Browser4 vs Stagehand
An independent, evidence-based trust comparison of Browser4 and Stagehand, two Browser & Computer Use projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Stagehand leads on trust — 87.2/100 (Grade A) vs 76.8/100 (Grade B), a 10.4-point gap. Full breakdown below.
| Signal | Browser4platonai/Browser4 | Stagehandbrowserbase/stagehand |
|---|---|---|
| HVTrust score | 76.8 | 87.2 |
| Evidence grade | B | A |
| Coverage grade | B | A |
| Overall rank | #103 | #32 |
| Rank in Browser & Computer Use | #8 | #2 |
| GitHub stars | 1.1k | 24.1k |
| Last updated | 1d ago | today |
| Build provenance | Yes | Yes |
| OSSF Scorecard | 4.8 / 10 | 5.0 / 10 |
| License | Apache-2.0 | MIT |
| Downloads | 987/wk | 1.4M/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 13.6 | 18.8 |
| Identity & provenance / 18 | 18.0 | 18.0 |
| Transparency / 17 | 12.6 | 12.8 |
| Maintenance / 20 | 19.9 | 19.3 |
| Adoption / 20 | 11.3 | 18.7 |
| Runtime capability surface (full matrix) | ||
| MCP server | Declared | Declared |
| External providers | 3 — DeepSeek, OpenAI, OpenRouter | 3 — Anthropic, Browserbase, OpenAI |
| Requires API keys | Yes | Yes |
| Plugin surface | extensions | extensions |
| Provenance drift | Match | Match |
How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.3 →