Home › Providers › nousresearch › Nous: Hermes 4 405B
Nous: Hermes 4 405B API Pricing
Hermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research. It introduces a hybrid reasoning mode, where the model can choose to deliberate internally with...
How much does Nous: Hermes 4 405B cost for a real workload?
At 10M input + 2M output tokens per month, Nous: Hermes 4 405B costs about $16 ($10 input + $6 output). Try your own volumes in the cost calculator.
What are cheaper alternatives to Nous: Hermes 4 405B?
- Pareto 26.10 — $0.8 in / $3.2 out per 1M
- Pareto Latest — $0.8 in / $3.2 out per 1M
- Amazon: Nova Pro 1.0 — $0.8 in / $3.2 out per 1M
- Qwen: Qwen3 235B A22B Thinking 2507 — $0.45 in / $3.5 out per 1M
- SpaceXAI: Grok 4.3 — $1.25 in / $2.5 out per 1M
- SpaceXAI: Grok 4.20 Multi-Agent — $1.25 in / $2.5 out per 1M
Compare Nous: Hermes 4 405B with other models
Nous: Hermes 4 405B vs Nous: Hermes 3 70B InstructNous: Hermes 4 405B vs Nous: Hermes 3 405B Instruct
Frequently asked questions
How much does Nous: Hermes 4 405B cost?
Nous: Hermes 4 405B costs $1 per 1M input tokens and $3 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $16.
What is the context window of Nous: Hermes 4 405B?
Nous: Hermes 4 405B has a context window of 131,072 tokens and can return up to 117,964 output tokens per response.
What are cheaper alternatives to Nous: Hermes 4 405B?
Cheaper models include Pareto 26.10 ($0.8 in / $3.2 out), Pareto Latest ($0.8 in / $3.2 out), Amazon: Nova Pro 1.0 ($0.8 in / $3.2 out). See the full list on this page.
Is Nous: Hermes 4 405B free to use?
No. Nous: Hermes 4 405B is a paid model at $1 input / $3 output per 1M tokens. 20 free models are listed on the free models page.
Provider: nousresearch · Model ID: nousresearch/hermes-4-405b · Modality: text->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices