https://github.com/ajanraj/OpenChat
Every AI model, one blazing fast workspace - see how they think, schedule what you need
https://github.com/ajanraj/OpenChat
convex exa-search nextjs polar prompt-kit react shadcn-ui t3-chat-alternative vercel-ai-sdk
Last synced: 6 days ago
JSON representation
Every AI model, one blazing fast workspace - see how they think, schedule what you need
- Host: GitHub
- URL: https://github.com/ajanraj/OpenChat
- Owner: ajanraj
- License: apache-2.0
- Created: 2025-03-30T14:34:28.000Z (about 1 year ago)
- Default Branch: main
- Last Pushed: 2026-03-18T14:48:44.000Z (3 months ago)
- Last Synced: 2026-04-29T17:35:24.762Z (about 2 months ago)
- Topics: convex, exa-search, nextjs, polar, prompt-kit, react, shadcn-ui, t3-chat-alternative, vercel-ai-sdk
- Language: TypeScript
- Homepage: https://oschat.ai
- Size: 12.5 MB
- Stars: 147
- Watchers: 3
- Forks: 31
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE.txt
- Agents: AGENTS.md
Awesome Lists containing this project
- awesome-convex - OS Chat - AI personal chat assistant. (Open Source Projects)
README
# OS Chat
[](https://oschat.ai)
[](https://deepwiki.com/ajanraj/OpenChat)
[](https://oschat.ai)
[](https://github.com/ajanraj/OpenChat/commits/main)
[](./LICENSE.txt)
**OS Chat** is a free, open-source AI personal assistant that combines 50+ language models with powerful automation capabilities. Deploy background agents, connect your favorite services (Gmail, Calendar, Notion, GitHub), and get things done through natural conversation.
## 🚀 Why OS Chat?
- **🔓 Open Source T3 Chat Alternative** - Get all the speed and multi-model access of T3 Chat, but open source, self-hostable, and enhanced with background agents and service integrations
- **🤖 Your AI Personal Assistant** - More than chat - deploy background agents, automate workflows, and manage your digital life
- **🔗 Connect Everything** - Direct integration with Gmail, Calendar, Notion, GitHub, Slack, and 10+ more services via Composio
- **⏰ Smart Automation** - Deploy background agents with email notifications - let your assistant work while you sleep
- **🧠 50+ AI Models** - Access the latest from OpenAI, Anthropic, Google, Meta, and more in one interface
- **🎯 Truly Personal** - Customize personality traits, personal context, and preferences for tailored interactions
- **👤 Multi-Profile Setup** - Use separate profiles for Work, Personal, Study, etc. with isolated chats and settings (up to 5 total)
- **🔒 Privacy-First** - Open source, self-hostable, with encrypted API key storage
## ✨ Features
### ⏰ Background Agents & Automation
- **Smart Background Agents** - Deploy AI agents to run one-time, daily, or weekly with timezone awareness
- **Email Notifications** - Get notified when your background agents complete successfully
- **Automated Workflows** - Let your AI assistant handle routine work while you focus on what matters
- **Execution History** - Track and monitor all your background agent runs with detailed logs
### 🔗 Service Connectors & Integrations (via Composio)
- **Gmail Integration** - Access, read, and manage your email messages directly through chat
- **Google Calendar** - View, create, and schedule calendar events seamlessly
- **Google Drive & Docs** - Access files, create documents, and collaborate on projects
- **Notion Workspace** - Read and write to your Notion pages and databases
- **GitHub Management** - Manage repositories, issues, and pull requests
- **Slack, Linear, X (Twitter)** - And 10+ more services
### 🤖 AI & Models
- **50+ AI Models** - Access OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI, Moonshot, Z.AI, MiniMax, and Qwen models
- **Multi-modal Support** - Text, images, and reasoning across all supported models
- **Image Generation** - Create high-quality images with GPT Image 1.5, Nano Banana Pro, Imagen 4, and Flux Schnell
- **Reasoning Models** - View AI thinking process with o3, Claude 4, Gemini Thinking, and DeepSeek R1
- **Web Search Integration** - Real-time internet search using Exa, Tavily, and Brave APIs
### 💬 Chat Management
- **Profile-Based Spaces** - Keep separate threads and preferences per profile (for example: Work vs Personal)
- **Up to 5 Profiles** - 1 default profile plus 4 additional profiles per account
- **Smart Organization** - Automatic grouping by Today, Yesterday, Last 7 Days, etc.
- **Pinned Chats** - Keep important conversations at the top
- **Chat Branching** - Create alternative conversation paths from any assistant message
- **Advanced Search** - Full-text search across chat history with content snippets
- **Data Portability** - Export/import chat history with full data control
### 🎨 Interface & Experience
- **Responsive Design** - Beautiful interface that works on desktop and mobile
- **Theme System** - Beautiful light and dark modes with smooth transitions
- **Keyboard Shortcuts** - Quick access with ⌘+K (search), ⌘+Shift+O (new chat), ⌘+B (toggle sidebar)
- **Real-time Streaming** - Instant message streaming for immediate responses
## 🤖 Available Models
### 💬 Text & Chat Models
- **OpenAI**: GPT-5.2, GPT-5.2 Pro, GPT-5.1, GPT-5, GPT-5 Mini/Nano, GPT OSS 20B/120B, o3, o4 Mini
- **Anthropic**: Claude 4.5 Opus, Claude 4.5 Sonnet, Claude 4.5 Haiku (with reasoning)
- **Google**: Gemini 3 Pro/Flash, Gemini 2.5 Pro/Flash (with thinking)
- **Meta**: Llama 4 Maverick, Llama 4 Scout
- **DeepSeek**: V3.2, V3.1, R1 (with reasoning variants)
- **xAI**: Grok 4.1 Fast, Grok 4, Grok 3
- **Moonshot**: Kimi K2, Kimi K2 Thinking
- **Z.AI**: GLM 4.7, GLM 4.6, GLM 4.5 (with thinking)
- **MiniMax**: M2.1, M2
- **Qwen**: Qwen3 Coder, Qwen3 235B
### 🎨 Image Generation
- **OpenAI**: GPT Image 1.5
- **Google**: Nano Banana Pro, Nano Banana, Imagen 4, Imagen 4 Ultra
- **Fal**: Flux Schnell
## 🛠️ Built with
- [TanStack Start](https://tanstack.com/start) - Full-stack React framework with SSR
- [TanStack Router](https://tanstack.com/router) - Type-safe file-based routing
- [TanStack Query](https://tanstack.com/query) - Powerful data fetching and caching
- [Vite](https://vite.dev) - Next-generation frontend tooling
- [Nitro](https://nitro.build) - Universal server engine
- [React 19](https://react.dev) - UI library with latest features
- [t3-env](https://env.t3.gg) - Type-safe environment variables with Zod
- [Vercel AI SDK v5](https://vercel.com/blog/introducing-the-vercel-ai-sdk) - Model integration and streaming
- [Convex](https://convex.dev) - Real-time backend, authentication, and database
- [Composio](https://composio.dev) - Service integrations (Gmail, Calendar, Notion, GitHub, etc.)
- [shadcn/ui](https://ui.shadcn.com) - Modern component library for UI
- [Framer Motion](https://motion.dev) - Smooth animations and transitions
- [Zustand](https://zustand.docs.pmnd.rs) - Lightweight state management
- [Cloudflare R2](https://developers.cloudflare.com/r2/) - Object storage for file attachments
- [Tailwind CSS v4](https://tailwindcss.com) - Utility-first CSS framework
- [Ultracite](https://ultracite.io) - Lightning-fast linting with Biome
## 🚀 Getting Started
See the **[Installation Guide](./docs/installation.md)** for complete setup instructions.
### Quick Start
```bash
# Clone and install
git clone https://github.com/ajanraj/OpenChat.git
cd OpenChat && bun install
# Set up Convex backend
bunx convex login && bunx convex dev --once
# Configure environment
cp .env.example .env
# Run development server
bun dev
```
Visit [http://localhost:3000](http://localhost:3000) to see OS Chat running locally!
## 📜 Development Commands
| Command | Description |
| ------------------- | -------------------------------------- |
| `bun dev` | Start development server on port 3000 |
| `bun build` | Build for production |
| `bun test` | Run tests with Vitest |
| `bun run lint` | Run Ultracite linter |
| `bun run typecheck` | Run TypeScript type checking with tsgo |
| `bunx convex dev` | Run Convex development server |
## 🗺️ Roadmap
- **Projects & Workspaces** - Organize your chats into projects and workspaces
- **MCP integration** - Model Context Protocol support for enhanced AI capabilities
- **Stream Resuming** - Resume interrupted streams using Redis
## 🤝 Contributing
We welcome contributions! See the [Installation Guide](./docs/installation.md) to set up your development environment.
1. Fork the repository
2. Create your feature branch (`git checkout -b feature/amazing-feature`)
3. Run `bun run lint` and `bun run format` before committing
4. Push to the branch and open a Pull Request
### Areas We'd Love Help With
- Stream resuming using Redis
- Performance optimizations
- MCP integration
- Additional service connectors
## ⚠️ Notes
**Current Status**: Beta Release - OS Chat is actively developed with regular feature updates.
**Compatibility**: Built with TanStack Start, Vite, and Nitro for modern full-stack React architecture.
**Privacy**: All data is processed securely with user control over exports, imports, and data management.
---
Copyright 2025 Ajan Raj. Licensed under the Apache License 2.0.