Modelspage

Hermes 4 405B

Reasoning model for deliberate analysis, multi-step problem solving, and tool use

nousresearch/hermes-4-405b
Lab
Nousresearch
Family
hermes
Providers
6
Context
131,072
Output limit
117,964
Knowledge
2024-08
Release
2025-08-26
Updated
2025-08-26
Weights
Open
Input
Output types
Capabilities
tools, reasoning, temperature

Providers

6
Providers
CortecsNousresearchhermes-4-405b128,000128,000$0.996 / $2.989NoYesYesNo
Kilo GatewayNousresearchnousresearch/hermes-4-405b131,072117,964$1.00 / $3.00YesNoYesYes
NanoGPTNousresearchNousResearch/hermes-4-405b128,0008,192$0.30 / $1.20NoNoYesYes
NanoGPTNousresearchNousResearch/hermes-4-405b:thinking128,0008,192$0.30 / $1.20NoNoYesYes
Nebius Token FactoryNousresearchNousResearch/Hermes-4-405B131,0728,192$1.00 / $3.00YesYesYesYes
OpenRouterNousresearchnousresearch/hermes-4-405b131,072117,964$1.00 / $3.00YesNoYesYes
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How to use

Modelspage lets you browse models, compare providers, and explore rankings. Open a model for its specifications and provider prices.

API

You can access provider data, provider-agnostic model metadata, or the combined catalog through JSON endpoints. Specialized model types are omitted by default; the site includes all model types.

Logos

Provider logos are available at /logos/{provider}.svg where {provider} is the provider ID. Lab logos are available at /logos/labs/{lab}.svg.

Upstream SDK

The models.dev SDK provides typed catalog queries and upstream snapshots for offline use.

Contribute

The model catalog is stored in GitHub as TOML files organized by provider and canonical model.