# Code execution sandboxes There are 19 code execution in the index. 19 sandbox providers. Also on the [web page](https://agentsandboxes.fyi/global/online/category/code-execution). ## Sandbox providers 1. [Daytona](https://agentsandboxes.fyi/global/online/daytona.md), Code execution, Online: Isolated sandboxes for AI-generated code: Linux containers by default, plus VM, GPU, Windows and macOS runtimes. 2. [E2B](https://agentsandboxes.fyi/global/online/e2b.md), Code execution, Online: Firecracker microVM sandboxes for agent-generated code, with pause/resume and filesystem snapshots. 3. [Freestyle](https://agentsandboxes.fyi/global/online/freestyle.md), Dev environments, Online: Full Linux VMs for agents: 65ms boot, live forking, pause/resume and persistent snapshots. 4. [AWS AgentCore](https://agentsandboxes.fyi/global/online/aws-agentcore.md), Code execution, Online: Bedrock agent runtime where each session gets a dedicated microVM; per-second billing, plus code-interpreter and browser tools. 5. [Blaxel](https://agentsandboxes.fyi/global/online/blaxel.md), Dev environments, Online: Perpetual microVMs that suspend to zero when idle and resume in about 25ms with filesystem and memory state intact. 6. [Cloudflare Sandbox](https://agentsandboxes.fyi/global/online/cloudflare-sandbox.md), Code execution, Online: Sandboxed Linux containers driven from a Worker and billed per 10ms of active CPU; a Dynamic Worker mode runs pure JavaScript. 7. [CodeSandbox SDK](https://agentsandboxes.fyi/global/online/codesandbox-sdk.md), Dev environments, Online: Programmatic microVM sandboxes on CodeSandbox infrastructure, with memory snapshots, hibernation and credit pricing. 8. [Fly Sprites](https://agentsandboxes.fyi/global/online/fly-sprites.md), Dev environments, Online: Persistent Firecracker computers for agents: sleep-when-idle billing, durable storage and one-second checkpoints. 9. [Judge0](https://agentsandboxes.fyi/global/online/judge0.md), Open source, Online: GPL-3.0 code-execution engine covering more than 70 languages; self-host it or use the hosted service. 10. [Microsandbox](https://agentsandboxes.fyi/global/online/microsandbox.md), Open source, Online: Open-source libkrun microVM sandbox server, plus a cloud metered in computer-hours. 11. [Modal](https://agentsandboxes.fyi/global/online/modal.md), Code execution, Online: Serverless gVisor sandboxes that scale to large parallel fleets; GPU sandboxes and snapshots are supported. 12. [Northflank](https://agentsandboxes.fyi/global/online/northflank.md), Dev environments, Online: Platform running microVM (Kata) or gVisor sandboxes on its cloud or your own VPC, with sub-second boots and GPU support. 13. [Riza](https://agentsandboxes.fyi/global/online/riza.md), Code execution, Online: Code Interpreter API that runs untrusted Python, JavaScript, TypeScript, Ruby and PHP inside WebAssembly isolation. 14. [Vercel Sandbox](https://agentsandboxes.fyi/global/online/vercel-sandbox.md), Code execution, Online: Firecracker microVMs created from a Vercel project, with managed OCI images and filesystem snapshots on stop. 15. [Morph](https://agentsandboxes.fyi/global/online/morph.md), Code execution, Online: Full-VM sandboxes with instant snapshot, branch and restore; Python and TypeScript SDKs. 16. [OpenSandbox](https://agentsandboxes.fyi/global/online/opensandbox.md), Open source, Online: Apache-2.0 open sandbox platform for agent workloads, with container isolation on Docker or Kubernetes. 17. [Piston](https://agentsandboxes.fyi/global/online/piston.md), Open source, Online: MIT-licensed code-execution engine with a free public API, run per job in resource-limited sandboxes. 18. [HopX](https://agentsandboxes.fyi/global/online/hopx.md), Code execution, Online: Firecracker microVM sandboxes billed per second, with no session limit. 19. [ForeverVM](https://agentsandboxes.fyi/global/online/forevervm.md), Code execution, Online: MIT-licensed stateful Python machines that never expire; idle machines swap to disk and resume on demand. ## Other categories in Online - [Dev environments](https://agentsandboxes.fyi/global/online/category/dev-environments.md): 8 sandbox providers - [Open source](https://agentsandboxes.fyi/global/online/category/open-source.md): 8 sandbox providers - [Browser sessions](https://agentsandboxes.fyi/global/online/category/browser.md): 3 sandbox providers - [Computer use](https://agentsandboxes.fyi/global/online/category/computer-use.md): 2 sandbox providers - [Evals and RL](https://agentsandboxes.fyi/global/online/category/evals-rl.md): 2 sandbox providers > **Check before you choose.** Vendor specs and prices change. Follow the cited source on each listing before you pick a provider.