Model overview
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.
The summary below is compiled from sources by an AI model, not our own testing. Verify selection decisions against original sources and your workload.
Key features
- Fine-tuned on Qwen2.5 72B to emulate the prose quality of Claude 3 Sonnet and Opus
- Supports structured outputs via prompt-based or schema-guided generation
- Large context window of 32,768 tokens
Limitations & considerations
- No official benchmark scores, speed, or resource consumption metrics provided in source materials
- License (Apache-2.0) permits use but does not imply commercial endorsement or warranty
- No information available about multilingual capability, safety alignment, or instruction-following robustness
Source prices & cost analysis
Prices vary by channel, region and configuration. Channel quotes are listed independently and are not treated as a single official provider price.
| Source / channel | Input | Output | Billing unit | Collected at |
|---|---|---|---|---|
| OpenRouter · anthracite-org/magnum-v4-72b ↗ | USD 2.5 | USD 5 | Per million tokens | 2026/11/2 06:25:30 |
Estimate monthly base token costs
Estimates exclude cache discounts, tiered pricing, multimodal surcharges, web search, taxes and additional reasoning output.
Public benchmarks & run configuration
暂无已采集的可核验公开评分。模型未上榜不代表能力较低。
View full indexed rankings →Frequently asked questions
What base model is Magnum v4 72B built upon?
It is fine-tuned on Qwen2.5 72B.
Which Claude 3 models is Magnum v4 72B designed to emulate?
It is designed to replicate the prose quality of Claude 3 Sonnet and Claude 3 Opus.
Where can I find the official model repositories?
Official repositories are hosted on OpenRouter (https://openrouter.ai/anthracite-org/magnum-v4-72b) and Hugging Face (https://huggingface.co/anthracite-org/magnum-v4-72b).
Do open weights permit free commercial use?
Not necessarily. Check the version license, commercial conditions and usage policies. Self-hosting incurs compute and maintenance costs.
Are these real-time billing prices?
These are timestamped source snapshots, not live billing prices. Check the channel for current versions, regions, discounts and billing methods.
Sources & traceability
许可证：apache-2.0。模型介绍与第三方评测均以原来源的具体版本和方法为准。