deprecated · OpenAI
o1-pro
OpenAI lists this model ID as deprecated with a shutdown date of 2026-10-23.
- Shutdown date
- 2026-10-23
- Status
- deprecated
- Official replacement
gpt-5.6-sol- Replacement confidence
- medium
- Provider
- OpenAI
- Official pages checked
- 2026-08-14
Primary evidence
Provider-owned documentation
OpenAI official deprecation page ↗
Official replacement also requires reasoning.mode: pro; report only until parameter migration is supported.
Migration caution
An official replacement can change output quality, price, latency, rate limits, token limits, and supported parameters. This replacement is not eligible for the default deterministic repair path.
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Provider documentation remains the source of truth. Static analysis cannot resolve remote configuration or arbitrary runtime expressions; those remain explicitly unconfirmed.