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Hermes 4 405B API pricing
As of October 21, 2026, Nous Hermes 4 405B costs $1.00 per million input tokens and $3.00 per million output tokens, the median of 1 providers on OpenRouter.
Hermes 4 405B benchmarks and specs · Every Nous Research model's price
- Input, per million tokens$1.00
- Output, per million tokens$3.00
- Cached input, per millionNo cache price listed
- Context window131K tokens
- Max output118K tokens
- Output speedNot measured
What a request costs
Three fixed token mixes at the list price, without cache or batch discounts. For a whole month, use the calculator.
| Workload | Tokens | One request | 1,000 requests | Fits the context window |
|---|---|---|---|---|
| Chat turn | 1K input + 500 output tokens | $0.0025 | $2.50 | Yes |
| Repository review | 50K input + 3K output tokens | $0.059 | $59.00 | Yes |
| Agent loop | 200K input + 10K output tokens | $0.230 | $230.00 | No, it would need splitting |
| Solved coding task | One SWE-bench Verified attempt, divided by the share that succeed | Not computable | Not computable |
Price history
The price of Hermes 4 405B here is the median across 1 providers on OpenRouter, so we do not track price changes for it.
Cheaper models as good as Hermes 4 405B
Hermes 4 405B has no overall or coding score, so we make no quality claim against it.
Hermes 4 405B pricing questions
- How much does Hermes 4 405B cost per million tokens?
- $1.00 per million input tokens and $3.00 per million output tokens, as listed on OpenRouter on October 21, 2026.
- Does Hermes 4 405B support prompt caching?
- OpenRouter lists no cached input price for this model, so assume every input token is billed at the full rate.
- Has the price of Hermes 4 405B changed?
- The price of Hermes 4 405B here is the median across 1 providers on OpenRouter, so we do not track price changes for it.