Z.ai: GLM 4.7 Flash wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | xAI: Grok 4.20 | Z.ai: GLM 4.7 Flash |
|---|---|---|
| Intelligence Index | 29.7 | 30.1✓ |
| Coding Index | 25.4 | 25.9✓ |
| GPQA Diamond | 79%✓ | 58% |
| Design Arena Elo | — | 1265✓ |
| Speed (tokens/sec) | 93✓ | 35 |
| Latency | 724ms | 308ms✓ |
| Input price /M | $1.25 | $0.060✓ |
| Output price /M | $2.50 | $0.400✓ |
| Context window | 2M✓ | 203K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSON |