GLM-5.1 (Reasoning) vs GPT-5.1 (high)
For product management work, compared on the PM Index.
- GLM-5.1 (Reasoning) leads on the PM Index (53.7 vs 48.1).
- GLM-5.1 (Reasoning) is cheaper ($2.15 vs $3.44 per 1M tokens).
- GPT-5.1 (high) is faster (139 vs 78 tok/s).
| Metric | GLM-5.1 (Reasoning) | GPT-5.1 (high) |
|---|---|---|
| PM Index | 53.7 | 48.1 |
| AA Intelligence | 51.4 | 47.7 |
| AA Coding | 43.4 | 44.7 |
| AA Agentic | 67.1 | 51.3 |
| Blended $/1M | $2.15 | $3.44 |
| Output tok/s | 78 | 139 |