Kimi K3 vs Nemotron 3 Ultra 550B A55B
Nemotron 3 Ultra 550B A55B is cheaper on output tokens, while Kimi K3 offers a larger context window. Choose Kimi K3 or Nemotron 3 Ultra 550B A55B based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Kimi K3 | Nemotron 3 Ultra 550B A55B |
|---|---|---|
| Provider | Fireworks AI | Fireworks AI |
| Input / 1M tokens | $3.00 | $0.60 |
| Output / 1M tokens | $15.00 | $2.40 |
| Context window | 1M | 262K |
| Parameters | — | — |
| Open weights | Yes | Yes |
| Released | Jul 2026 | Jun 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.