
Sider is a browser sidebar and assistant that integrates multiple AI models directly into your web browsing experience. It brings models like GPT, Claude, Gemini, and DeepSeek into one interface, allowing users to chat, read, code, and automate repetitive actions across different websites.
Sider is built for anyone who spends significant time in a browser, including researchers, students, developers, shoppers, and professionals looking to handle multiple information sources without switching tabs.
Sider offers multiple subscription tiers ranging from occasional use options to advanced plans with dedicated cloud computers and higher monthly credit quotas.