melchat

100+ AI models. One command. Zero backend.

npx melchat

That's it. Open your browser and start chatting with GPT-4, Claude, Gemini, Llama, Qwen, DeepSeek, and 100+ more models.

Why melchat?

Feature	melchat	Others
Models supported	100+	1-5
File size	69KB	10MB+
Backend required	No	Usually
Install time	3 seconds	Minutes
Free models	Yes	Rarely

Quick Start

# Run instantly (no install needed)
npx melchat

# Or install globally
npm install -g melchat
melchat

Supported Models

Free Tier (No API key needed via OpenRouter)

Gemma 2 9B
Llama 3.1 8B
Phi-3 Medium
Qwen 2 7B
MiMo V2

Frontier Models

OpenAI: GPT-4o, GPT-4 Turbo, GPT-3.5
Anthropic: Claude 3.5 Sonnet, Claude 3 Opus
Google: Gemini Pro, Gemini Flash
Meta: Llama 3.3 70B, Llama 3.1 405B
DeepSeek: V3, R1
Qwen: 2.5 72B, QwQ 32B

Image & Video Generation

Flux.1 (text-to-image)
Kling 2.6 Pro (text-to-video)
Z-Image Turbo (fal.ai)

Local Models

Ollama endpoints
RunPod
vLLM
Any OpenAI-compatible API

Features

Streaming responses - Real-time token streaming
Conversation history - Saved locally in browser
Token counter - Track usage and costs
Code highlighting - Syntax highlighting for 100+ languages
Mobile responsive - Works on any device
Export chats - Markdown, JSON, or plain text
System prompts - Customize AI behavior
Multi-language UI - EN, DE, FR, CS, UK, RU

CLI Options

melchat [options]

Options:
  -p, --port <port>   Port to run on (default: 3000)
  --no-open           Don't auto-open browser
  -h, --help          Show help

Configuration

Get a free API key from OpenRouter
Run npx melchat
Click the gear icon and paste your key
Start chatting!

For local models, enter your endpoint URL (e.g., http://localhost:11434/v1 for Ollama).

Deploy Anywhere

melchat is a single HTML file. Deploy it anywhere:

# GitHub Pages (already configured)
# Netlify (drag & drop)
# Vercel (one click)
# Any static host

Or just open dist/index.html directly in your browser.

Tech Stack

Vanilla JavaScript (no framework)
Zero runtime dependencies
marked.js for Markdown
highlight.js for code

Contributing

PRs welcome! This is a single-file app at dist/index.html.

git clone https://github.com/melvincarvalho/melchat
cd melchat
npx melchat

License

AGPL-3.0

Star this repo if you find it useful!

GitHub | Issues | OpenRouter

melvincarvalho/melchat