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E2B

Secure sandboxed code execution for AI agents

Free + $100 credits | Pro $150/moAgentsLast verified: 2026-01-25

Overview

E2B provides open-source cloud infrastructure for running AI-generated code in secure isolated sandboxes. Powered by Firecracker microVMs, sandboxes start in under 200ms and can run for up to 24 hours. Used by 88% of Fortune 100 companies including Perplexity, Groq, Manus, and Hugging Face.

Works with

REST APIOpenAIAnthropicLangChainLlamaIndex

Pricing

FreeHobby

One-time $100 credits
Up to 1-hour sandbox sessions
Up to 20 concurrent sandboxes
10 GiB storage included
Community support
2 vCPU default

MOST POPULAR

$150/moPro

Everything in Hobby
Up to 24-hour sandbox sessions
Up to 100 concurrent sandboxes
20 GiB storage included
Customizable CPU (1-8 vCPU)
Customizable RAM (512MB-8GB)
Priority support

CustomEnterprise

Custom pricing
Custom concurrency limits
Deploy in your cloud (AWS/GCP/Azure)
VPC deployment
Dedicated support
Custom SLAs

Pros

+Sandboxes start in under 200ms
+Used by Perplexity, Groq, Manus, Hugging Face
+Free $100 credits to start
+Runs any language (Python JS Ruby C++)
+Up to 24-hour sessions on Pro
+SOC 2 compliant with Firecracker isolation
+200+ MCP tools via Docker partnership
+Open source with self-hosting option

Cons

-$150/mo jump from free to Pro
-Usage costs add up with heavy compute
-1-hour session limit on free tier
-Customizable CPU/RAM only on Pro

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