Agent Browser vs Stagehand
Agent Browser (Vercel Labs) and Stagehand (Browserbase) side by side on public data, as of Oct 10, 2026.
Stagehand has 1.3x the weekly package downloads of Agent Browser (2.1M against 1.7M). Agent Browser has 1.7x the GitHub stars of Stagehand (43.7K against 25.6K). Over the last 30 days downloads moved +60% for Agent Browser and +29% for Stagehand. Agent Browser shipped 20 stable releases in the past 90 days. Stagehand shipped 7 stable releases in the past 90 days.
Side-by-side numbers
| Metric | Agent Browser | Stagehand |
|---|---|---|
| Gid Score | 58 | 59 |
| Overall rank | #33 | #31 |
| Downloads, last 7 days | 1.7M | 2.1M |
| Downloads, 7-day change | down 19.9% | down 10.8% |
| Downloads, 30-day change | up 59.8% | up 29.0% |
| VS Code installs | — | — |
| Marketplace rating | — | — |
| GitHub stars | 43.7K | 25.6K |
| Homebrew installs, 30 days | — | — |
| Hacker News mentions, 30 days | 2 | 17 |
| Latest stable release | 0.39.0 · yesterday | 3.7.3 · 43d ago |
| Stable releases, 90 days | 20 | 7 |
| Terminal-Bench (best run) | — | — |
| Price | Free (OSS) | Free + $20/mo |
| License | Apache-2.0 | MIT |
| First released | January 2026 | October 2024 |
| Interfaces | — | API |
| Models | Any LLM selected by provider/model string (for example openai/gpt-5.4-mini) with your own API key |
Trends
Agent Browser
Browser automation CLI for AI agents
Pricing: Open source under the Apache-2.0 licence; check the website for any paid hosted plans.
Latest release 0.39.0:
- Added an experimental Obscura engine (--engine obscura), launched and cleaned up locally like Chrome with bounded startup and CLI/MCP support. Obscura still has accessibility and rendering gaps,…
- Added private CA trust for CLI HTTPS requests so read, install, upgrade and doctor work behind TLS inspection. --ca-cert now applies to them on every platform, the new --use-system-ca uses the…
- Fixed selector-scoped snapshots (snapshot -s) so elements under ignored wrappers are no longer printed twice and shadow root content of a selected custom element is no longer dropped
- Fixed --auto-connect to wait up to 30s while Chrome 144+ shows the remote-debugging prompt, so it no longer opens repeated prompts or fails with "No running Chrome instance found"
Stagehand
Open-source SDK from Browserbase for building browser agents that mix natural-language actions (act, extract, observe, agent) with code, available in TypeScript, Python and Go and runnable locally or on Browserbase cloud browsers.
Pricing: Stagehand itself is free (MIT). Optional Browserbase cloud browsers: Free $0 (1 browser hour, $5 in model tokens), Developer $20/month (100 hours), Startup $99/month (500 hours), Scale custom; model usage is billed separately.
Latest release 3.7.3:
- #2842 f86e609 Thanks @seanmcguire12! - update the MCP SDK to v1.30 and refresh supporting dependency versions
- #2836 94a0ee4 Thanks @seanmcguire12! - fix cross-frame xpaths building logic for coordinates inside of iframes.