Claude Sonnet 4.6 vs GLM-5.1
For product management work, compared on the PM Index.
- Claude Sonnet 4.6 leads on the PM Index (53.9 vs 53.7).
- GLM-5.1 is cheaper ($2.15 vs $6.00 per 1M tokens).
- GLM-5.1 is faster (80 vs 53 tok/s).
| Metric | Claude Sonnet 4.6 | GLM-5.1 |
|---|---|---|
| PM Index | 53.9 | 53.7 |
| AA Intelligence | 51.7 | 51.4 |
| AA Coding | 50.9 | 43.4 |
| AA Agentic | 63.0 | 67.1 |
| Blended $/1M | $6.00 | $2.15 |
| Output tok/s | 53 | 80 |