DeepSeek: DeepSeek V4 Flash wins on more metrics (7 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | DeepSeek: DeepSeek V4 Flash | Z.ai: GLM 5 Turbo |
|---|---|---|
| Intelligence Index | 46.0 | 46.8✓ |
| Coding Index | 39.8✓ | 36.8 |
| GPQA Diamond | 87%✓ | 85% |
| Design Arena Elo | 1278 | 1337✓ |
| Speed (tokens/sec) | 85✓ | 21 |
| Latency | 544ms✓ | 1.6s |
| Input price /M | $0.098✓ | $1.20 |
| Output price /M | $0.196✓ | $4.00 |
| Context window | 1.0M✓ | 262K |
| Capabilities | ReasoningToolsJSON | ReasoningToolsJSON |