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Nous Research API pricing
As of October 21, 2026, the Nous Research API prices run from $0.70 to $3.00 per million output tokens across 3 models, as listed on OpenRouter. Hermes 3 70B Instruct is the cheapest paid model at $0.70 input and $0.70 output per million tokens, and Hermes 4 405B the most expensive at $1.00 input and $3.00 output.
None of the 3 models from Nous Research has a benchmark score yet, so none is ranked. No Nous Research model has a published run cost in the sources we read, so cost per solved task shows No run cost rather than an estimate.
| Model | Input $/Mtok | Output $/Mtok | Context | Evidence | Index | Cost per solved task |
|---|---|---|---|---|---|---|
| Hermes 4 405B | $1.00 | $3.00 | 131K | Not benchmarked | No run cost | |
| Hermes 3 70B Instruct | $0.70 | $0.70 | 131K | Not benchmarked | No run cost | |
| Hermes 3 405B Instruct | $1.00 | $1.00 | 131K | Not benchmarked | No run cost |
Price changes
No change in a maker's own API price recorded yet. We read prices daily from OpenRouter (since October 15, 2026) and list a change only when the maker's own price moves between two of our snapshots.