codex-mini-latest is removed, and the legacy local shell tool with it

Announced: 17 Nov 2025
Effective: passed 12 Feb 2026
Source: the vendor’s own page · last checked 23 Sept 2026

What breaks

Requests naming this model return an error, and calls through the legacy local shell tool stop being accepted with it.

What to do

Move to gpt-5-codex-mini and to the current shell tool.

Advice confirmed 23 Sept 2026

What the vendor said

On 17 November 2025 OpenAI notified developers using codex-mini-latest of its deprecation and removal from the API. The legacy local shell tool, only available with this model, goes with it.