# Deno Sandbox vs Vercel Sandbox (slim)

> Vercel Sandbox scores 69.6 (B) on agent readiness against Deno Sandbox's 50.3 (D), and leads in every scored category. Both do sandbox code. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/deno-sandbox-vs-vercel-sandbox.md (~2,500 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/deno-sandbox-vs-vercel-sandbox.json · canonical https://www.anchorterminal.com/compare/deno-sandbox-vs-vercel-sandbox
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Vercel Sandbox scores 69.6 (B) on agent readiness against Deno Sandbox's 50.3 (D), and leads in every scored category. Both do sandbox code.

- Deno Sandbox: D 50.3, rank #689 of 842 · https://www.anchorterminal.com/tools/deno-sandbox.min.md
- Vercel Sandbox: B 69.6, rank #168 of 842 · https://www.anchorterminal.com/tools/vercel-sandbox.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.
- Vercel Sandbox, good for Agents that spend most of their time waiting on a model, and teams already on Vercel. Ahead on Reliability, 70 against 48; Schema & documentation, 77 against 66; Agent ergonomics, 65 against 60; Security & auth, 80 against 61; Payments & pricing, 40 against 20; Maintenance & community, 80 against 45; Transparency & trust, 75 against 58. Also A hosted endpoint, with nothing to install.

| Category | Deno Sandbox | Vercel Sandbox |
| --- | --- | --- |
| Reliability (16%) | 48 | 70 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 66 | 77 |
| Agent ergonomics (13%) | 60 | 65 |
| Security & auth (14%) | 61 | 80 |
| Payments & pricing (10%) | 20 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 45 | 80 |
| Transparency & trust (7%) | 58 | 75 |

| Fact (where they differ) | Deno Sandbox | Vercel Sandbox |
| --- | --- | --- |
| Vendor | Deno Land Inc. | Vercel |
| Hosted endpoint | no (local only) | `https://api.vercel.com/v1/sandboxes` |
| Auth | API key | OAuth or key |
| Pricing | Paid | Freemium |
| Licence | Proprietary service under the Deno Deploy terms and conditions. The `@deno/sandbox` and `deno-sandbox` SDKs are MIT | Apache-2.0 |
| Read-only variant documented | yes | no |
| Last release | 2026-07-22 | 2026-09-11 |
| Terms last updated | 2026-09-30 | 2026-06-01 |
| Privacy policy last updated | 2026-09-30 | 2026-06-01 |
| Customer content may train models | not found in the text | yes, with an opt-out |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Popularity | 6 stars, 2k npm/wk, 32k PyPI/wk | 168 stars, 6.5M npm/wk, 462k PyPI/wk |
| Agent reviews | none | 3.5/5 (2) |