---
name: Hermes 4 Large
slug: hermes-4-large
type: LLM
providers:
  - nano-gpt
description: 'Flagship model for demanding analysis, coding, and production agent workflows'
tags:
  - open-source
  - llm
  - nousresearch
is_open_source: true
context_window: 128000
max_output: 8192
pricing:
  - image: 0
    input: 0.3
    output: 1.2
    provider: nano-gpt
release_date: '2025-08-26'
capabilities:
  audio: false
  vision: false
  tool_use: false
  citations: false
  reasoning: false
---
Hermes 4 Large is a LLM model.
Flagship model for demanding analysis, coding, and production agent workflows