Anthropic: Claude Opus 4.7 vs xAI: Grok 4.5
xAI: Grok 4.5 wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Anthropic: Claude Opus 4.7 | xAI: Grok 4.5 |
|---|---|---|
| Intelligence Index | 53.5 | 53.8✓ |
| Coding Index | 73.6✓ | 72.4 |
| GPQA Diamond | 91% | 93%✓ |
| Design Arena Elo | 1332✓ | — |
| Speed (tokens/sec) | 64 | 74✓ |
| Latency | 1.7s | 655ms✓ |
| Input price /M | $5.00 | $2.00✓ |
| Output price /M | $25.00 | $6.00✓ |
| Context window | 1M✓ | 500K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |