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…☆163,318Updated this week
- Langflow is a powerful tool for building and deploying AI-powered agents and workflows.☆149,153Updated this week
- The agent engineering platform.☆138,156May 31, 2026Updated last week
- 21 Lessons, Get Started Building with Generative AI☆111,641Updated this week
- The agent that grows with you☆181,402Updated this week
- Implement a ChatGPT-like LLM in PyTorch from scratch, step by step☆96,674Updated this week
- ✨ Light and Fast AI Assistant. Support: Web | iOS | MacOS | Android | Linux | Windows☆88,180May 15, 2026Updated 3 weeks ago
- 🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire …☆78,074Updated this week
- 🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.☆75,338Mar 11, 2026Updated 2 months ago
- Examples and guides for using the OpenAI API☆73,986Updated this week
- 🙌 OpenHands: AI-Driven Development☆75,701Updated 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…☆70,809Jan 25, 2026Updated 4 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☆66,283Updated this week
- A natural language interface for computers☆63,803Updated 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。☆60,489Apr 28, 2026Updated last month
- A programming framework for agentic AI☆58,726Apr 15, 2026Updated last month
- 利用AI大模型，一键生成高清短视频 Generate short videos with one click using AI LLM.☆80,694Updated this week
- 🔮 ChatGPT Desktop Application (Mac, Windows and Linux)☆54,387Aug 29, 2024Updated last year
- Universal memory layer for AI Agents☆57,641Updated this week
- omo; the one and only agent harness for complex codebases; the pickaxe for complex software engineering☆60,560Jun 1, 2026Updated last week
- Build AI Agents, Visually☆53,245May 30, 2026Updated last week
- 🤱🏻 Turn any webpage into a desktop app with one command.☆49,685Jun 1, 2026Updated last week
- aider is AI pair programming in your terminal☆45,850May 22, 2026Updated 2 weeks ago
- A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.☆44,259Updated this week
- Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.☆42,869Updated this week
- ☆41,580Dec 30, 2025Updated 5 months ago
- Lightweight, open-source AI agent for your tools, chats, and workflows.☆43,820Updated this week
- Powerful AI Client☆40,274Jun 1, 2026Updated last week
- A generative speech model for daily dialogue.☆39,381Apr 10, 2026Updated last month
- Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products wi…☆39,170Jul 9, 2025Updated 10 months ago
- Extracted system prompts from Anthropic - Opus 4.7, Opus 4.6, Sonnet 4.6. OpenAI - ChatGPT 5.5 Thinking, GPT 5.5 Instant, Codex. Google G…☆41,121Updated 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…☆38,136Nov 10, 2025Updated 6 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。☆38,360May 17, 2026Updated 3 weeks ago
- OpenAssistant is a chat-based assistant that understands tasks, can interact with third-party systems, and retrieve information dynamical…☆37,410Aug 17, 2024Updated last year
- Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, O…☆38,464Updated this week
- Curso para aprender el lenguaje de programación Python desde cero y para principiantes. 100 clases, 44 horas en vídeo, código, proyectos …☆35,830Aug 11, 2025Updated 9 months ago
- Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. …☆34,791Mar 26, 2026Updated 2 months ago
- 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 …☆34,602Jan 9, 2026Updated 4 months ago
- AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw a…☆33,926Updated this week
- Build resilient agents.☆33,800Updated this week