Anthropic: Claude Opus 4.7 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 | OpenAI: GPT-5.4 Nano |
|---|---|---|
| Intelligence Index | 53.5✓ | 38.2 |
| Coding Index | 52.5✓ | 43.9 |
| GPQA Diamond | 91%✓ | 82% |
| Design Arena Elo | 1503✓ | — |
| Speed (tokens/sec) | 60✓ | 53 |
| Latency | 1.1s | 607ms✓ |
| Input price /M | $5.00 | $0.200✓ |
| Output price /M | $25.00 | $1.25✓ |
| Context window | 1M✓ | 400K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |