ChatGPT, developed by OpenAI, is an advanced natural language processing (NLP) AI model based on the GPT (Generative Pretrained Transformer) architecture. It facilitates interactive conversations by generating human-like text responses, making it an invaluable tool for application developers looking to enhance user experiences with chat-based interfaces. Leveraging ChatGPT involves integrating its capabilities into applications to perform real-time text analysis, respond to user queries, or provide customer support. Its adaptability and ability to comprehend context make it suitable for various applications, such as virtual assistants, automated customer service, and conversational agents. Developers can incorporate ChatGPT through APIs, enabling seamless deployment across web, mobile, and desktop platforms. The underlying model is continuously improved, providing developers with access to cutting-edge advancements in machine learning to ensure more accurate and coherent responses, ultimately elevating user engagement and satisfaction.
View the most prominent open source ChatGPT projects in the list below. Click on a specific project to view its alternative or complementary packages. Make comparisons and find the best package for your app.
- f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organi…☆160,386Updated this week
- Langflow is a powerful tool for building and deploying AI-powered agents and workflows.☆147,409Updated this week
- The agent engineering platform☆134,826Updated this week
- 21 Lessons, Get Started Building with Generative AI☆109,913Updated this week
- The agent that grows with you☆109,299Updated this week
- Implement a ChatGPT-like LLM in PyTorch from scratch, step by step☆91,222Apr 16, 2026Updated last week
- ✨ Light and Fast AI Assistant. Support: Web | iOS | MacOS | Android | Linux | Windows☆87,762Dec 2, 2025Updated 4 months ago
- The ultimate space for work and life — to find, build, and collaborate with agent teammates that grow with you. We are taking agent harne…☆75,654Updated this week
- 🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.☆73,700Mar 11, 2026Updated last month
- Examples and guides for using the OpenAI API☆72,870Updated this week
- 🙌 OpenHands: AI-Driven Development☆72,145Updated this week
- 为GPT/GLM等LLM大语言模型提供实用化交互接口，特别优化论文阅读/润色/写作体验，模块化设计，支持自定义快捷按钮&函数插件，支持Python和C++等项目剖析&自译解功能，PDF/LaTex论文翻译&总结功能，支持并行问询多种LLM模型，支持chatglm3等本地模型…☆70,544Jan 25, 2026Updated 3 months ago
- The official gpt4free repository | various collection of powerful language models | opus 4.6 gpt 5.3 kimi 2.5 deepseek v3.2 gemini 3☆66,062Updated this week
- A natural language interface for computers☆63,256Updated this week
- ChatGPT 中文调教指南。各种场景使用指南。学习怎么让它听你的话。☆59,300Jan 1, 2025Updated last year
- A programming framework for agentic AI☆57,354Apr 15, 2026Updated last week
- 利用AI大模型，一键生成高清短视频 Generate short videos with one click using AI LLM.☆56,337Updated this week
- 🔮 ChatGPT Desktop Application (Mac, Windows and Linux)☆54,367Aug 29, 2024Updated last year
- Universal memory layer for AI Agents☆54,199Updated this week
- omo; the best agent harness - previously oh-my-opencode☆54,161Updated this week
- Build AI Agents, Visually☆52,280Updated this week
- 🤱🏻 Turn any webpage into a desktop app with one command.☆48,154Updated this week
- aider is AI pair programming in your terminal☆43,900Updated this week
- A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.☆42,829Apr 21, 2026Updated last week
- Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.☆42,078Updated this week
- ☆41,265Dec 30, 2025Updated 3 months ago
- "🐈 nanobot: The Ultra-Lightweight Personal AI Agent"☆40,792Updated this week
- Powerful AI Client☆39,659Apr 9, 2026Updated 2 weeks ago
- A generative speech model for daily dialogue.☆39,162Apr 10, 2026Updated 2 weeks ago
- Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products wi…☆39,120Jul 9, 2025Updated 9 months ago
- Extracted system prompts from ChatGPT (GPT-5.4, GPT-5.3, Codex), Claude (Opus 4.6, Sonnet 4.6, Claude Code), Gemini (3.1 Pro, 3 Flash, CL…☆38,856Updated this week
- Langchain-Chatchat（原Langchain-ChatGLM）基于 Langchain 与 ChatGLM, Qwen 与 Llama 等语言模型的 RAG 与 Agent 应用 | Langchain-Chatchat (formerly langchain…☆37,907Nov 10, 2025Updated 5 months ago
- Free ChatGPT&DeepSeek API Key，免费ChatGPT&DeepSeek API。免费接入DeepSeek API和GPT4 API，支持 gpt | deepseek | claude | gemini | grok 等排名靠前的常用大模型。☆37,514Apr 13, 2026Updated 2 weeks ago
- OpenAssistant is a chat-based assistant that understands tasks, can interact with third-party systems, and retrieve information dynamical…☆37,422Aug 17, 2024Updated last year
- Enhanced ChatGPT Clone: Features Agents, MCP, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRoute…☆35,938Updated this week
- Curso para aprender el lenguaje de programación Python desde cero y para principiantes. 100 clases, 44 horas en vídeo, código, proyectos …☆35,306Aug 11, 2025Updated 8 months ago
- Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. …☆34,238Mar 26, 2026Updated last month
- LLM API 管理 & 分发系统，支持 OpenAI、Azure、Anthropic Claude、Google Gemini、DeepSeek、字节豆包、ChatGLM、文心一言、讯飞星火、通义千问、360 智脑、腾讯混元等主流模型，统一 API 适配，可用于 key …☆32,337Jan 9, 2026Updated 3 months ago
- AI Agent Assistant that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alternative. ✨☆30,510Updated this week
- Build resilient language agents as graphs.☆30,538Updated this week