Nemotron 3 Ultra has a larger context window than Nemotron 3.5 Content Safety (1.0M tokens vs 128K tokens).
| Spec | Nemotron 3 Ultra | Nemotron 3.5 Content Safety |
|---|---|---|
| Input price | Free | Free |
| Output price | Free | Free |
| Context window | 1.0M tokens | 128K tokens |
| Weights | Open | Open |
| Free API (OpenRouter) | Yes (1 provider) | Yes (1 provider) |
| Released | Jun 2026 | Jun 2026 |
Not enough votes to call it. On the specs, Nemotron 3 Ultra has the edge: bigger model tier, bigger context window.
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Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.