OpenAIurgenttrivial27 days left

gpt-4.1-nano

Nano tier rename into GPT-5 nano.

DeprecatedScheduled

Shutdown2026-10-23

Statusurgent

Replacementgpt-5-nano

Action requiredProduction calls using gpt-4.1-nano will fail after 2026-10-23. Update model strings and re-run integration tests before the cutoff.

Quick fix — copy & paste

Breaks on 2026-10-23

model = "gpt-4.1-nano"

Use this instead

model = "gpt-5-nano"

Weigh prompts on the new model Compare pricing All deprecations