Sable

Sable is an open-source AI browser that merges chat and web pages into a single workspace for researchers, developers, and knowledge workers. Instead of switching between a browser and a separate AI chatbot, Sable puts an in-context AI assistant alongside your tabs: drop a paragraph into the chat and get an instant citation back, so sources stay attached to what you're reading. Tabs are drag-and-droppable, letting you split them into side-by-side panes or group them into workspaces that match how you actually work. A free AI model runs directly on-device, so basic AI features work without an API key or a subscription, and your queries don't have to leave your machine. When you want frontier-quality answers, Sable supports BYOK (bring your own key) for Anthropic and OpenAI models, so you pay those providers directly and only when you opt in. As a desktop app distributed on GitHub, Sable targets people who care about open-source transparency, local-first privacy, and keeping browsing and AI reasoning in one place rather than copy-pasting between apps.

Researchers, developers, and knowledge workers use Sable to combine AI chat and web browsing in one workspace with on-device AI and instant citations.