Hermes 3 Llama 3.1 405B is Nous Research's language model with a 131K context window and up to 16K output tokens, available from 3 providers, starting at $1.00 / 1M input and $1.00 / 1M output. A 405B-parameter Llama 3.1-based LLM from Nous Research fine-tuned for advanced roleplaying, reasoning, and agentic multi-turn conversation.
Specifications
Canonical IDnousresearch-hermes-3-llama-3-1-405b
TypeLanguage
StatusActive
CreatorNous ResearchNous Research
Providers
Context Window131K tokens
Max Output16K tokens
Input ModalitiesText
Output ModalitiesText
Parameters405B
Release Date · 2 years ago
Knowledge Cutoff · 2 years ago

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities3/13
Reasoning·
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
DeepInfra logo
DeepInfra
deepinfra/NousResearch/Hermes-3-Llama-3.1-405B
$1.00$1.00
Nebius logo
Nebius
nebius/NousResearch/Hermes-3-Llama-3.1-405B
$1.00$3.00
OpenRouter logo
OpenRouter
nousresearch/hermes-3-llama-3.1-405b
$1.00$1.00

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Llama 3.3 70B Instruct131K$0.100$0.200Available
Llama 3.2 3B Instruct131K$0.015$0.020Deprecated
Llama 3.2 1B Instruct131K$0.027$0.080Deprecated
Llama 3.2 11B128K$0.160$0.160Available
Llama 3.1 405B Instruct131K$0.120$0.300Deprecating
Llama 3.1 70B Instruct131K$0.120$0.300Available
Llama 3.1 8B Instruct200K$0.020$0.030Available
Llama 3.1 70B128K$0.360$0.360Available
Llama 3.1 8B131K$0.030$0.050Available
Llama 3 70B Instruct131K$0.120$0.300Deprecated
Hermes 3 Llama 3.1 405B131K$1.00$1.00Current

Model IDs

deepinfra/NousResearch/Hermes-3-Llama-3.1-405B
nebius/NousResearch/Hermes-3-Llama-3.1-405B
nousresearch-hermes-3-llama-3-1-405b
nousresearch/hermes-3-llama-3.1-405b
NousResearch/Hermes-3-Llama-3.1-405B
nousresearch/hermes-3-llama-3.1-405b:free