E2B
Open-source cloud sandboxes for running AI-generated code securely in Firecracker microVMs
E2B provides secure, isolated cloud sandboxes for executing AI-generated code. Each sandbox runs in a Firecracker microVM, starts in ~80ms, and can run up to 24 hours. Python and JavaScript/TypeScript SDKs let you start and control sandboxes programmatically. Anything that runs on Linux runs in an E2B sandbox. Common use cases include AI code interpreters, data analysis agents, and any AI agent that needs to execute code safely. The Hobby tier is free with a $100 usage credit.
Pricing: Usage-based / monthly subscriptions
E2B Alternatives
Explore 49 products in the Agents category. View all E2B alternatives.
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Web scraping API that turns any URL into clean Markdown or JSON for LLMs, with an open-source Rust core and MCP server
AutoGen
Microsoft's multi-agent framework, in maintenance mode since 2026; Microsoft points new projects to Agent Framework
LangGraph
Low-level framework for building stateful, long-running AI agents with graph-based orchestration
Pydantic AI
Type-safe Python agent framework with Pydantic validation, tool calling, and dependency injection
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