Magnum v4 72B
Review
Magnum v4 72B from Anthracite is a creative writing fine-tune with no benchmark data, a small 16K context window, and relatively high pricing, making it a niche option for expressive content rather than a versatile business tool.
Assessment date: April 4, 2026
Our methodology takes into account a range of factors including pricing, functionality, capabilities, benchmark performance, and real-world applicability. Rankings are reviewed and updated regularly as new models are released. Issues with our rankings? Contact us
Performance Profile
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.
Architecture
| Modality | Text → Text |
| Tokenizer | Qwen |
| Instruct Type | chatml |
| Parameters | 72B |
Model Information
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $3.00 | $0.003000 |
| Output | $5.00 | $0.005000 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
