Claude Opus 5.5 (Canary Checkpoint) vs MiniMax M3.1-Flash-Preview
A direct, empirical evaluation of Claude Opus 5.5 (Canary Checkpoint) (Anthropic) against MiniMax M3.1-Flash-Preview (MiniMax).
Claude Opus 5.5 (Canary Checkpoint)
Developed by Anthropic · Frontier Mixture-of-Experts Architecture parameters
Autonomous repository issue resolution (81.4% SWE-bench Verified), native 3D glTF/OBJ mesh synthesis, and sub-300ms time-to-first-token.
MiniMax M3.1-Flash-Preview
Developed by MiniMax · Proprietary Sparse Coding MoE parameters
Low-latency interactive IDE code completions at 165 tokens/sec, SWE-bench Verified bug fixes (73.8%), terminal automation, and budget-optimized pull request reviews.
| Metric | Claude Opus 5.5 (Canary Checkpoint) | MiniMax M3.1-Flash-Preview |
|---|---|---|
| SWE-bench Verified | 81.4% | 73.8% |
| MMLU-Pro | 94.2% | 81.2% |
| MATH-500 | 97.9% | 92.4% |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Input Pricing (per 1M) | $5.00 | $0.10 |
| Output Pricing (per 1M) | $25.00 | $0.40 |