Google: Gemini 3.6 Flash vs OpenAI: GPT-5.5
OpenAI: GPT-5.5 wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Google: Gemini 3.6 Flash | OpenAI: GPT-5.5 |
|---|---|---|
| Intelligence Index | 50.1 | 54.8✓ |
| Coding Index | 69.2 | 74.9✓ |
| GPQA Diamond | 93% | 94%✓ |
| Design Arena Elo | — | 1292✓ |
| Speed (tokens/sec) | 126✓ | 72 |
| Latency | 1.8s | 1.8s✓ |
| Input price /M | $1.50✓ | $5.00 |
| Output price /M | $7.50✓ | $30.00 |
| Context window | 1.0M | 1.1M✓ |
| Capabilities | ReasoningToolsJSONVisionAudio | ReasoningToolsJSONVision |