NousResearchListed Aug 16, 2024

Hermes-3-Llama-3.1-405B

Hermes 3 is a cutting-edge language model that offers advanced capabilities in roleplaying, reasoning, and conversation. It's a fine-tuned version of the Llama-3.1 405B foundation model, designed to align…

Source description

Hermes 3 is a cutting-edge language model that offers advanced capabilities in roleplaying, reasoning, and conversation. It's a fine-tuned version of the Llama-3.1 405B foundation model, designed to align with user needs and provide powerful control. Key features include reliable function calling, structured output, generalist assistant capabilities, and improved code generation. Hermes 3 is competitive with Llama-3.1 Instruct models, with its own strengths and weaknesses.

Context window131.1K
Max output16.4K
Parameters405B
Provider endpoints3
Benchmark results0
Measured performance

Benchmark results

All leaderboards ↗
—

No published results in this index yet

Scores appear here when an evaluation matches this exact model.

Access & cost

Prices across providers

3 quotes

Your token mix

USD · listed token rates

DeepInfra · via OpenRouterdeepinfra/fp8 · quantization=fp8
$1.25

OpenRouter

Catalog quote
Input
$1.00
Output
$1.00
USD / 1M tokens
131.1K context16.4K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDnousresearch/hermes-3-llama-3.1-405b
Input
$1.00
Output
$1.00
USD / 1M tokens
131.1K contextPrice source ↗Checked Oct 17, 2026
Endpoint IDNousResearch/Hermes-3-Llama-3.1-405B

DeepInfra

via OpenRouter

deepinfra/fp8 · quantization=fp8

Input
$1.00
Output
$1.00
USD / 1M tokens
131.1K context16.4K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDnousresearch/hermes-3-llama-3.1-405b::deepinfra/fp8

Model specifications

Developer
NousResearch
Modality
Language
Context
131,072 tokens
Maximum output
16,384 tokens
Weights
Open weights
Provider listed
Aug 16, 2024
First discovered
Oct 16, 2026

Exact identities

  • openrouternousresearch/hermes-3-llama-3.1-405b
  • deepinfraNousResearch/Hermes-3-Llama-3.1-405B

Sources

Updated Oct 17, 2026