Browser Harness vs LaVague

Side-by-side comparison of two AI agent tools

Short answer

  • LaVague has had no commit in 20 months; Browser Harness is actively maintained (204 commits in the last 90 days).
  • Browser Harness is growing faster: +345 GitHub stars in the last 30 days vs +12 for LaVague.
  • Pick Browser Harness for: browser Harness | Self-healing harness that enables LLMs to complete any task. Pick LaVague for: large Action Model framework to develop AI Web Agents.

From GitHub data refreshed daily.

B
Browser Harnessopen-source

Browser Harness | Self-healing harness that enables LLMs to complete any task.

LaVagueopen-source

Large Action Model framework to develop AI Web Agents

Metrics

Browser HarnessLaVague
Stars18.3k6.4k
Star velocity /mo34512.063492063492063
Commits (90d)2040
Releases (6m)100
Overall score0.69847197720518480.21131442902261963

Pros

    • +Well-architected framework with clear separation between World Model (planning) and Action Engine (execution) components
    • +Includes specialized LaVague QA tooling that converts Gherkin specs into automated tests for QA engineers
    • +Strong open-source community adoption with 6,318 GitHub stars and active development

    Cons

      • -Framework complexity may require significant learning curve for developers new to web automation
      • -Depends on external automation tools like Selenium or Playwright, adding infrastructure dependencies

      Use Cases

        • •Automating multi-step web research tasks like gathering installation instructions or documentation
        • •QA test automation by converting business requirements in Gherkin format into executable test suites
        • •Building user-facing automation tools that can navigate websites and perform complex workflows autonomously
        View Browser Harness DetailsView LaVague Details

        FAQ

        Which is more popular, Browser Harness or LaVague?
        Browser Harness has more GitHub stars (18,267 vs 6,394).
        Which is more actively developed, Browser Harness or LaVague?
        Browser Harness had more commits in the last 90 days (204 vs 0).
        Should I use Browser Harness or LaVague?
        Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.