Is o3-mini deprecated or retired?

Yes. o3-mini is Deprecated per OpenAI's own deprecation notice and shuts down on 2026-10-23. ModelPriceWatch last re-verified this status on 2026-07-25.

When does o3-mini shut down?

OpenAI has announced o3-mini shuts down on 2026-10-23. It remains purchasable until then, but new work should target a current model.

Is o3-mini deprecated?

OpenAI · lifecycle status verified Jul 25, 2026 against the provider's own notice.

Yes — o3-mini is deprecated and shuts down Oct 23, 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historical reference — not a buy recommendation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-mini was last priced at $1.10 per 1M input tokens and $4.40 per 1M output tokens, with a 200K-token context window. Its benchmark average was 65.9 on the blend we track. Full history stays on the o3-mini model page.

Same benchmark score or better, for less

computed from live prices + benchmark averages

Cheaper equivalentsscore ≥ 65.9 on the benchmark blend, ranked by blended cost ((3×input + 1×output) ÷ 4)

Model	Benchmark	Blended $/M	Input $/M	Output $/M
o3-mini Deprecated	65.9	$1.93	$1.10	$4.40
DeepSeek V4 Flash DeepInfra cheapest	82.2	$0.110	$0.090	$0.180	details →
GPT-OSS 20B Groq best value	98.7	$0.130	$0.075	$0.300	details →

"Equivalent" here means the model's benchmark average is at or above o3-mini's 65.9. Benchmarks compress real quality differences — validate on your own workload before switching. Model your exact token mix in the migration calculator.

Migrating off o3-mini? 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 notice and was last re-verified on Jul 25, 2026. See all retired & deprecated models.