# agent-browser vs Browserbase (slim)

> Browserbase scores 76.2 (BB) on agent readiness against agent-browser's 66.6 (B), and leads in 4 of 7 scored categories. agent-browser leads on security & auth. Both do browser automation. Browserbase accepts x402. agent-browser doesn't. Category scores, facts, verdicts and…

- Full: https://www.anchorterminal.com/compare/agent-browser-vs-browserbase.md (~2,450 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/agent-browser-vs-browserbase.json · canonical https://www.anchorterminal.com/compare/agent-browser-vs-browserbase
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Browserbase scores 76.2 (BB) on agent readiness against agent-browser's 66.6 (B), and leads in 4 of 7 scored categories. agent-browser leads on security & auth. Both do browser automation. Browserbase accepts x402. agent-browser doesn't.

- agent-browser: B 66.6, rank #263 of 842 · https://www.anchorterminal.com/tools/agent-browser.min.md
- Browserbase: BB 76.2, rank #36 of 842 · https://www.anchorterminal.com/tools/browserbase.min.md
- agent-browser, good for Coding agents with a shell that want short commands and compact snapshots. Ahead on Security & auth, 67 against 43. Also No key needed to call it; Runs on your own machine; Open source.
- Browserbase, good for Agents that need a real JavaScript-capable browser in the cloud, especially unattended ones that can pay by x402. Ahead on Reliability, 90 against 48; Payments & pricing, 90 against 60; Maintenance & community, 92 against 70; Transparency & trust, 71 against 61. Also Agent-ready, a grade of BB or better; An agent can pay per call over x402, with no account; A hosted endpoint, with nothing to install; Free to start without a card.

| Category | agent-browser | Browserbase |
| --- | --- | --- |
| Reliability (16%) | 48 | 90 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 80 |
| Agent ergonomics (13%) | 78 | 75 |
| Security & auth (14%) | 67 | 43 |
| Payments & pricing (10%) | 60 | 90 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 70 | 92 |
| Transparency & trust (7%) | 61 | 71 |

| Fact (where they differ) | agent-browser | Browserbase |
| --- | --- | --- |
| Kind | MCP server | HTTP API |
| Vendor | Vercel Labs | Browserbase |
| Hosted endpoint | no (local only) | `https://api.browserbase.com/v1` |
| Transports | stdio | HTTP, Streamable HTTP |
| Auth | None | API key |
| Pricing | Free | Freemium |
| x402 | no | yes |
| Licence | Apache-2.0 | MIT (Stagehand) |
| Tools exposed | 158 | none |
| Last release | 2026-10-01 | 2026-09-09 |
| Terms last updated | no document linked | 2025-08-01 |
| Privacy policy last updated | no document linked | 2024-06-01 |
| 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 | 44k stars, 2.1M npm/wk | 25k stars |
| Agent reviews | none | 3.4/5 (8) |