What is 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.
What is Sable used for?
Researchers, developers, and knowledge workers use Sable to combine AI chat and web browsing in one workspace with on-device AI and instant citations.
How much does Sable cost?
Pros and cons
Pros
- Open-source desktop browser distributed on GitHub for full transparency
- On-device free AI model works without an API key or subscription
- Drop a paragraph into chat to get an instant citation back
- Drag tabs to split into side-by-side panes or group into workspaces
- BYOK support for Anthropic and OpenAI when you want frontier-quality answers
Cons
- New and unproven, with limited documentation and track record
- Frontier-quality answers require your own paid Anthropic or OpenAI API key
- Desktop-only, so no mobile or web version
- On-device model quality is lower than cloud frontier models
Questions about Sable
What is Sable?
Sable is an open-source desktop AI browser where chat and web pages share one workspace. You can drop a paragraph into chat for an instant citation, split or group tabs by dragging them, and run a free AI model on-device without any API key.
Is Sable free?
Yes. Sable is open-source and includes a free AI model that runs on-device at no cost. You only pay if you bring your own Anthropic or OpenAI API key (BYOK) for frontier-quality answers, in which case you pay those providers directly.
Does Sable require an API key to use AI features?
No. Sable ships with a free on-device AI model that works without any API key. Bringing your own Anthropic or OpenAI key is optional and only needed when you want higher-quality frontier model responses.
Who is Sable for?
Sable is aimed at researchers, developers, and knowledge workers who want AI chat and browsing in one place, value open-source transparency, and prefer local-first, privacy-friendly on-device AI over copy-pasting between a browser and a separate chatbot.
What makes Sable different from a normal browser plus a chatbot?
Sable unifies chat and pages in a single workspace, so citations stay attached to your sources, tabs can be dragged to split or group, and a free on-device model runs locally instead of routing every query to a cloud service.
What are the best alternatives to Sable?
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