AI assistants in 2026
4 commercial products, ranked by how many people read about each, or about its maker, on Wikipedia's mobile site. Of those with an article of their own, ChatGPT has the most readers, about 731k a month. 12 open-source projects, ranked by GitHub stars and how recently each was worked on. Open WebUI leads with 158k stars, ahead of NextChat. 10 had code pushed in the last three months. Most common licenses: See repository (3), MIT (3) and Apache-2.0 (3).
Commercial AI assistants
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1
ChatGPT OpenAI
Use ChatGPT to answer questions, write, create images, complete work, and code—all in one place. Get started for free or download the app.
Complete system Production-ready You want the most widely used general AI assistant, with business plans that keep your data out of training.
731k readers a month Since 2022 Commercial -
2
Claude Anthropic
Large language model and AI chatbot by Anthropic
Complete system Production-ready You want an assistant strong at long documents, careful writing and coding, with business plans for teams.
61k readers a month Since 2023 Commercial -
3
Google Gemini Google
Chatbot developed by Google
Complete system Production-ready You live in Google's apps and want an assistant that works across Gmail, Docs and Drive, included with many Workspace plans.
46k readers a month Since 2023 Commercial -
4
Microsoft Copilot Microsoft
Microsoft Copilot is AI built to help you get things done. Create, brainstorm, learn, and solve problems with AI chat that works across your day.
Complete system Production-ready Your business runs on Microsoft 365 and wants AI that works inside its documents, mail and meetings with existing permissions.
12k readers a month Since 2023 Commercial
Open-source AI assistants
Complete systems you can adopt 10
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1
Open WebUI open-webui
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
Complete system Production-ready You run local or private models and want a full-featured chat front end for yourself or a team.
★ 158k See repository Python Active, pushed today -
2
NextChat ChatGPTNextWeb
✨ 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.
Complete system Usable You want a fast personal chat front end you can deploy to Vercel or run as a desktop app.
★ 89k MIT TypeScript Active, pushed 13 days ago -
3
LobeHub lobehub
🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.
Complete system Production-ready You want a polished multi-model chat and agent workspace, hosted or self-hosted.
★ 84k See repository TypeScript Active, pushed today -
4
Cherry Studio CherryHQ
Your AI workspace for models, agents, and productivity.
Complete system Production-ready You use several AI providers and want them, plus agents and document search, in one desktop app.
★ 53k AGPL-3.0 TypeScript Active, pushed today -
5
LibreChat LibreChat-AI
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 Auth, Presets, open-source for self-hosting. Active
Complete system Production-ready Your organisation wants one private chat interface over several model providers with user accounts.
★ 47k MIT TypeScript Active, pushed today -
6
Jan janhq
Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.
Complete system Usable You want private, offline AI chat on your own computer without command-line setup.
★ 45k See repository Rust Active, pushed today -
7
Leon leon-ai
🧠 Leon is your open-source personal assistant.
Complete system Experimental You want to experiment with a self-hosted voice assistant you can extend.
★ 18k MIT TypeScript Active, pushed today -
8
DeepChat ThinkInAIXYZ
🐬DeepChat - A smart assistant that connects powerful AI to your personal world
Complete system Usable You want one desktop client for many model providers with MCP tool support.
★ 6.4k Apache-2.0 TypeScript Active, pushed today -
9
Conduit cogwheel0
Native iOS and Android client for Open WebUI, direct OpenAI-compatible, Ollama, and Hermes agents.
Complete system Usable You run Open WebUI or Ollama and want a native phone app instead of the web interface.
★ 2.4k GPL-3.0 Dart Active, pushed today -
10
Librechat-Mobile garfiec
The full LibreChat experience, rebuilt natively for Android and iOS, and it works with whichever LibreChat version your server runs.
Complete system Experimental You or your team use a LibreChat server and want a proper mobile app for it.
★ 143 Apache-2.0 Kotlin Active, pushed today
Compared head to head
Looking for an alternative to
Open-source licenses
- Permissive: 6. Use it anywhere, including in closed products. You keep the copyright notice; Apache-2.0 also grants patent rights.
- Strong copyleft: 2. If you distribute the program or anything built on it, you must release the whole source under the same license.
- Network copyleft: 1. Like GPL, and running a changed version as a web service counts as distributing it, so its users get the source too.
Languages
TypeScript 6, Python 2, Rust 1, Dart 1, Kotlin 1 and JavaScript 1.
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