Hermes 4 405B

Nous model details for pricing, context, and release tracking.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output
Model Specs
ProviderNous
Model IDnousresearch/hermes-4-405b
Prompt Price
per 1M tokens		$1
Completion Price
per 1M tokens		$3
Sample Workload Cost
1M input + 500K output		$2.5
Context Window131.07K
Release Date2025-08-26
Popularity RankUnranked
Daily DemandN/A

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Prices are normalized to USD per 1M tokens.
Hermes 4 405B Calculating… Estimated monthly API cost
Unit prices $1 input / $3 output Per 1M tokens

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Model Introduction

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...

Best Fit

Hermes 4 405B is best suited for general API evaluation.

Cost Example

A 1M input token plus 500K output token workload is estimated at $2.5.

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