Model · OpenAI

o3-mini

Previous-gen fast reasoning model; replaced by o4-mini at same price.

Pricing

Model Overview

Tracked token-pricing fields for this model family. Empty pricing fields stay hidden until the source publishes them.

Model pricing
Price field	Value
Input	$1.10 / 1M tokens
Output	$4.40 / 1M tokens
Source	o3-mini pricing
Verified	Apr 5, 2026 (High)

Surface

Capabilities

Input and output modalities, enabled feature flags, strengths, and tradeoffs.

Model capabilities
Attribute	Values
Modalities	text to text
Capabilities	reasoningbatchSupportpromptCachingfunctionCallingstructuredOutputs
Strengths	Fast reasoning, Cheap
Tradeoffs	Deprecated — use o4-mini

References

Official Links

Canonical launch, documentation, pricing, and release-note URLs.

Official model links
Reference	URL
Intro	https://openai.com/index/openai-o3-mini/
Docs	https://developers.openai.com/api/docs/models
Pricing	https://platform.openai.com/docs/pricing/
Release note	https://help.openai.com/en/articles/9624314-model-release-notes

Coverage

Benchmark Coverage

Reported benchmark families, versions, scores, sources, and notes.

Benchmark coverage
Benchmark	Version	Score	Date	Source	Notes

Lifecycle

Release History

Lifecycle transitions and release timeline for this model family.

Release history
Release	Alias	Lifecycle	Release Date	Deprecation	Shutdown	Summary
o3-mini	o3-mini	Deprecated	Jan 31, 2025	—	—	Current published model family snapshot.

Surfaces

Host Coverage

Provider-specific hosting, context, pricing notes, feature differences, and provider-status context.

Host coverage
Host	Type	Context	Pricing Note	Differences
OpenAI API	first-party	200.0K	Deprecated; new traffic should use o4-mini.	—

Migration

Migration Guidance

Documented migration summary, successor families, and known breaking changes.

Migration guidance
Topic	Details
Summary	Migrate to o4-mini — same price, higher benchmark scores.
Replacement models	o4-mini

Timeline

Change Events

Cataloged model-family updates and source references.

Change events
Date	Type	Title	Description	Source
Jan 31, 2025	family_added	o3-mini published	Initial public model family launch.	o3-mini release notes

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