OpenAI retires gpt-5 and o3 on 11 December 2026: what to change and how to test it
On 11 December 2026, OpenAI removes gpt-5, gpt-5-mini, gpt-5-nano, gpt-5-pro, o3 and o3-pro from the API, together with their dated snapshots. From that day, API calls to these models fail. OpenAI recommends gpt-5.6-sol, gpt-5.6-terra and gpt-5.6-luna as replacements. Changing the model name takes…
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- 2026-11-12 07:37 · DEV Community — AI
OpenAI retires gpt-5 and o3 on 11 December 2026: what to change and how to test it