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OpenAI: o3 Deep Research

openai/o3-deep-research

o3-deep-research is OpenAI's advanced model for deep research, designed to tackle 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.

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Frequently asked questions

o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds additional cost.

o3 Deep Research has a 200,000 token context window.

o3 Deep Research accepts images, text and files such as PDFs as input and returns text.

GPT-5.6 Luna Pro, GPT-5.6 Luna, GPT-5.6 Terra Pro and 56 more are other text models from OpenAI.

o3 Deep Research was released on October 10, 2025.