Nemotron 3.5 Content Safety is cheaper than Claude Opus 4.1 at $0/M vs $15/M input tokens.
| Spec | Claude Opus 4.1 | Nemotron 3.5 Content Safety |
|---|---|---|
| Input price | $15/M tokens | Free |
| Output price | $75/M tokens | Free |
| Context window | 200K tokens | 128K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | Yes (1 provider) |
| Released | Aug 2025 | Jun 2026 |
Not enough votes to call it. On the specs, Claude Opus 4.1 has the edge: bigger model tier, bigger context window, major provider backing.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.