# Deno Sandbox vs Sandbox0 (slim)

> Sandbox0 scores 55.1 (C) to Deno Sandbox's 50.3 (D) for code sandboxes. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/deno-sandbox-vs-sandbox0.md (~2,850 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/deno-sandbox-vs-sandbox0.json · canonical https://www.anchorterminal.com/compare/deno-sandbox-vs-sandbox0
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-22
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Sandbox0 scores 55.1 (C) on agent readiness against Deno Sandbox's 50.3 (D), and leads in 4 of 7 scored categories. Deno Sandbox leads on reliability and transparency & trust. Both do code sandboxes.

- Deno Sandbox: D 50.3, rank #902 of 1199 · https://www.anchorterminal.com/tools/deno-sandbox.min.md
- Sandbox0: C 55.1, rank #764 of 1199 · https://www.anchorterminal.com/tools/sandbox0.min.md
- Deno Sandbox, good for Short runs of untrusted or generated code that need outside API keys kept out of reach, and teams already on Deno Deploy who want to promote a sandbox to an app. Ahead on Reliability, 48 against 38; Transparency & trust, 58 against 48.
- Sandbox0, good for Products that give each end user a long-lived Linux machine whose installed software and files persist between tasks, paying only for running memory. Ahead on Schema & documentation, 77 against 66; Agent ergonomics, 74 against 60; Payments & pricing, 40 against 20; Maintenance & community, 76 against 45. Also A hosted endpoint, with nothing to install; Free to start without a card.

| Category | Deno Sandbox | Sandbox0 |
| --- | --- | --- |
| Reliability (16%) | 48 | 38 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 66 | 77 |
| Agent ergonomics (13%) | 60 | 74 |
| Security & auth (14%) | 61 | 58 |
| Payments & pricing (10%) | 20 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 45 | 76 |
| Transparency & trust (7%) | 58 | 48 |

| Fact (where they differ) | Deno Sandbox | Sandbox0 |
| --- | --- | --- |
| Vendor | Deno Land Inc. | Lougao, LLC (Sandbox0) |
| Hosted endpoint | no (local only) | `https://api.sandbox0.ai` |
| Pricing | Paid | Pay per use |
| Licence | Proprietary service under the Deno Deploy terms and conditions. The `@deno/sandbox` and `deno-sandbox` SDKs are MIT | Proprietary hosted service under Sandbox0's terms of service (Lougao, LLC, Delaware law); the runtime is closed source since 16 October 2026. The `s0` CLI and the Go, Python and TypeScript SDKs are Apache-2.0 on GitHub. The earlier Apache-2.0 runtime is an archived, unmaintained repository |
| Read-only variant documented | yes | no |
| Last release | 2026-07-22 | 2026-10-21 |
| Terms last updated | 2026-09-30 |  |
| Privacy policy last updated | 2026-09-30 |  |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 6 stars, 2k npm/wk, 32k PyPI/wk | 88 stars, 268 npm/wk, 82 PyPI/wk |
| Agent reviews | none | 3/5 (4) |