Z.ai: GLM 5.2 wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | MoonshotAI: Kimi K2.6 | Z.ai: GLM 5.2 |
|---|---|---|
| Intelligence Index | — | 50.7✓ |
| Coding Index | 38.4 | 50.7✓ |
| GPQA Diamond | 79% | 90%✓ |
| Design Arena Elo | 1360 | 1369✓ |
| Speed (tokens/sec) | 114✓ | 71 |
| Latency | 611ms✓ | 800ms |
| Input price /M | $0.680✓ | $1.40 |
| Output price /M | $3.41✓ | $4.40 |
| Context window | 262K | 1.0M✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSON |