ComfyUI Razv LLM Node

Custom ComfyUI node for integrating Claude API with image and text capabilities.

Features

• Text-based chat with Claude models
• Optional image input support
• Configurable model selection (Claude Opus 4.1, Claude Sonnet 4, Claude 3.5 Sonnet, Claude 3.5 Haiku)
• Adjustable parameters (temperature, max tokens, system prompt)

Installation

Option 1: ComfyUI Manager (Recommended)

1. Open ComfyUI Manager
2. Search for "razv-llm"
3. Click Install

Option 2: Git Clone

cd ComfyUI/custom_nodes
git clone https://github.com/razvanmatei-sf/razv-llm.git
cd razv-llm
pip install -r requirements.txt

Configuration

Set your Anthropic API key using one of these methods:

1. Environment variable: ANTHROPIC_API_KEY or CLAUDE_API_KEY
2. Direct input in the node's API key field

Usage

1. Add the "RazvLLMChat" node to your workflow
2. Connect an image (optional) and provide a text prompt
3. Configure model and parameters as needed
4. Execute to get Claude's response

Node Parameters

• prompt: Text input for Claude
• model: Choose between Claude Opus 4.1, Claude Sonnet 4, Claude 3.5 Sonnet, or Claude 3.5 Haiku
• temperature: Control response randomness (0.0 - 1.0)
• max_tokens: Maximum response length
• system_prompt: Optional system message to guide Claude's behavior
• api_key: Your Anthropic API key (if not set via environment)

Requirements

• ComfyUI
• Python 3.8+
• See requirements.txt for Python dependencies

License

MIT