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    • © 2025 OpenRouter, Inc

    OpenAI: o4 Mini Deep Research

    openai/o4-mini-deep-research

    Created Oct 10, 2025200,000 context
    $2/M input tokens$8/M output tokens$10/K web search

    o4-mini-deep-research is OpenAI's faster, more affordable deep research model—ideal for tackling complex, multi-step research tasks.

    Note: This model always uses the 'web_search' tool which adds additional cost.

    Recent activity on o4 Mini Deep Research

    Total usage per day on OpenRouter

    Prompt
    10.4M
    Reasoning
    3.65M
    Completion
    349K

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