Mistral's small, efficient open reasoning model.
Anthropic's new flagship for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5.
No shared demos for these models yet.
No captured outputs for these models yet.
This model hasn't been benchmarked yet.
Both Magistral Small and Claude Opus 5.5 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.
Claude Opus 5.5 has a larger context window: Magistral Small supports 41K tokens vs Claude Opus 5.5 at 1M tokens.
Claude Opus 5.5 supports vision/image input, but Magistral Small does not.
Key differences: only Claude Opus 5.5 supports vision input. 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 Magistral Small and Claude Opus 5.5 for free on idapt.app to see which performs better for your specific needs.