codex-MiniOpenAI · GPT CodexDiscontinued
Sep
15
2025
GPT-5-CodexOpenAI · GPT CodexDiscontinued
May
16
2025
codex-1OpenAI · GPT CodexDiscontinued