Google: Gemini 3.1 Pro Preview wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Google: Gemini 3.1 Pro Preview | Z.ai: GLM 5 |
|---|---|---|
| Intelligence Index | 41.3✓ | 40.6 |
| Coding Index | 39.4✓ | 39.0 |
| GPQA Diamond | 89%✓ | 67% |
| Design Arena Elo | 1345✓ | 1313 |
| Speed (tokens/sec) | 92 | 100✓ |
| Latency | 3.1s | 422ms✓ |
| Input price /M | $2.00 | $0.600✓ |
| Output price /M | $12.00 | $1.92✓ |
| Context window | 1.0M✓ | 203K |
| Capabilities | ReasoningToolsJSONVisionAudio | ReasoningToolsJSON |