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No. 8 of 22 ·Sandbox Software

E2B

Web · Linux · Self-hosted · API · paid plans from $150/mo

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Freedom report

Two barsScore 6.4

  • Free tierA free tier is on its own pricing page
  • Open codeNo open-source code on record
  • Runs widely2 of 6 device platforms
  • DocumentedPlans, terms and facts published

E2B provides isolated Linux machines for AI agents, with infrastructure managed by E2B or deployed in a customer's cloud. Each agent session runs in a Firecracker microVM with its own kernel and an API for execution, networking, storage, secrets, observability, and lifecycle management. Its Code Interpreter SDK runs Python or JavaScript and can return charts, tables, and images. Desktop supplies a screen, mouse, keyboard, and live stream for computer-use agents. E2B lists integrations with SDKs and frameworks including CrewAI, Agno, Mastra, OpenAI Agents SDK, Google ADK, and LangChain Deep Agents. E2B Cloud is available in US, EU, and APAC regions. Enterprise BYOC places sandboxes in a customer's AWS, Google Cloud, or Azure account. The runtime is Apache-2.0 licensed and self-hostable. Hobby is free plus usage costs and includes a one-time $100 usage credit, sessions up to one hour, and 20 concurrent sandboxes. Pro costs $150 per month plus usage costs; sessions can run up to 24 hours, with 100 concurrent sandboxes, expandable to 1,100.

Who it is for

E2B suits developers building AI agents that need isolated execution environments. Enterprise BYOC is available for customers who want sandboxes in their own cloud account.

What is good

  • Each sandbox has its own Firecracker microVM and kernel.
  • Code Interpreter supports Python and JavaScript.
  • Cloud regions include US, EU, and APAC.
  • Runtime is Apache-2.0 licensed and self-hostable.

What to know first

  • Hobby sessions are limited to one hour.
  • Hobby includes 20 concurrent sandboxes.
  • Pro costs $150 per month plus usage costs.
  • BYOC is available on Enterprise plans.

Verdict

E2B offers managed or self-hosted isolated environments with APIs, code interpretation, and desktop support for agents. The free plan has session and concurrency limits, while Pro adds longer sessions for a monthly fee plus usage costs.

E2B plans and pricing

All plans
Hobby Free FREE + Usage Costs $100 one-time usage credit · sessions up to 1 hour · 20 concurrent sandboxes · default sandbox CPU and RAM e2b.dev · 29 Sept 2026
Pro $150/mo $150 /month + Usage Costs Sessions up to 24 hours · 100 concurrent sandboxes, expandable to 1,100 · custom sandbox CPU and RAM e2b.dev · 29 Sept 2026
Enterprise Not published CUSTOM + Usage Costs Committed usage and custom billing · multi-day and persistent sessions · tens of thousands of concurrent sandboxes · custom sizes and BYOC deployment e2b.dev · 29 Sept 2026

Compared on sandbox software

Free plan
Yes
Paid from
$150/mo
Isolation method
snapshot
Concurrent environments
100 environments
Persistent storage
Yes
Network controls
Yes
API or CLI access
Yes
Deployment
both

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