Anthropic: Claude Fable 5 and NVIDIA: Nemotron 3 Ultra are evenly matched; the right pick depends on your priorities.
| Metric | Anthropic: Claude Fable 5 | NVIDIA: Nemotron 3 Ultra |
|---|---|---|
| Intelligence Index | 59.9✓ | 37.8 |
| Coding Index | 62.0✓ | 37.6 |
| GPQA Diamond | 93%✓ | 87% |
| Design Arena Elo | 1417✓ | 1220 |
| Speed (tokens/sec) | — | 79✓ |
| Latency | — | 834ms✓ |
| Input price /M | $10.00 | $0.500✓ |
| Output price /M | $50.00 | $2.50✓ |
| Context window | 1M | 1M |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSON |