OpenAI: gpt-oss-20b wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Amazon: Nova 2 Lite | OpenAI: gpt-oss-20b |
|---|---|---|
| Intelligence Index | 24.6✓ | 24.5 |
| Coding Index | 13.6 | 18.5✓ |
| GPQA Diamond | 70%✓ | 69% |
| Design Arena Elo | — | 977✓ |
| Speed (tokens/sec) | 119 | 397✓ |
| Latency | 544ms | 223ms✓ |
| Input price /M | $0.300 | $0.029✓ |
| Output price /M | $2.50 | $0.140✓ |
| Context window | 1M✓ | 131K |
| Capabilities | ReasoningToolsVision | ReasoningToolsJSON |