Magnum v4 72B
Analysis Summary
Magnum v4 72B is a fine-tune from Anthracite-org, built on a 72B base and aimed at high-quality creative and narrative writing. No benchmark data is available, so reasoning, instruction following, and coding capability cannot be assessed objectively. The 32K context window is a constraint for longer documents.
For businesses, the lack of tool use, function calling, or vision support limits its utility beyond creative content generation. Without benchmarks, it is difficult to set reliable expectations for structured or factual tasks. It may suit teams specifically seeking a large-model creative writing assistant.
At $3.00 input and $5.00 output per million tokens, pricing is high for an unverified model. Teams with creative writing needs should compare it against well-benchmarked alternatives before committing, as the cost-to-capability ratio cannot be confirmed from available data.
Assessed June 6, 2026
Editorial notes
Magnum v4 72B is a community fine-tune from Anthracite-org targeting creative writing, but has no benchmark data and premium pricing that is hard to justify without verified capability.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How Magnum v4 72B compares
Its 33K-token context window is larger than 32% of the models we list. At $3.00 per million input tokens it is cheaper than 10% of comparable models.
About Magnum v4 72B
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 Detail
| Instruct Type | chatml |
How does Magnum v4 72B stack up?
Compare side-by-side with other legacy models.
Model Information
| OpenRouter ID |
anthracite-org/magnum-v4-72b
|
| Provider | anthracite-org |
| Release Date | October 22, 2024 |
| Context Length | 32,768 tokens |
| Max Completion | 2,048 tokens |
| Status | Active |
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.
Leaderboard Categories
External Resources
Frequently asked questions about Magnum v4 72B
How much does Magnum v4 72B cost?
Magnum v4 72B costs $3.00 per million input tokens and $5.00 per million output tokens.
What is the context window of Magnum v4 72B?
Magnum v4 72B has a context window of 32,768 tokens (33K).
Who created Magnum v4 72B?
Magnum v4 72B is developed by Anthracite-org and was released on October 22, 2024.
