Claude Opus 5.5 (Canary Checkpoint) vs Muse Spark 1.3 (xhigh)
A direct, empirical evaluation of Claude Opus 5.5 (Canary Checkpoint) (Anthropic) against Muse Spark 1.3 (xhigh) (Meta AI).
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.
Muse Spark 1.3 (xhigh)
Developed by Meta AI · Proprietary Multimodal parameters
Autonomous codebase refactoring, terminal execution, million-token long context retrieval, and agentic workflows.
| Metric | Claude Opus 5.5 (Canary Checkpoint) | Muse Spark 1.3 (xhigh) |
|---|---|---|
| SWE-bench Verified | 81.4% | 75.4% |
| MMLU-Pro | 94.2% | 88.4% |
| MATH-500 | 97.9% | 94.8% |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Input Pricing (per 1M) | $5.00 | $1.25 |
| Output Pricing (per 1M) | $25.00 | $5.00 |