OpenAIurgentmoderate2 days left

gpt-3.5-turbo-instruct

Instruct / completions-style traffic should move to chat or responses.

DeprecatedScheduled

Shutdown2026-09-28

Statusurgent

Replacementgpt-5.4-mini

Action requiredProduction calls using gpt-3.5-turbo-instruct will fail after 2026-09-28. Update model strings and re-run integration tests before the cutoff.

Quick fix — copy & paste

Breaks on 2026-09-28

model = "gpt-3.5-turbo-instruct"

Use this instead

model = "gpt-5.4-mini"

Weigh prompts on the new model Compare pricing All deprecations