Radius

ActiveAI-native

Code and browse in the same place

What it does

Radius is a browser where developers can orchestrate agents from their tabs. Ship 100x from a single place where agents can see, navigate, and act on your workspace.

Its site says now · captured 2026-08-23

Radius — Your browser is your IDE | Radius

Radius is a free macOS browser for coding agents. Run Claude Code, Codex, and Cursor in parallel across worktrees — agents, terminals, and diffs all in tabs.

Next to it in Agent infrastructure · browser automation and agent orchestration

  • KaizenY Combinator X25

    Automate anything on the web.

  • TreliumY Combinator F25

    The Agent to Build Your Agents

  • Briefa16z speedrun SR005

    The AI Chief Product Officer

  • Oasisa16z speedrun SR006

    The AI-Native Organization built by Ex-Palantir FDEs

  • KERNELY Combinator S25

    Crazy fast, open source infra for AI agents to use the Internet

  • OmnaraY Combinator S25

    The Open-Source Alternative to Claude Managed Agents

  • ProliferateY Combinator S25

    Do your life's work with agents

  • MetisY Combinator S25

    Infrastructure to build reliable agents