opendia vs BrowserOS
Browser automation for AI agents compared
opendia connects MCP-compatible AI clients to an existing browser through a local server and extension. BrowserOS provides Chromium-based desktop browsers, including one for agent-driven tasks and another with an AI assistant; it is a broader browser project rather than an extension-based connection to a browser you already use.
opendia: Connect AI Models to Your Browser
OpenDia is an MCP server and browser extension that lets compatible AI clients inspect and control your existing browser. It suits people who want local browser automation across their logged-in sessions, tabs, and pages.
BrowserOS: Run AI Agents in a Chromium Browser
BrowserOS is a Chromium-based browser project with two modes: BrowserOS neo lets MCP-compatible AI agents work in your logged-in tabs, while BrowserOS adds an AI agent for people browsing. It runs on macOS, Windows, and Linux, with sessions kept on your machine.
| opendia | BrowserOS | |
|---|---|---|
| Language | JavaScript | TypeScript |
| License | MIT | AGPL-3.0 |
| Stars | 1.9k | 14k |
| Forks | 163 | 1.5k |
| Last analyzed | Oct 3, 2026 | Oct 18, 2026 |
Key differences
- opendia adds AI control to existing Chrome, Firefox, and other Chromium-based browsers; BrowserOS provides Chromium-based desktop browsers.
- opendia is a JavaScript MCP server and browser extension; BrowserOS is a larger project with TypeScript, Rust, Go, C++, and Python components.
- opendia is licensed under MIT; BrowserOS uses AGPL-3.0, which may affect distribution of modified versions or service offerings.
- opendia operates locally by default and offers optional ngrok tunneling; BrowserOS stores session data, screenshots, and history locally, and reports anonymous product-usage events that can be disabled.
- opendia supports browser inspection and actions such as clicks, form entry, and tab management; BrowserOS neo supports multiple agent tasks in separate tabs and offers a dashboard for active and recorded sessions.
- opendia lists Chrome and Firefox support; BrowserOS neo supports macOS and Windows, while BrowserOS also supports Linux.
Choose opendia if you…
- need AI clients to interact with pages and sessions in a browser you already use.
- want browser inspection, navigation, form entry, and tab management through an MCP server.
- prefer a JavaScript project licensed under MIT.
Choose BrowserOS if you…
- want a Chromium-based browser designed for agent tasks on logged-in websites.
- need an AI assistant built into a browser you control, or a separate browser for agent work.
- want features such as Chrome imports, concurrent agent tabs, and session replay.
Compare the numbers side by side, or add more projects
This comparison is generated with AI from the OSRepos analyses of both projects. Always check each project's repository and documentation before choosing.