---
name: Hermes 4 Medium
slug: hermes-4-medium
type: LLM
providers:
  - nano-gpt
description: 'General-purpose chat model for instruction following, writing, and analysis'
tags:
  - open-source
  - nousresearch
  - llm
is_open_source: true
context_window: 128000
max_output: 8192
pricing:
  - image: 0
    input: 0.2006
    output: 0.3995
    provider: nano-gpt
release_date: '2025-07-03'
capabilities:
  audio: false
  vision: false
  tool_use: false
  citations: false
  reasoning: false
---
Hermes 4 Medium is a LLM model.
General-purpose chat model for instruction following, writing, and analysis