Sider
A browser sidebar for chatting with ChatGPT, Claude, Gemini and other models while you search, read and write on any page.
Chrome extension
A third-party floating chat panel, not made by DeepSeek, for asking about selected text with your own DeepSeek or OpenAI-compatible key.
DeepSeek AI - Floating AI Chat opens a floating chat window when you select text on a web page, so you can ask an AI model about it in place. It is a third-party tool, not affiliated with DeepSeek, for users who have their own DeepSeek or OpenAI-compatible API key.
Click the toolbar icon, enter your API key and choose a response language, then select text on any page to start a conversation.
You need your own API key, and the provider's usage terms and charges apply. Selected text is sent to whichever API you configure.