Google: Gemini 3.1 Flash Lite Preview wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Google: Gemini 3.1 Flash Lite Preview | OpenAI: GPT-5.2 |
|---|---|---|
| Intelligence Index | 33.5 | 46.6✓ |
| Coding Index | 30.1 | 44.2✓ |
| GPQA Diamond | 82% | 86%✓ |
| Design Arena Elo | 1211 | 1264✓ |
| Speed (tokens/sec) | 103✓ | 47 |
| Latency | 651ms✓ | 1.3s |
| Input price /M | $0.250✓ | $1.75 |
| Output price /M | $1.50✓ | $14.00 |
| Context window | 1.0M✓ | 400K |
| Capabilities | ReasoningToolsJSONVisionAudio | ReasoningToolsJSONVision |