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o3 Deep Research

by OpenAI

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

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o3 Deep Research

Added 10 July 2026

#openai

Overview

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.

How to use / API access

Call via OpenRouter with model id `openai/o3-deep-research`.

  • openrouter · openai/o3-deep-research Docs

OpenRouter id: openai/o3-deep-research

Notes

o3 Deep Research is listed in the EDNA Models directory from the OpenRouter catalogue.

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