Which is more popular, Fragments by E2B or Cua?

Cua has more GitHub stars (27,747 vs 6,382).

Which is more actively developed, Fragments by E2B or Cua?

Cua had more commits in the last 90 days (1,409 vs 10).

Should I use Fragments by E2B or Cua?

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.

Fragments by E2B vs Cua

Side-by-side comparison of two AI agent tools

Short answer

Cua is growing faster: +2,970 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 Cua for: scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation.

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.

Cuaopen-source

Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation, and data generation.

Metrics

	Fragments by E2B	Cua
Stars	6.4k	27.7k
Star velocity /mo	25.07936507936508	3.0k
Commits (90d)	10	1.4k
Releases (6m)	0	10
Overall score	0.4501392846261406	0.9092592394174208

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 Details View Cua Details

FAQ

Which is more popular, Fragments by E2B or Cua?: Cua has more GitHub stars (27,747 vs 6,382).
Which is more actively developed, Fragments by E2B or Cua?: Cua had more commits in the last 90 days (1,409 vs 10).
Should I use Fragments by E2B or Cua?: 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.