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Attribute

Nous Research

Hermes 4 405B
frontier
Overview
CompanyNous Research
Version4
Tierfrontier
Released2025-08-26
Open weightsYes
Parameters405.9B
StatusActive
Pricing (USD per 1M tokens)
Input$1.00
Output$3.00
Cached input$0.20
Batch input—
Batch output—
Blended (3 in : 1 out)$1.50
Est. cost per token$0.0000015
Capacity
Context window131K
Max output118K
Inputstext
Features
CachingYes
JSON schemaYes
ReasoningYes
Task fit (heuristic, 1–5)
coding5 / 5
reasoning5 / 5
math5 / 5
summarization5 / 5
extraction5 / 5
classification5 / 5
chat5 / 5
creative5 / 5
translation5 / 5
vision1 / 5
long context3 / 5
agentic3 / 5

Prices are USD per 1M tokens from vendor price lists. “—” means the vendor does not publish it.