Using Hermes-4-405B on Nous Portal

Quick Start

1. 1
   Create an account at Nous Portal and generate an API key.
2. 2
   Use the Nous Portal SDK or REST API to call hermes-4-405b — see the documentation for request format.
3. 3
   You'll be billed $0.09/1M input, $0.37/1M output tokens. See full pricing.

Code Examples

About Nous Portal

Nous Portal is the account, API key, subscription, and Hermes Agent OAuth surface for Nous Research. The API docs and info pages expose usage-priced gateway items (FLUX 2 Pro, GPT Image 2, Ideogram v3, Nano Banana Pro, and related backends) alongside the OpenAI-compatible chat catalog powered by OpenRouter.

Nous Portal is Nous Research's hosted inference platform and subscription portal — API keys, billing, Hermes Agent OAuth, model catalog access, and a usage-priced Tool Gateway for image backends.

Pricing on Nous Portal

Capabilities

About Hermes-4-405B

Hermes 4's 405B hosted variant on Nous Portal. The portal describes it as the largest Hermes 4 model, focused on advanced reasoning and creative depth rather than inference speed or cost.