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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
    651K
    Reasoning
    292K
    Completion
    25K

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