Claude Opus 5.5 (Canary Checkpoint) vs GLM-5-3 (Flagship)
A direct, empirical evaluation of Claude Opus 5.5 (Canary Checkpoint) (Anthropic) against GLM-5-3 (Flagship) (Zhipu AI & THUDM).
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.
GLM-5-3 (Flagship)
Developed by Zhipu AI & THUDM · 744B parameters
Complex algorithmic reasoning, multi-step code synthesis, and long-horizon tool execution.
| Metric | Claude Opus 5.5 (Canary Checkpoint) | GLM-5-3 (Flagship) |
|---|---|---|
| SWE-bench Verified | 81.4% | 54.8% |
| MMLU-Pro | 94.2% | 78.4% |
| MATH-500 | 97.9% | 93.6% |
| Context Window | 1,000,000 tokens | 256,000 tokens |
| Input Pricing (per 1M) | $5.00 | $0.55 |
| Output Pricing (per 1M) | $25.00 | $2.19 |