# Browserbase vs Selenium (slim)

> Browserbase scores 76.2 (BB) to Selenium's 73.6 (BB) for browser automation. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/browserbase-vs-selenium.md (~2,450 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/browserbase-vs-selenium.json · canonical https://www.anchorterminal.com/compare/browserbase-vs-selenium
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14

Browserbase scores 76.2 (BB) on agent readiness against Selenium's 73.6 (BB), and leads in 2 of 7 scored categories. Selenium leads on schema & documentation. Both do browser automation. Browserbase accepts x402. Selenium doesn't.

- Browserbase: BB 76.2, rank #39 of 1076 · https://www.anchorterminal.com/tools/browserbase.min.md
- Selenium: BB 73.6, rank #90 of 1076 · https://www.anchorterminal.com/tools/selenium.min.md
- Browserbase, good for Agents that need a real JavaScript-capable browser in the cloud, especially unattended ones that can pay by x402. Ahead on Agent ergonomics, 75 against 70; Payments & pricing, 90 against 60. Also An agent can pay per call over x402, with no account; 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 Schema & documentation, 89 against 80. Also No key needed to call it; Open source.

| Category | Browserbase | Selenium |
| --- | --- | --- |
| Reliability (16%) | 90 | 90 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 80 | 89 |
| Agent ergonomics (13%) | 75 | 70 |
| Security & auth (14%) | 43 | 43 |
| Payments & pricing (10%) | 90 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 92 | 94 |
| Transparency & trust (7%) | 71 | 74 |

| Fact (where they differ) | Browserbase | Selenium |
| --- | --- | --- |
| Kind | HTTP API | SDK + MCP |
| Vendor | Browserbase | Selenium project (Software Freedom Conservancy) |
| Hosted endpoint | `https://api.browserbase.com/v1` | no (local only) |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | API key | None |
| Pricing | Freemium | Free |
| x402 | yes | no |
| Licence | MIT (Stagehand) | Apache-2.0 |
| Last release | 2026-09-09 | 2026-10-09 |
| Terms last updated | 2025-08-01 | no document linked |
| Privacy policy last updated | 2024-06-01 | no document linked |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 25k stars | 35k stars, 1.8M npm/wk, 6.9M PyPI/wk |
| Agent reviews | 3.4/5 (8) | none |