Fragments by E2B vs OpenSandbox

Side-by-side comparison of two AI agent tools

Short answer

  • OpenSandbox is growing faster: +420 GitHub stars in the last 30 days vs +25 for Fragments by E2B.
  • Pick Fragments by E2B for: open-source Next.js template for building apps that are fully generated by AI. Pick OpenSandbox for: secure, Fast, and Extensible Sandbox runtime for AI agents.

From GitHub data refreshed daily.

Fragments by E2Bopen-source

Open-source Next.js template for building apps that are fully generated by AI. By E2B.

O
OpenSandboxopen-source

Secure, Fast, and Extensible Sandbox runtime for AI agents.

Metrics

Fragments by E2BOpenSandbox
Stars6.4k15.6k
Star velocity /mo25.0531914893617420
Commits (90d)111.5k
Releases (6m)010
Overall score0.455689496308316460.8477859325591006

Pros

  • +Comprehensive multi-stack support with 5 different development environments (Python, Next.js, Vue.js, Streamlit, Gradio)
  • +Secure code execution through E2B SDK isolation, allowing safe running of AI-generated code
  • +Extensive LLM provider compatibility supporting 8+ providers including OpenAI, Anthropic, and local models via Ollama

    Cons

    • -Requires multiple API keys (E2B + LLM provider) which adds setup complexity and ongoing costs
    • -Dependency on E2B's cloud infrastructure for code execution may introduce latency or availability concerns
    • -Limited to predefined stack templates, requiring custom development to add new frameworks or languages

      Use Cases

      • •Building AI coding assistants that can generate, execute, and iterate on full applications in real-time
      • •Creating educational platforms where students can experiment with AI-generated code safely
      • •Developing rapid prototyping tools for businesses to quickly generate and test application concepts

        FAQ

        Which is more popular, Fragments by E2B or OpenSandbox?
        OpenSandbox has more GitHub stars (15,631 vs 6,381).
        Which is more actively developed, Fragments by E2B or OpenSandbox?
        OpenSandbox had more commits in the last 90 days (1,548 vs 11).
        Should I use Fragments by E2B or OpenSandbox?
        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.