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 E2B | OpenSandbox | |
|---|---|---|
| Stars | 6.4k | 15.6k |
| Star velocity /mo | 25.0531914893617 | 420 |
| Commits (90d) | 11 | 1.5k |
| Releases (6m) | 0 | 10 |
| Overall score | 0.45568949630831646 | 0.8477859325591006 |
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.