---
## ✨ About
**thom.chat** is an open-source alternative/clone to [T3 Chat](https://t3.chat/), built for [Theo's cloneathon](https://x.com/theo/status/1931515264497254402).
It is self-hostable, by self-hosting your own app and [https://www.convex.dev/](Convex) instance.
While thom.chat is a clone, the featureset is not identical to T3 Chat.
## 🎯 Key Features
### 🤖 **AI & Models**
- **Multiple AI Providers** - OpenAI, Anthropic, Google Gemini, Mistral, Cohere, OpenRouter
- **600+ AI Models** across all providers
- **Bring Your Own API Keys** - Users must provide their own API keys
- **No Usage Limits** - Use any model without restrictions when you have the API key
### 💬 **Chat Experience**
- **Real-time streaming** responses
- **Streaming on the server** for interruption-free chats, even when reloading
- **Chat branching** for exploring different conversation paths
- **Full-text search** across your entire chat history
- **Privacy mode** for secure screen sharing
### 📁 **Rich Content**
- **File uploads** with image support
- **Web search** integration for real-time information
- **Markdown rendering** with syntax highlighting
- **Chat sharing** with public links
### ⚡ **Productivity**
- **Cursor-like rules** for consistent AI behavior
- **Keyboard shortcuts** for power users
- **Enhance prompt** button for better prompts
- **Message regeneration** capabilities
## 🛠️ Tech Stack
|
**Frontend**
- 🔥 SvelteKit
- 📝 TypeScript
- 🎨 Tailwind CSS
- 🍨 Melt UI Components
|
**Backend**
- 🔧 Convex Database
- 🔐 BetterAuth
- 🤖 Kepler AI SDK (Multi-provider support)
- 🦾 Blood, sweat, and tears
|
## 🚀 Quick Start
### Prerequisites
- Node.js 18+
- pnpm (recommended)
- At least one AI provider API key (OpenAI, Anthropic, Gemini, etc.)
### Installation
1. **Clone the repository**
```bash
git clone https://github.com/tglide/thom-chat.git
cd thom-chat
```
2. **Install dependencies**
```bash
pnpm install
```
3. **Environment setup**
```bash
cp .env.example .env
# Edit .env with your configuration
```
4. **Start development server**
```bash
pnpm dev
```
5. **Open your browser**
```
http://localhost:5173
```
## 🎮 Usage
### Getting Started
1. **Sign up** for a free account
2. **Add API Keys** - Go to Settings and add API keys for the providers you want to use:
- **OpenAI** - GPT models, DALL-E, Whisper
- **Anthropic** - Claude models
- **Google Gemini** - Gemini models and vision
- **Mistral** - Mistral models and embeddings
- **Cohere** - Command models and embeddings
- **OpenRouter** - Access to 300+ models
3. **Start Chatting** - Select any model from your enabled providers
### Supported Providers
| Provider | Models | Streaming | Tools | Vision | Embeddings |
|----------|---------|-----------|-------|--------|------------|
| OpenAI | GPT-4, o3-mini, DALL-E, TTS | ✅ | ✅ | ✅ | ✅ |
| Anthropic | Claude 4, Claude 3.5 Sonnet | ✅ | ✅ | ✅ | ❌ |
| Google Gemini | Gemini 2.5 Pro, Imagen | ✅ | ✅ | ✅ | ✅ |
| Mistral | Mistral Large, Mistral Embed | ✅ | ✅ | ❌ | ✅ |
| Cohere | Command A, Command R+ | ✅ | ✅ | ❌ | ✅ |
| OpenRouter | 300+ models | ✅ | ✅ | ✅ | ❌ |
## 🤝 Contributing
We welcome contributions! Please see our [Contributing Guide](CONTRIBUTING.md) for details.
1. Fork the repository
2. Create your feature branch (`git checkout -b feature/amazing-feature`)
3. Commit your changes (`git commit -m 'Add amazing feature'`)
4. Push to the branch (`git push origin feature/amazing-feature`)
5. Open a Pull Request
## 📄 License
This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.
## 🙏 Acknowledgments
- Inspired by [T3 Chat](https://t3.chat/)
- Built with [SvelteKit](https://kit.svelte.dev/)
- Powered by [Kepler AI SDK](https://deepwiki.com/keplersystems/kepler-ai-sdk)
- Database by [Convex](https://convex.dev/)
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