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-tu…
Model details →Magnum v4 72B vs Anthropic: Claude Opus 4.5 (batch)
Anthropic: Claude Opus 4.5 (batch) wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding…
Model details →Side-by-side comparison
| Capability | Magnum v4 72B | Anthropic: Claude Opus 4.5 (batch) | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 33K | 200K | 🏆 Anthropic: Claude Opus 4.5 (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $2.50 | Tie |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $5.00 | $12.50 | 🏆 Magnum v4 72B |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 Anthropic: Claude Opus 4.5 (batch) |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 Anthropic: Claude Opus 4.5 (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 Anthropic: Claude Opus 4.5 (batch) |
Frequently asked questions
Is Magnum v4 72B better than Anthropic: Claude Opus 4.5 (batch)?
Anthropic: Claude Opus 4.5 (batch) wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Magnum v4 72B and Anthropic: Claude Opus 4.5 (batch)?
Input: $2.50 vs $2.50 per 1M tokens. Output: $5.00 vs $12.50 per 1M tokens.
What context windows do Magnum v4 72B and Anthropic: Claude Opus 4.5 (batch) support?
Magnum v4 72B supports up to 33K tokens. Anthropic: Claude Opus 4.5 (batch) supports up to 200K tokens.
Do both Magnum v4 72B and Anthropic: Claude Opus 4.5 (batch) support tool calling?
Magnum v4 72B: not advertised. Anthropic: Claude Opus 4.5 (batch): yes.