Anthropic: Claude Opus 4.8 wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Anthropic: Claude Opus 4.8 | MoonshotAI: Kimi K2.7 Code |
|---|---|---|
| Intelligence Index | 55.7✓ | 41.9 |
| Coding Index | 56.7✓ | 45.6 |
| GPQA Diamond | 92%✓ | 90% |
| Design Arena Elo | 1373✓ | 1335 |
| Speed (tokens/sec) | 60 | 107✓ |
| Latency | 1.7s | 572ms✓ |
| Input price /M | $5.00 | $0.740✓ |
| Output price /M | $25.00 | $3.50✓ |
| Context window | 1M✓ | 262K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |