Google: Gemini 3.1 Pro Preview wins on more metrics (7 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Claude Opus 5 | Google: Gemini 3.1 Pro Preview |
|---|---|---|
| Intelligence Index | 60.7✓ | 46.5 |
| Coding Index | 78.0✓ | 68.8 |
| GPQA Diamond | 93% | 94%✓ |
| Design Arena Elo | — | 1337✓ |
| Speed (tokens/sec) | — | 102✓ |
| Latency | — | 3.1s✓ |
| Input price /M | $5.00 | $2.00✓ |
| Output price /M | $25.00 | $12.00✓ |
| Context window | 1M | 1.0M✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVisionAudio |
Google: Gemini 3.1 Pro Preview wins on more metrics (7 of 9), but the right pick depends on what you optimize for — see the breakdown below.
The table on this page compares Claude Opus 5 and Google: Gemini 3.1 Pro Preview metric by metric — intelligence benchmarks, coding score, speed, latency, context window and per-token price — with the winner marked on each row. Data refreshes hourly.