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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

About OpenAI: o3 Deep Research

OpenRouter makes OpenAI: o3 Deep Research available through a unified, OpenAI-compatible API using the model ID openai/o3-deep-research.

OpenAI: o3 Deep Research accepts images, text and files such as PDFs and returns text. It has a 200,000-token context window.

It was released on October 10, 2025.

More models from OpenAI

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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.

ActivityFAQ

Activity

Token volume and request traffic to this model over time.