// pricing · September 2026
Nous API Pricing
Every Nous model's list price per 1M tokens — input, output and cached input — with context windows, LiveBench scores and what a real workload costs per month.
3 Nous models are listed, with a median list price of $1.00 per 1M input tokens and $1.00 per 1M output tokens. Paid prices run from $0.700 (Hermes 3 70B Instruct) to $1.50 (Hermes 4 405B) per 1M tokens blended.
- Models
- 3
- Median input / 1M
- $1.00
- paid models
- Median output / 1M
- $1.00
- paid models
- Cheapest paid
- $0.700
- Hermes 3 70B Instruct
- Prompt caching
- 0
- publish a cached-input price
Nous model prices
List prices in USD per 1M tokens. “Blended” is a 3:1 input:output mix; the per-month column prices the selected workload using each model's cached-input rate where it publishes one.
Showing 3 of 3 models · per-month column: 8K in / 600 out × 100K requests, 50% of input cached
| nousresearch/hermes-3-llama-3.1-70b | $0.700 | $0.700 | — | $0.700 | 131K | — | $602.00 |
|---|---|---|---|---|---|---|---|
| nousresearch/hermes-3-llama-3.1-405b | $1.00 | $1.00 | — | $1.00 | 131K | — | $860.00 |
| nousresearch/hermes-4-405b | $1.00 | $3.00 | — | $1.50 | 131K | — | $980.00 |
Nous pricing FAQ
What is the cheapest Nous model?
Hermes 3 70B Instruct is the cheapest paid Nous model, at $0.700 per 1M input tokens and $0.700 per 1M output tokens.
Why do output tokens cost more than input tokens?
Generating a token takes a full forward pass per token, while input is processed in parallel. Across the paid Nous models listed here the median output price is $1.00 per 1M against $1.00 for input — reasoning tokens bill as output too.
Which Nous models support prompt caching?
None of them publish a separate cached-input price right now.
How current are these prices?
List prices are pulled from OpenRouter’s public models API and refreshed every 15 minutes. Batch discounts and enterprise pricing are not included.
Other providers
What these prices include
- List prices from OpenRouter's public models API, which mirrors provider pricing. Batch discounts and negotiated enterprise rates are not included.
- Variants —
:freeand:batchlistings are folded into their base model; its model page lists them. - Per-month cost is a floor: tokens you describe times list price. Cache writes and reasoning-token volume depend on your workload.