Anthropic's Sonnet-class model for well-scoped everyday work, a direct upgrade over Claude Sonnet 5.
Large 72B model from the Qwen 2.5 generation.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Claude Sonnet 5.5 and Qwen2.5 72B are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Qwen2.5 72B has a lower blended cost. Claude Sonnet 5.5: $2.00 input / $10.00 output. Qwen2.5 72B: $0.36 input / $0.40 output.
Claude Sonnet 5.5 has a larger context window: Claude Sonnet 5.5 supports 1M tokens vs Qwen2.5 72B at 33K tokens.
Claude Sonnet 5.5 supports vision/image input, but Qwen2.5 72B does not.
Key differences: Qwen2.5 72B is significantly cheaper; only Claude Sonnet 5.5 supports vision input; only Claude Sonnet 5.5 offers extended reasoning mode. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Sonnet 5.5 and Qwen2.5 72B for free on idapt.app to see which performs better for your specific needs.