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Nous Research

Hermes 3 405B Instruct pricing & price history

nousresearch/hermes-3-llama-3.1-405b

Hermes 3 405B Instruct by Nous Research costs $1.00 per 1M input tokens and $1.00 per 1M output tokens, with a 131K token context window.

$1.00Input / 1M tokens
$1.00Output / 1M tokens
131KContext window
Intelligence index

Price history

$0.00$0.57$1.15 2026-09-24today input /1M output /1M

No price changes since tracking began on 2026-09-24. We check hourly.

Cost calculator

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About Hermes 3 405B Instruct

Hermes 3 is a generalist language model with many improvements over Hermes 2, including advanced agentic capabilities, much better roleplaying, reasoning, multi-turn conversation, long context coherence, and improvements across the...

FAQ

How much does Hermes 3 405B Instruct cost?

Hermes 3 405B Instruct by Nous Research costs $1.00 per 1M input tokens and $1.00 per 1M output tokens, with a 131K token context window. A typical request with 2,000 input and 500 output tokens costs about $0.0025.

What is the context window of Hermes 3 405B Instruct?

Hermes 3 405B Instruct supports up to 131,072 tokens of context and up to 16,384 output tokens per request.

Has Hermes 3 405B Instruct’s price changed?

No price changes recorded since ModelBank started tracking it on 2026-09-24.

Is Hermes 3 405B Instruct being deprecated?

No retirement date has been announced for Hermes 3 405B Instruct as of 2026-09-24.

What are cheaper alternatives to Hermes 3 405B Instruct?

Cheaper options include Nemotron 3.5 Lightning ($0.08/$0.20), DeepSeek V4 Flash 0731 ($0.04/$0.32), Ministral 3 8B 2512 ($0.15/$0.15), Llama 4 Scout ($0.10/$0.30).