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    • © 2026 OpenRouter, Inc

    Magnum v4 72B

    anthracite-org/magnum-v4-72b

    Created Oct 22, 202416,384 context
    $3/M input tokens$5/M output tokens

    This is a series of models designed to replicate the prose quality of the Claude 3 models, specifically Sonnet(https://openrouter.ai/anthropic/claude-3.5-sonnet) and Opus(https://openrouter.ai/anthropic/claude-3-opus).

    The model is fine-tuned on top of Qwen2.5 72B.

    Recent activity on Magnum v4 72B

    Total usage per day on OpenRouter

    Prompt
    9.19M
    Completion
    586K

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