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Nous Research API Pricing

Nous Research builds the open-weight Hermes series — steerable, instruction-tuned fine-tunes of Llama with strong function-calling and minimal refusals. A favourite of the open-source community for agents and self-hosting.

Official site: nousresearch.com →

Cheapest

Hermes 4 405B

$1.00/1M in

Flagship

Hermes 4 405B

$1.00/1M in

Models

1 tracked

All tiers, latest pricing.

All Nous Research Models

ModelTierInput / 1MOutput / 1MContext
Hermes 4 405Bflagship$1.00$3.00131K

Model Details

Hermes 4 405B

$1.00 in

Hermes 4 is a large-scale reasoning model built on Meta-Llama-3.1-405B and released by Nous Research.

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Use the TokenRate calculator to estimate exactly what Nous Research models will cost for your workload.

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