X-Ai/Grok-4-Fast-Non-Reasoning vs Nemotron 3 Ultra 550B A55B (Deep Infra)
X-Ai/Grok-4-Fast-Non-Reasoning is cheaper on output tokens, while X-Ai/Grok-4-Fast-Non-Reasoning offers a larger context window. Choose X-Ai/Grok-4-Fast-Non-Reasoning or Nemotron 3 Ultra 550B A55B (Deep Infra) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | X-Ai/Grok-4-Fast-Non-Reasoning | Nemotron 3 Ultra 550B A55B (Deep Infra) |
|---|---|---|
| Provider | Eden AI | Eden AI |
| Input / 1M tokens | $0.20 | $0.50 |
| Output / 1M tokens | $0.50 | $2.20 |
| Context window | 2M | 262K |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Dec 2025 | Jun 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.