OpenAI: GPT-4.1 Nano wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | IBM: Granite 4.1 8B | OpenAI: GPT-4.1 Nano |
|---|---|---|
| Intelligence Index | 12.4 | 13.0✓ |
| Coding Index | 7.3 | 11.2✓ |
| GPQA Diamond | 43% | 51%✓ |
| Design Arena Elo | — | 1039✓ |
| Speed (tokens/sec) | 119✓ | 98 |
| Latency | 140ms✓ | 597ms |
| Input price /M | $0.050✓ | $0.100 |
| Output price /M | $0.100✓ | $0.400 |
| Context window | 131K | 1.0M✓ |
| Capabilities | ToolsJSON | ToolsJSONVision |