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-oss-120b |
|---|---|---|
| Intelligence Index | 33.5✓ | 33.3 |
| Coding Index | 30.1✓ | 28.6 |
| GPQA Diamond | 82%✓ | 78% |
| Design Arena Elo | 1211✓ | 1062 |
| Speed (tokens/sec) | 103 | 554✓ |
| Latency | 651ms | 161ms✓ |
| Input price /M | $0.250 | $0.039✓ |
| Output price /M | $1.50 | $0.180✓ |
| Context window | 1.0M✓ | 131K |
| Capabilities | ReasoningToolsJSONVisionAudio | ReasoningToolsJSON |