Mistral's frontier multimodal flagship for reasoning, coding, and agentic work.
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.
Both Mistral Large 4 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.
Mistral Large 4 has a lower blended cost. Mistral Large 4: $0.68 input / $2.09 output. Claude Opus 5.5: $4.00 input / $20.00 output.
Mistral Large 4 has a larger context window: Mistral Large 4 supports 1M tokens vs Claude Opus 5.5 at 1M tokens.
Yes, both Mistral Large 4 and Claude Opus 5.5 support vision/image input.
Key differences: Mistral Large 4 is significantly cheaper. 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 Mistral Large 4 and Claude Opus 5.5 for free on idapt.app to see which performs better for your specific needs.