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OpenAI · First-party API · LLM

gpt-5

Capability changeCapability change announced Apr 7, 2026

Capability change announced Apr 7, 2026 for gpt-5 on OpenAI. Source: learn.chatgpt.com · Last checked Oct 23, 2026

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Notice

Capability change

Capability change announced Apr 7, 2026

OpenAI documents a capability change: “Codex model availability update We’re updating model availability for users who sign in with ChatGPT.”

Hosting route
First-party API
Affected scope
users who sign in with ChatGPT
Announced
Apr 7, 2026
First seen by ModelClock
Oct 10, 2026

What the provider published

learn.chatgpt.com ↗

Codex model availability update

We’re updating model availability for users who sign in with ChatGPT. Starting April 7, the model picker no longer shows gpt-5.2-codex, gpt-5.1-codex-mini, gpt-5.1-codex-max, gpt-5.1-codex, gpt-5.1, or gpt-5. On April 14, we’ll remove those models from Codex for ChatGPT sign-in.

Users can still choose from gpt-5.4, gpt-5.4-mini, gpt-5.3-codex, and gpt-5.2. ChatGPT Pro users can also choose gpt-5.3-codex-spark.

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