Google: Gemini 3.5 Flash 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 4.8 | Google: Gemini 3.5 Flash |
|---|---|---|
| Intelligence Index | 61.4✓ | 54.8 |
| Coding Index | 56.7✓ | 43.9 |
| GPQA Diamond | 92% | 92%✓ |
| Design Arena Elo | 1372✓ | 1329 |
| Speed (tokens/sec) | 80 | 174✓ |
| Latency | 1.9s | 1.9s✓ |
| Input price /M | $5.00 | $1.50✓ |
| Output price /M | $25.00 | $9.00✓ |
| Context window | 1M | 1.0M✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVisionAudio |