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OpenAI: o4 Mini Deep Research

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 additional cost.

Modalities
Context
200K
Released
Oct 10, 2025
ActivityFAQExplore

Activity

Token volume and request traffic to this model over time.

Not currently available through EU in-region routing. In-region routing docs

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Frequently asked questions

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 additional cost.

o4 Mini Deep Research has a 200,000 token context window.

o4 Mini Deep Research accepts files such as PDFs, images, and text as input and returns text.

GPT-6 Luna Decisions, GPT-6.1 Sol Pro, GPT-6.1 Sol and 61 more are other text models from OpenAI.

o4 Mini Deep Research was released on October 10, 2025.