Browser Harness vs Stagehand
Browser Harness (Browser Use) and Stagehand (Browserbase) side by side on public data, as of Oct 21, 2026.
Browser Harness has 1.7x the weekly package downloads of Stagehand (2.3M against 1.4M). Stagehand has 1.4x the GitHub stars of Browser Harness (25.7K against 18.5K). Over the last 30 days downloads moved +32% for Browser Harness and +24% for Stagehand. Browser Harness shipped 6 stable releases in the past 90 days. Stagehand shipped 4 stable releases in the past 90 days.
Which should you choose?
Choose Stagehand if
- you want to use your own model API key
Built from documented features, official prices, status pages and usage data on this page; it does not judge output quality.
Side-by-side numbers
| Metric | Browser Harness | Stagehand |
|---|---|---|
| Gid Score | 54 | 54 |
| Usage data as of | Oct 20 | Oct 20 |
| Rank by Gid Score | #28 | #30 |
| Downloads, last 7 days | 2.3M | 1.4M |
| Downloads, 7-day change | up 51.4% | down 35.0% |
| Downloads, 30-day change | up 31.7% | up 23.9% |
| VS Code installs | — | — |
| Marketplace rating | — | — |
| GitHub stars | 18.5K | 25.7K |
| Homebrew installs, 30 days | — | — |
| Hacker News mentions, 30 days | 3 | 8 |
| Latest stable release | 0.1.13 · 47d ago | 3.7.3 · 54d ago |
| Stable releases, 90 days | 6 | 4 |
| Terminal-Bench (best run) | — | — |
| Price | Free (OSS) | Free + $20/mo |
| License | MIT | MIT |
| First released | April 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
Browser Harness
Browser Harness | Self-healing harness that enables LLMs to complete any task.
Pricing: Open source under the MIT licence; check the website for any paid hosted plans.
Latest release 0.1.13:
- Pin the MCP extra to mcp 2.1.1.
- Pin release build tooling to build 1.6.0 and setuptools 84.0.0.
- Preserve the Chrome permission and macOS accessibility reliability improvements from 0.1.12.
- 251 unit tests passed with the MCP extra.
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: Browserbase offers browser automation and agent infrastructure. Free tier: 1 browser hour ($5 in model tokens), 3 concurrent browsers, limited API calls. Developer $20/month: 100 browser hours then $0.12/hr overage, 25 concurrent browsers, usage-based overages on Search ($5/1k) and Fetch ($1-7/1k) calls. Startup $99/month: 500 browser hours then $0.10/hr, 100 concurrent browsers, higher limits with per-unit overages. Enterprise: custom pricing with 250+ browsers and usage-based billing. Model tokens billed separately on all plans.
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.
Browser Harness vs Stagehand: common questions
How do Browser Harness and Stagehand prices compare?
Browser Harness: Free (OSS). Stagehand: Free + $20/mo. Prices come from each vendor's pricing page.