GLM-5.1 vs GPT-5.4 mini
For product management work, compared on the PM Index.
- GLM-5.1 leads on the PM Index (39.7 vs 39.7).
- GPT-5.4 mini is cheaper ($1.69 vs $2.15 per 1M tokens).
- GPT-5.4 mini is faster (161 vs 84 tok/s).
| Metric | GLM-5.1 | GPT-5.4 mini |
|---|---|---|
| PM Index | 39.7 | 39.7 |
| AA Intelligence | 40.2 | 40.0 |
| AA Coding | 55.8 | 56.1 |
| AA Agentic | 29.9 | 30.2 |
| Blended $/1M | $2.15 | $1.69 |
| Output tok/s | 84 | 161 |