E2B

An open-source cloud platform that runs one isolated microVM per agent session for executing AI-generated or untrusted code, with snapshots, shells, filesystems, browsing, networking and pause/resume. Supports both its own cloud and bring-your-own-cloud.

Website

https://e2b.dev/

Who it's for

Agent builders who need secure, isolated execution for coding agents, computer use, data analysis and evaluations.

Pricing

Hobby free (one-time $100 usage credit, 1-hour sessions, 20 concurrent sandboxes); Pro $150/mo plus per-second usage (24-hour sessions, up to 1,100 concurrent); Enterprise custom.

Category

Agent operations

Last verified

2026-10-22 (current)

Confidence

high

Key facts

• Apache 2.0 licensed and open source
• Each sandbox is a Firecracker microVM with a full machine per session
• Boots from snapshot; supports pause and resume
• SDK templates for Claude Code, Codex, OpenAI Agents SDK, CrewAI and Mastra
• SOC 2 Type II; bring-your-own-cloud on AWS, GCP or Azure

Sources

Every claim above is drawn from these; we do not publish unsourced specifications.

• https://e2b.dev/
• https://sandbox.watch/p/e2b

Notes & uncertainties

Compute is billed per second in addition to the plan fee. Vendor-published adoption figures are unverified.

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