MiniMax's multimodal foundation model for long-horizon 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 MiniMax M3 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.
MiniMax M3 has a lower blended cost. MiniMax M3: $0.30 input / $1.20 output. Claude Opus 5.5: $4.00 input / $20.00 output.
Claude Opus 5.5 has a larger context window: MiniMax M3 supports 524K tokens vs Claude Opus 5.5 at 1M tokens.
Yes, both MiniMax M3 and Claude Opus 5.5 support vision/image input.
Key differences: MiniMax M3 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 MiniMax M3 and Claude Opus 5.5 for free on idapt.app to see which performs better for your specific needs.