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    • © 2025 OpenRouter, Inc

    OpenAI: o3 Deep Research

    openai/o3-deep-research

    Created Oct 10, 2025200,000 context
    $10/M input tokens$40/M output tokens$10/K web search

    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.

    Recent activity on o3 Deep Research

    Total usage per day on OpenRouter

    Prompt
    1.71M
    Reasoning
    620K
    Completion
    -61,800

    Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.