Context
131K tokens (~66 books)
Input $/1M
$1.00
Output $/1M
$3.00
Type
text
License
Open Source
Benchmarks
0 tested
Data as of
About
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...
No benchmark data available yet.
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Documentation
Community
Source Code
BenchGecko API
hermes-4-405b
Specifications
- Typetext
- Context131K tokens (~66 books)
- ReleasedAug 2025
- LicenseOpen Source
- StatusActive
- Cost / Message~$0.005
Available On
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Frequently Asked Questions
Hermes 4 405B is an open-source text AI model by nousresearch, released in August 2025. Context window: 131K tokens.
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Key facts · as of 2026-10-05
- Hermes 4 405B by nousresearch. Not enough public benchmark scores to rank yet.
- List price $1.00 input · $3.00 output per 1M tokens (as of 2026-10-05).
- Sold by 1 provider (as of 2026-10-05): Nebius (fp8) $1.00 in / $3.00 out.
How to cite · data as of 2026-10-05
Hermes 4 405B · benchmarks, pricing and providers. BenchGecko, data as of 2026-10-05. https://benchgecko.ai/model/hermes-4-405b
Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP