MoonshotAI: Kimi K2.6 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 | xAI: Grok 4.5 |
|---|---|---|
| Intelligence Index | 44.2 | 53.8✓ |
| Coding Index | 61.8 | 72.4✓ |
| GPQA Diamond | 91% | 93%✓ |
| Design Arena Elo | 1351✓ | — |
| Speed (tokens/sec) | 202✓ | 74 |
| Latency | 282ms✓ | 655ms |
| Input price /M | $0.650✓ | $2.00 |
| Output price /M | $3.41✓ | $6.00 |
| Context window | 262K | 500K✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |