Is o3-pro deprecated or retired?

Yes. o3-pro is Deprecated per OpenAI's own deprecation notice and shuts down on 2026-12-11. ModelPriceWatch last re-verified this status on 2026-10-18.

When does o3-pro shut down?

OpenAI has announced o3-pro shuts down on 2026-12-11. It remains purchasable until then, but new work should target a current model.

Is o3-pro deprecated?

OpenAI · lifecycle status verified Oct 18, 2026 against the provider's own page.

Yes — o3-pro is deprecated and shuts down Dec 11, 2026. Still purchasable until then, but OpenAI has announced end-of-life. Don't start new work on it.

Last verified pricing

historical reference — not a buy recommendation

o3-pro was last priced at $20.00 per 1M input tokens and $80.00 per 1M output tokens, with a 200K-token context window. Full history stays on the o3-pro model page.

What replaced o3-pro?

successor named by OpenAI

OpenAI's named successorfrom the deprecation notice — not our inference

Model	Input $/M	Output $/M	Context
o3-pro Deprecated	$20.00	$80.00	200K
GPT-5.6 Sol	$4.00	$20.00	1M	details →

Picking a replacement

We don't hold a benchmark average for o3-pro, so we won't claim any model is "equivalent" to it. Compare live prices across every current model in the migration calculator.

Migrating off o3-pro? The migration calculator compares your exact input/output token mix against every current model we track, with benchmark tradeoffs. Lifecycle data on this page comes from OpenAI's own page and was last re-verified on Oct 18, 2026. See all retired & deprecated models.