Model Retirements

Models get retired when the upstream provider shuts them down or replaces them. Everything scheduled and everything already gone is listed here, with the date calls stop working and what to move to.

11 scheduled for retirement1 already retiredBrowse all 750 models
Active

Fully supported. No retirement date announced.

Deprecating

Still callable, but a retirement date is set. Migrate before that date.

Retired

No longer callable. Requests return 404 model_retired.

Upcoming retirements

Still callable — migrate before the retirement date

Upcoming retirements
ModelAuthorStatusAnnouncedRetirement dateReplacement
GPT 5OpenAIDeprecating2026-08-312026-09-19GPT 5.6 Sol
GPT 3.5 Turbo 1106OpenAIDeprecating2026-09-022026-09-28GPT 5.6 Terra
GPT 3.5 Turbo InstructOpenAIDeprecating2026-09-022026-09-28GPT 5.6 Terra
GPT-5-CodexOpenAIDeprecating2026-08-312026-09-30GPT-5.1-Codex Max
GPT 3.5 TurboOpenAIDeprecating2026-09-022026-10-23GPT 5.6 Terra
GPT 3.5 Turbo 0125OpenAIDeprecating2026-09-022026-10-23GPT 5.6 Terra
GPT 4OpenAIDeprecating2026-09-022026-10-23GPT 5.6 Sol
GPT 4 0613OpenAIDeprecating2026-09-022026-10-23GPT 5.6 Sol
GPT 4 1106 PreviewOpenAIDeprecating2026-09-022026-10-23GPT 5.6 Sol
GPT 4 TurboOpenAIDeprecating2026-09-022026-10-23GPT 5.6 Sol
GPT 4 Turbo 2024 04-09OpenAIDeprecating2026-09-022026-10-23GPT 5.6 Sol

Retired

Detail pages stay online — requests return an error

Retired models
ModelAuthorStatusAnnouncedRetirement dateReplacement
GPT 5.2OpenAIRetired—2026-08-31—

— means the replacement is not published in our catalog.

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