Breaking model
OpenAI shut down codex-mini-latest on February 12, 2026, and the legacy local shell tool went with it. The replacement is gpt-5-codex-mini.
What changes
Announced November 17, 2025. OpenAI removed codex-mini-latest from the API on February 12, 2026 and recommends gpt-5-codex-mini. The legacy local shell tool only worked with codex-mini-latest and is no longer supported. OpenAI points new use cases to its latest shell tool.
Breaking: Calls fail after this date.
What to do
Switch to gpt-5-codex-mini. If you used the legacy local shell tool with codex-mini-latest, move to OpenAI's current shell tool, because the legacy one is no longer supported.
Strings to search for
codex-mini-latest