Model · OpenAI

o4 Mini Deep Research

o4-mini-deep-research is OpenAI's faster, more affordable deep research model—ideal for tackling complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds addi

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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	$2.00 / 1M tokens
Output	$8.00 / 1M tokens
Cached read	$0.50 / 1M tokens
Source	OpenRouter
Verified	Apr 5, 2026 (High)

Surface

Capabilities

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

Model capabilities
Attribute	Values
Modalities	fileimagetext to text
Capabilities	reasoningwebSearchimageInputpromptCachingfunctionCallingstructuredOutputs

References

Official Links

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

Official model links
Reference	URL
Intro	https://openrouter.ai/openai/o4-mini-deep-research
Docs	https://openrouter.ai/openai/o4-mini-deep-research
Pricing	https://openrouter.ai/models

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
o4 Mini Deep Research	openai-o4-mini-deep-research	Active	Oct 10, 2025	—	—	Model available via OpenRouter.

Surfaces

Host Coverage

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

Host coverage
Host	Type	Context	Pricing Note	Differences
OpenRouter	aggregator	200.0K	$2.00/1M in · $8.00/1M out via OpenRouter	—

Migration

Migration Guidance

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

Migration guidance
Topic	Details
Summary

Timeline

Change Events

Cataloged model-family updates and source references.

Change events
Date	Type	Title	Description	Source
Oct 10, 2025	family_added	o4 Mini Deep Research published	Model made available via OpenRouter.	OpenRouter

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