Google: Gemini 3.1 Flash Lite Preview wins on more metrics (7 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Anthropic: Claude Sonnet 4 | Google: Gemini 3.1 Flash Lite Preview |
|---|---|---|
| Intelligence Index | 33.0 | 33.5✓ |
| Coding Index | 30.6✓ | 30.1 |
| GPQA Diamond | 68% | 82%✓ |
| Design Arena Elo | 1220✓ | 1211 |
| Speed (tokens/sec) | 50 | 103✓ |
| Latency | 720ms | 651ms✓ |
| Input price /M | $3.00 | $0.250✓ |
| Output price /M | $15.00 | $1.50✓ |
| Context window | 1M | 1.0M✓ |
| Capabilities | ReasoningToolsVision | ReasoningToolsJSONVisionAudio |