Four Line

Your ultimate AI command center. Access OpenAI, Claude, Gemini, Grok, and Kimi in a powerful split-view dashboard.

Four Line is your ultimate unified AI workspace, designed to supercharge your productivity by bringing the world's best AI models into a single, seamless, side-by-side dashboard. Let's stop the endless tab-switching and start working smarter. Instead of managing a messy sea of browser windows, Four Line allows you to access and compare responses from leading AIs—including ChatGPT, Claude, Gemini, Grok, and Kimi—simultaneously. Ask a question once and instantly see how different models parse it, or multitask by having a writing assistant open next to a coding assistant. Key Features: - Split-View Dashboard: View and interact with multiple AI services side-by-side in real-time. - Unmatched Flexibility: Effortlessly add, rename, and organize any web application into your unified space. - Customizable Layouts: Toggle between single-mode and multi-column split views to fit your workflow needs. - Persistent Sessions: Four Line remembers your active URLs and layout configurations across reloads so you never lose your place. - Focus-Driven UI: Features a clean, distraction-free interface with a collapsible sidebar and system/light/dark themes. - Absolute Privacy: Four Line runs entirely in your browser. Your conversations with Kimi, ChatGPT, or Claude remain strictly between you and the respective AI service. Whether you're a developer comparing code generation, a researcher cross-referencing facts, or a writer looking for the best creative angle, Four Line puts the power of the internet's most capable AI engines directly at your fingertips.