AI Assistants
AI assistants for Windows
23 of the 58 AI assistants in this directory list a Windows app.
22 of them are free or have a free plan.
Listings checked up to Oct 9, 2026 · Where the facts come from
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| ChatGPTOpenAI's general-purpose AI assistant for chat, images and voice | Free plan · from $8/mo | Yes | Web, macOS, Windows, iOS, Android |
| ClaudeAnthropic's AI assistant for writing, analysis and coding | Free plan · from $17/mo | Yes | Web, macOS, Windows, Linux, iOS, Android, Browser extension |
| GeminiGoogle's AI assistant, tied into Gmail, Docs and other Google apps | Free plan · from $4.99/mo | Yes | Web, macOS, Windows, iOS, Android |
| Microsoft CopilotMicrosoft's AI assistant for chat, images and Microsoft 365 apps | Free plan · from $9.99/mo | Yes | Web, macOS, Windows, iOS, Android |
| DeepSeekFree AI chat assistant built on DeepSeek's openly released models | Free | Free | Web, macOS, Windows, iOS, Android |
| PoeOne app for chatting with AI models from many different labs | Free plan · from $4.99/mo | Yes | Web, macOS, Windows, iOS, Android |
| KimiAI assistant and agent for research, slides, documents and code | Free plan · from $15/mo | Yes | Web, macOS, Windows, iOS, Android, Browser extension |
| Duck.aiPrivate, anonymized chat with third-party AI models | Free plan · from $9.99/mo | Yes | Web, macOS, Windows, iOS, Android |
| LM StudioDesktop app for running open AI models on your own computer | Free plan · from $20/mo | Yes | macOS, Windows, Linux |
| JanOpen-source desktop app for running local and cloud AI models | Free | Free | macOS, Windows, Linux |
| Open WebUISelf-hosted chat interface for local and cloud AI models | Free plan | Yes | Web, macOS, Windows, Linux |
| MonicaAI assistant with many models, built around a browser sidebar | Free plan · from $8.3/mo | Yes | Web, macOS, Windows, iOS, Android, Browser extension |
| SiderAI sidebar for the browser with many models and mobile apps | Free plan · from $9.99/mo | Yes | macOS, Windows, iOS, Android, Browser extension |
| MerlinAI sidebar extension with models from several labs in one account | Free plan | Yes | Web, macOS, Windows, iOS, Android, Browser extension |
| ChatHubAsk several AI models one question and compare answers side by side | Free plan · from $14.99/mo | Yes | Web, macOS, Windows, iOS, Android, Browser extension |
| MstyPrivate AI workspace for local and online models | Free plan · from $149/yr | Yes | Web, macOS, Windows, Linux |
| AnythingLLMOpen-source AI app for documents, agents and local models | Free plan · from $50/mo | Yes | Web, macOS, Windows, Linux, Android |
| Cherry StudioOpen-source desktop AI client for 50+ model providers | Free plan | Yes | macOS, Windows, Linux, iOS, Android |
| ChatboxAI chat client for your own API keys or a hosted model plan | Free plan · from $3.50/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| NextChatLightweight open-source AI chat client you can self-deploy | Free plan | Yes | Web, macOS, Windows, Linux, iOS |
| LangdockModel-agnostic AI chat, agents and workflows for companies | Free trial · from €23.20/mo | Trial only | Web, macOS, Windows, iOS, Android |
| PyGPTOpen-source desktop AI assistant with agents, RAG and local models | Free | Free | macOS, Windows, Linux |
| Maple AIEnd-to-end encrypted AI chat that runs open models in enclaves | Free plan · from $20/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
Common questions
Which AI assistants work on Windows?
23 of the 58 AI assistants in this directory list a Windows app. They are ChatGPT, Claude, Gemini, Microsoft Copilot, DeepSeek, Poe, Kimi, Duck.ai, LM Studio, Jan, Open WebUI, Monica, Sider, Merlin, ChatHub and 8 more.
Which of these AI assistants are free?
ChatGPT, Claude, Gemini, Microsoft Copilot, DeepSeek, Poe, Kimi, Duck.ai, LM Studio, Jan, Open WebUI, Monica, Sider, Merlin, ChatHub and 7 more are free or have a free plan.
When was this checked?
Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.