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Magnum v4 72B

ModelOpen sourceActive
by anthracite-org · family “magnum-v4b”

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](https://openrouter.ai/qwen/qwen-2.5-72b-instruct). (description from the OpenRouter listing)

in: textout: textStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Listing ↗
Released
22 Oct 2024
Context window
33K tokens
Max output
4K tokens
Input $ / 1M tokens
$2.50
Output $ / 1M tokens
$5.00
Cached input $ / 1M
Unknown
Each benchmark shown separately with its own source

Benchmark results (0)

All benchmarks
No benchmark results recorded for this model.

Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.

API list price over time

Price history

$ per 1M tokens

13 recorded prices on 1 Oct 2025 (OpenRouter listing + Internet Archive snapshots); re-read on every data refresh, most recently 30m ago. Steps show when the price changed.

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