OpenAI · model
o3-2025-04-16 deprecation: shutdown date & replacement
Shuts down December 11, 2026 — in 76 days
- Provider
- OpenAI
- Type
- model
- Announced
- Shutdown
- Replacement
gpt-5.6-sol- Source
- Official OpenAI notice
How to migrate off o3-2025-04-16
- Find every place that references it:
grep -rn --exclude-dir={node_modules,.git,dist} "o3-2025-04-16" . - Replace the model ID:
- model: "o3-2025-04-16" + model: "gpt-5.6-sol" - Re-run your evals or a sample of real prompts — output style, token usage and pricing can change between models.
- Check config outside code too: environment variables, feature flags, prompt-management tools, and fine-tuned model references.
- Deploy before December 11, 2026, and add the CI scanner so it cannot come back.
Also shutting down on December 11, 2026 (OpenAI)
Questions
Is o3-2025-04-16 deprecated?
Yes. OpenAI has deprecated o3-2025-04-16. It shuts down on December 11, 2026.
When does o3-2025-04-16 shut down?
December 11, 2026, according to OpenAI's official deprecation notice.
What should I use instead of o3-2025-04-16?
OpenAI recommends gpt-5.6-sol. Switch the model ID and re-test your prompts, since outputs, pricing and limits can differ.
What happens to requests to o3-2025-04-16 after the shutdown?
Requests using the retired model ID fail with an error, so any code still calling it breaks. Update and deploy before the shutdown date.