OpenAI: GPT-5.4 wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | NVIDIA: Nemotron 3 Ultra | OpenAI: GPT-5.4 |
|---|---|---|
| Intelligence Index | 37.8 | 51.4✓ |
| Coding Index | 37.6 | 57.2✓ |
| GPQA Diamond | 87% | 92%✓ |
| Design Arena Elo | 1220 | 1303✓ |
| Speed (tokens/sec) | 117✓ | 60 |
| Latency | 562ms✓ | 1.0s |
| Input price /M | $0.500✓ | $2.50 |
| Output price /M | $2.50✓ | $15.00 |
| Context window | 1M | 1.1M✓ |
| Capabilities | ReasoningToolsJSON | ReasoningToolsJSONVision |