Nous: Hermes 4 405B

Nous: Hermes 4 405B

nousresearch · Released Aug 26, 2025 Legacy
Awaiting
Review
Benchmarks pending

Performance Profile

Intelligence0Technical0Value6.8Content3.5
Intelligence 0/10
Technical 0/10
Content 3.5/10
Value 6.8/10

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..

$1.00 / 1M
Input Price
$3.00 / 1M
Output Price
131,072 tokens
Context Window
405B Parameters

Architecture

ModalityText → Text
TokenizerOther
Parameters405B

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Model Information

OpenRouter ID nousresearch/hermes-4-405b
Providernousresearch
Release Date August 26, 2025
Context Length131,072 tokens
Status Active

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $1.00 $0.001000
Output $3.00 $0.003000

Live Performance

Live endpoint metrics — refreshed every 30 minutes.

100%
Avg Uptime
422ms
Best Latency (TTFT)
33 tok/s
Best Throughput
1/1
Active Endpoints
Available via: Nebius