CodeSandbox

CodeSandbox is ranked #4 of 136 in coding playgrounds on Freedom251, made by CodeSandbox (Amsterdam, Netherlands). It runs on Web, iOS.

CodeSandbox plans and pricing

All plans

Build Not published 5 members · 40 hours monthly VM credits · 4 vCPUs · 8 GiB RAM codesandbox.io · 22 Sept 2026

Scale Not published 20 members · 160 hours monthly VM credits · 1,000 new Sandboxes per hour · 250 concurrent VMs · 10,000 SDK requests per hour · 16 vCPUs and 32 GiB RAM codesandbox.io · 22 Sept 2026

Enterprise Not published Unlimited members · Custom storage · Custom hourly request limits · 64 vCPUs · 128 GiB RAM codesandbox.io · 22 Sept 2026

Compared on coding playgrounds

Free plan: Yes
Workspace config: devcontainer
VCS hosts: github
Prebuilds: Yes
Persistent storage: Yes

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Free8.0

CodeSandbox

SDK purpose: Programmatically spin up dev environments for instant code execution.
Free access: The page offers free starts and trials.
Code isolation: Every environment runs in isolation for safer untrusted code execution.
VM scalability: The service says it can handle millions of concurrent VMs.
Snapshot resume: Development can resume in the same sandbox after inactivity using snapshots.
VM start speed: MicroVMs can be spun up, cloned, and restored from snapshots within 2 seconds.
Hibernation control: Users can customize inactivity periods before automatic hibernation.
Parallel agents: Multiple agents can run in parallel without interfering with each other.
Agent A/B testing: Forking supports A/B testing of different agents.
CI/CD support: Tests can run inside sandboxes, which can hibernate after completion.
Storybook integration: Storybook Integration provides a code playground for every story.
Browser coding: Sandpack enables live coding in the browser.
VS Code support: CodeSandbox lists a VS Code Extension as an ecosystem feature.
Together AI relationship: CodeSandbox is now part of Together AI and joined forces on CodeSandbox SDK.

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Where it ranks on Freedom251

Best Coding Playgrounds in 2026#4 of 136
Best Code Playground Software in 2026#9 of 57
Best Web Development IDEs in 2026#15 of 43
Best Cloud Development Environments in 2026#8 of 27
Best Sandbox Software in 2026#7 of 22

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Sources

codesandbox.io· checked 27 Sept 2026
codesandbox.io/pricing· checked 22 Sept 2026