---
name: 'Nous: Hermes 4 405B'
slug: nous-hermes-4-405b
type: LLM
providers:
  - kilo
description: >-
  Reasoning model for deliberate analysis, multi-step problem solving, and tool
  use
tags:
  - reasoning
  - nousresearch
  - llm
is_open_source: false
context_window: 131072
max_output: 26215
pricing:
  - image: 0
    input: 1
    output: 3
    provider: kilo
release_date: '2025-08-26'
capabilities:
  audio: false
  vision: false
  tool_use: false
  citations: false
  reasoning: true
---
Nous: Hermes 4 405B is a LLM model.
Reasoning model for deliberate analysis, multi-step problem solving, and tool use