Fragments
Verified Oct 2, 2026 ActiveOpen-source Next.js app that turns prompts into runnable apps in sandboxes, a self-hostable take on Claude Artifacts.
Listed on EffectHub ·
Pricing
- Pricing model
- 100% Free
The code is free under Apache-2.0 and the hosted demo requires only a sign-in. Self-hosting needs your own E2B account for sandboxes, which has its own pricing, plus a key for each LLM provider you use.
Use tool ↗About Fragments
Fragments is an Apache-2.0 reference app from E2B that works like Claude Artifacts or v0: you describe an app, a model writes the code, and it runs live inside an E2B cloud sandbox next to the chat. It supports a Python interpreter, Next.js, Vue, Streamlit and Gradio, can install npm and pip packages, and works with providers such as OpenAI, Anthropic, Google, Mistral, Groq and Ollama. A hosted demo exists, but the main use is cloning the repository to build your own AI app generator. You supply an E2B key and an LLM key.
- Platforms
- Web
- API
- No
- Last verified
- Oct 2, 2026
Verified sources
- Hosted demo: open-source version of Anthropic's Artifacts by E2Bfragments.e2b.dev ↗
- Repository: Apache-2.0, supported stacks and LLM providers, created July 2024github.com ↗
- E2B's terms name FoundryLabs, Inc., a Delaware corporation, as the operatore2b.dev ↗
Is Fragments legit?
We don’t label tools safe or unsafe. Below are the records we checked ourselves, each with the date we read it.
- Last checked
- Oct 2, 2026The site answered
- On the market since
- 2024The vendor's own material, read by us
- Operated by
- FoundryLabs, Inc. (E2B), United StatesOur research, card verified Oct 2, 2026
Pros & cons of Fragments
Best treated as a starter kit rather than a finished product: it shows how to build a chat-to-app builder with sandboxed execution, and gives you a working base to fork. Skip it if you just want a polished hosted app builder.
Pros
- Apache-2.0 license with an active public repository
- Runs generated Python, Next.js, Vue, Streamlit and Gradio apps in isolation
- Works with many model providers, including local Ollama
- Easy to add your own stacks and models
Cons
- Requires an E2B account and an LLM key to run anywhere
- Hosted demo is a showcase, not a supported service
- No dedicated pricing or support of its own
Best for
- Developers who want to build their own Artifacts-style app generator
- Teams prototyping AI code execution inside isolated sandboxes
- Anyone who wants to try several LLM providers behind one code-gen UI
Not for
- Non-technical users who want a managed vibe-coding service
- Teams that need production support or an SLA
Watch out: Running it yourself means paying for E2B sandbox time and LLM tokens separately, so a public deployment can rack up usage fast unless you add rate limits.
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