Registry › Compare › Agent Browser vs BrowserOS

Agent Browser vs BrowserOS

Agent Browser leads on trust: 87.7/100 (Grade A) against 66.0/100 (Grade B), a 21.7-point gap. Agent Browser leads on adoption and provenance, and rests on broader evidence; BrowserOS leads on maintenance.

A Agent Browser 87.7

Browser automation CLI for AI agents

vercel-labs/agent-browser · #46 overall · #5 Browser & Computer Use · coverage B (3/5)

Choose Agent Browser if adoption and provenance matter most.

+9.5Adoption: 43.2k GitHub stars against 13.8k
+7.2Identity / Provenance: package provenance attested, against none
+7.1Safety / Integrity: 100% of recent commits signed, against 97%
B vs CEvidence coverage: 3 of 5 independent signal types, against 2

B BrowserOS 66.0

🌐 The open-source Agentic browser; alternative to ChatGPT Atlas, Perplexity Comet, Dia.

browseros-ai/BrowserOS · #442 overall · #14 Browser & Computer Use · coverage C (2/5)

Choose BrowserOS if maintenance matters most.

+1.6Maintenance

Where they differ

18.1

Safety / IntegrityAgent Browser +7.1

11.0

18.0

Identity / ProvenanceAgent Browser +7.2

10.8

12.3

TransparencyBrowserOS +0.4

12.7

18.3

MaintenanceBrowserOS +1.6

19.9

19.4

AdoptionAgent Browser +9.5

9.9

+1.6

Runtime calibrationBrowserOS +0.1

+1.7

Full evidence table

An independent, evidence-based trust comparison of Agent Browser and BrowserOS, 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.

Full evidence

Signal	Agent Browservercel-labs/agent-browser	BrowserOSbrowseros-ai/BrowserOS
HVTrust score	87.7	66.0
Evidence grade	A	B
Coverage grade	B	C
Overall rank	#46	#442
Rank in Browser & Computer Use	#5	#14
GitHub stars	43.2k	13.8k
Last updated	2d ago	2d ago
Build provenance	Yes	No
OSSF Scorecard	4.5 / 10	4.9 / 10
License	Apache-2.0	AGPL-3.0
Downloads	1.6M/wk	—
Trust dimensions (points earned)
Safety / integrity / 25	18.1	11.0
Identity & provenance / 18	18.0	10.8
Transparency / 17	12.3	12.7
Maintenance / 20	18.3	19.9
Adoption / 20	19.4	9.9
Runtime capability surface (full matrix)
MCP server	Implemented	Implemented
External providers	3 — Amazon Bedrock, Browserbase, Redis	1 — Amazon Bedrock
Requires API keys	Yes	No
Plugin surface	plugins	plugins
Provenance drift	Match	—

Open in the live compare tool → Agent Browser profile BrowserOS profile More Browser & Computer Use →

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 →