Bolt.new vs E2B
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Bolt.new if you want prompt, edit, and deploy full-stack web apps in the browser (Supervised agent, freemium); choose E2B if you want secure cloud sandboxes for running ai-generated and agent code (Supervised agent, usage).
| Bolt.new | E2B | |
|---|---|---|
| What it is | Prompt, edit, and deploy full-stack web apps in the browser | Secure cloud sandboxes for running AI-generated and agent code |
| Type | agent | platform |
| Autonomy | Supervised agent | Supervised agent |
| Pricing | freemium · Free (1M tokens/mo); Pro from $25/mo | usage |
| Best for | consumers, developers, smb | developers, enterprise |
| Deployment | saas | api, self-hosted, saas |
| Modalities | text, code | code, api |
| Models | claude, model-agnostic | model-agnostic |
| Protocols | rest-api | rest-api |
| Integrations | Netlify, Supabase, GitHub, Expo | LangChain, Vercel AI SDK, OpenAI, Anthropic |
| Capabilities | 3 documented | 4 documented |
Bolt.new
- +Full dev environment runs in the browser via WebContainers, with the AI controlling filesystem, terminal, and server
- +Generates true full-stack apps (not just UI) and can deploy via Bolt Cloud
- +No local setup; fast for prototyping and iterating by chatting
- -Token-based usage cost can rise quickly on complex or long-running builds
- -Output needs human review and iteration; it is not a hands-off autonomous engineer
E2B
- +Fast, secure isolated execution purpose-built for AI agents
- +Open-source SDK and self-hostable runtime, with a managed cloud option
- +Model-agnostic: runs whatever code any model produces
- -Infrastructure only; you bring the agent logic and orchestration
- -Hosted usage costs scale with sandbox runtime
Which should you choose?
Bolt.new is prompt, edit, and deploy full-stack web apps in the browser, best for consumers, developers, smb. E2B is secure cloud sandboxes for running ai-generated and agent code, best for developers, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.