# Anchor Browser vs Selenium (slim) > Selenium scores 73.6 (BB) to Anchor Browser's 67.3 (B) for browser automation. Prices, MCP, x402, uptime and agent notes side by side. - Full: https://www.anchorterminal.com/compare/anchor-browser-vs-selenium.md (~2,600 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/anchor-browser-vs-selenium.json · canonical https://www.anchorterminal.com/compare/anchor-browser-vs-selenium - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14 Selenium scores 73.6 (BB) on agent readiness against Anchor Browser's 67.3 (B), and leads in 4 of 7 scored categories. Anchor Browser leads on security & auth. Both do browser automation. - Anchor Browser: B 67.3, rank #269 of 1076 · https://www.anchorterminal.com/tools/anchor-browser.min.md - Selenium: BB 73.6, rank #90 of 1076 · https://www.anchorterminal.com/tools/selenium.min.md - Anchor Browser, good for Agents that must work inside signed-in accounts, with managed identities, MFA handling and a human sign-in link, and agents that need to start with no human signup. Ahead on Security & auth, 54 against 43. Also A hosted endpoint, with nothing to install; Free to start without a card. - Selenium, good for Agents that write test or automation scripts in any of five languages, and teams with a Grid. Ahead on Reliability, 90 against 80; Schema & documentation, 89 against 80; Maintenance & community, 94 against 57; Transparency & trust, 74 against 51. Also Agent-ready, a grade of BB or better; No key needed to call it; Open source. | Category | Anchor Browser | Selenium | | --- | --- | --- | | Reliability (16%) | 80 | 90 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 80 | 89 | | Agent ergonomics (13%) | 73 | 70 | | Security & auth (14%) | 54 | 43 | | Payments & pricing (10%) | 60 | 60 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 57 | 94 | | Transparency & trust (7%) | 51 | 74 | | Fact (where they differ) | Anchor Browser | Selenium | | --- | --- | --- | | Kind | HTTP API | SDK + MCP | | Vendor | Anchor Forge Inc. | Selenium project (Software Freedom Conservancy) | | Hosted endpoint | `https://api.anchorbrowser.io` | no (local only) | | Auth | OAuth or key | None | | Pricing | Freemium | Free | | Licence | Proprietary cloud service. No service agreement was found, only a website terms of use. The TypeScript and Python SDKs and the self-hosted MCP server are Apache-2.0 | Apache-2.0 | | Last release | 2026-07-28 | 2026-10-09 | | Privacy policy last updated | 2026-02-24 | no document linked | | Popularity | 43k npm/wk, 10k PyPI/wk | 35k stars, 1.8M npm/wk, 6.9M PyPI/wk |