# Best AI sandboxes and runtimes, ranked by real usage

the week of Oct 25–31, 2026. Canonical page: https://index.devtoolwatch.com/categories/sandboxes-and-runtimes/

| Rank | Tool | Stars | Downloads/wk |
|---|---|---|---|
| #1 | [OpenSandbox](https://index.devtoolwatch.com/tools/opensandbox-group-opensandbox/) | 16.3k | 328.9k |
| #2 | [microsandbox](https://index.devtoolwatch.com/tools/microsandbox/) | 8.9k | 26.8k |
| #3 | [E2B](https://index.devtoolwatch.com/tools/e2b/) | 14.6k | 5M |
| #4 | [Agent Sandbox](https://index.devtoolwatch.com/tools/kubernetes-sigs-agent-sandbox/) | 4.5k | – |
| #5 | [Trigger.dev](https://index.devtoolwatch.com/tools/trigger-dev/) | 16.7k | 1.7M |
| #6 | [Inngest](https://index.devtoolwatch.com/tools/inngest/) | 6k | 3.7M |
| #7 | [Cloudflare Sandbox SDK](https://index.devtoolwatch.com/tools/cloudflare-sandbox/) | 1.2k | 1.2M |
| #8 | [Vercel Sandbox](https://index.devtoolwatch.com/tools/vercel-sandbox/) | 218 | 7.7M |
| #9 | [Daytona](https://index.devtoolwatch.com/tools/daytona/) | 71.4k | 980.1k |
| #10 | [Modal](https://index.devtoolwatch.com/tools/modal/) | 531 | 11.1M |

## FAQ

### What is the fastest-growing of the AI sandboxes and runtimes right now?

OpenSandbox ranked #1 among AI sandboxes and runtimes on the Devtoolwatch Board in the week of Oct 25–31, 2026, with a momentum score of 74 out of 100.

### Which of the AI sandboxes and runtimes has the most GitHub stars?

Of the AI sandboxes and runtimes ranked in the week of Oct 25–31, 2026, Daytona has the most GitHub stars: 71.4k.

### Which of the AI sandboxes and runtimes is downloaded the most?

Modal's main package had the most downloads of the ranked AI sandboxes and runtimes: 11.1M in the week of Oct 25–31, 2026.

### How does Devtoolwatch rank AI sandboxes and runtimes?

Every Monday the Board averages four percentile ranks: new GitHub stars from daily snapshots, new stars for the repo's size, added npm and PyPI downloads, and download growth beyond the market. Star spikes without forks, downloads or Hacker News to back them are held back.