Fragments by E2B vs herdr

Side-by-side comparison of two AI agent tools

Short answer

  • herdr is growing faster: +3,330 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 herdr for: the runtime your coding agents live on.

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.

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herdropen-source

the runtime your coding agents live on

Metrics

Fragments by E2Bherdr
Stars6.4k41.8k
Star velocity /mo25.05319148936173.3k
Commits (90d)11803
Releases (6m)010
Overall score0.455689496308316460.8948656855696061

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
        View Fragments by E2B DetailsView herdr Details

        FAQ

        Which is more popular, Fragments by E2B or herdr?
        herdr has more GitHub stars (41,756 vs 6,381).
        Which is more actively developed, Fragments by E2B or herdr?
        herdr had more commits in the last 90 days (803 vs 11).
        Should I use Fragments by E2B or herdr?
        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.