Open-source alternatives to ChatGPT
Free, open-source, downloadable replacements for ChatGPT
Cross-platform AI chat assistant client — ✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.
alternative to ChatGPT
Local-first AI agent and document chat app. — Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience
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Desktop AI chat client for multiple LLM providers. — AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs
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Multi-model AI chat assistant interface — Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User A…
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Open-source chat assistant that can use tools. — OpenAssistant is a chat-based assistant that understands tasks, can interact with third-party systems, and retrieve information dynamically to do so.
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GUI for ChatGPT, LLMs and file-based QA. — GUI for ChatGPT API and many LLMs. Supports agents, file-based QA, GPT finetuning and query with web search. All with a neat UI.
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An enhanced client for OpenAI's ChatGPT. — An amazing UI for OpenAI's ChatGPT (Website + Windows + MacOS + Linux)
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Minimal web UI for ChatGPT. — Minimal web UI for ChatGPT.
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A personal AI agent with memory and personality. — A personal AI agent with memory, personality, and autonomy.
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Unified UI for ChatGPT, Midjourney and AI tools. — One UI is all done with chatgpt web, midjourney, gpts,suno,luma,runway,viggle,flux,ideogram,realtime,pika,udio; Simultaneous support Web / PWA / Linux / Win / MacOS platform
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ChatGPT assistant living in your Mac menubar. — ChatGPT for Mac, living in your menubar.
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AI chat assistant inside Feishu/Lark — 🎒 飞书 ×（GPT-4 + GPT-4V + DALL·E-3 + Whisper）= 飞一般的工作体验 🚀 语音对话、角色扮演、多话题讨论、图片创作、表格分析、文档导出 🚀
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Free web UI for chatting with GPT models without an API key. — GPT 3.5/4 with a Chat Web UI. No API key required.
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Unofficial Linux desktop app for ChatGPT and Codex. — Unofficial ChatGPT desktop app for Linux (formerly the Codex app), built locally from OpenAI’s official macOS app. Includes Chat, Work, and Codex. Packages for Debian/Ubuntu (.deb), Fedora/openSUSE (.rpm), Arch (pacman), Nix/NixOS, and AppImage, with Wayland and X11 support.
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Self-hosted privacy-focused AI assistant ecosystem. — Claraverse is a opesource privacy focused ecosystem to replace ChatGPT, Claude, N8N, ImageGen with your own hosted llm, keys and compute. With desktop, IOS, Android Apps.
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Web chat interface for ChatGPT API — ChatGPT interface with better UI
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A clean web client for ChatGPT. — Elegant and Powerfull. Powered by OpenAI and Vercel.
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Self-hosted ChatGPT web interface. — 基于ChatGPT3.5 API实现的私有化web程序
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Native Swift app for Core ML image generation — Swift app demonstrating Core ML Stable Diffusion
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Intelligent English input method for Mac/Windows — hallelujahIM(哈利路亚 英文输入法) is an intelligent English input method with auto-suggestions and spell check features.
Open-source ChatGPT client with realistic voice. — An open-source ChatGPT app with a voice
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Free multi-platform ChatGPT client. — **ShellGPT is a free chatgpt client, now Supported online search.no need for a key, no need to log in.Multi-node automatic speed measurement switch,Long text translation with no word limit, AI graphics.免费的chatgpt客户端，已支持联网搜索,无需密钥，无需登录,多节点自动测速切换,长文翻译不限字数,AI出图**
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Web interface for OpenAI-compatible chat APIs. — ChatGPT web interface using the OpenAI API
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Multi-AI model aggregation chat assistant. — Aila(AI超元域): The premier AI integration tool for Windows, macOS, and Android. Ask once, get answers from 10+ AIs like ChatGPT, Gemini, Claude3, Copilot, Poe, perplexity and more. Features customizable AI and prompts.
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Native macOS chat client for open-source LLMs. — Making the community's best AI chat models available to everyone.
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Third-party ChatGPT web UI built with Vue and Express. — A third-party ChatGPT Web UI page built with Express and Vue3, through the official OpenAI completion API. / 用 Express 和 Vue3 搭建的第三方 ChatGPT 前端页面, 基于 OpenAI 官方 completion API.
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Cross-platform AI chat client with workspaces. — AI as Workspace - An elegant AI chat client. Full-featured, lightweight. Support multiple workspaces, plugin system, cross-platform, local first + real-time cloud sync, Artifacts, MCP | 更好的 AI 客户端
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Self-hosted ChatGPT mirror and API gateway. — 🚀 一键部署个人的 ChatGPT 镜像站
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Self-hosted ChatGPT web application — A commercially-viable ChatGpt web application built with React. 使用React搭建的一款可商业化的ChatGpt Web应用。
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Offline AI art, chat, and voice companion — Offline inference engine for art, real-time voice conversations, LLM powered chatbots and automated workflows
alternative to ChatGPT、Midjourney、ElevenLabs
Desktop AI chat workspace for multiple LLMs. — gpt6 Astra-claude-grok4.7-deepseekv4.1flash-glm5.3-gemini破甲越狱 · 冷咖啡 BREAK//OPEN 工作台
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A web mirror client for ChatGPT. — A mirror of ChatGPT based on the gpt-3.5-turbo model.
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Private on-device AI assistant browser extension. — NativeMind: Your fully private, open-source, on-device AI assistant
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Mobile AI assistant integrating multiple LLMs. — AI Group is a powerful mobile intelligent assistant application that integrates multiple large language models (LLMs) and AI services, providing you with a convenient intelligent interaction experience.
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Free access to GPT, Claude and Llama in Raycast. — Raycast extension to use GPT, Claude, Llama, and more... all for FREE! + Full support for custom APIs.
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Multi-model AI chat application — AI model square and chat with AI.
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Multi-platform AI chat and image generation app. — 超级AI大脑一个基于SpringCloud微服务架构，已对接GPT-3.5、GPT-4.0、百度文心一言、stable diffusion AI绘图、Midjourney绘图等。支持web，Android，IOS，H5多端应用，使用了OpenAI的ChatGPT模型实现了智能聊天机器人。用户可以在界面上与聊天机器人进行对话，聊天机器人会根据用户的输入自动生成回复。同时也支持画图，用户输入文本，便可以自动制作文生文生图。持续更新中，更多功能等着你来解锁
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Pure JavaScript ChatGPT web client. — Pure Javascript ChatGPT demo based on OpenAI API
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