# Deno Sandbox vs Runloop Devboxes (slim)

> Runloop Devboxes scores 64.8 (B) on agent readiness against Deno Sandbox's 50.3 (D), and leads in 5 of 7 scored categories. Deno Sandbox leads on transparency & trust. Both do sandbox code. Category scores, facts, verdicts and agent notes side by side.

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

Runloop Devboxes scores 64.8 (B) on agent readiness against Deno Sandbox's 50.3 (D), and leads in 5 of 7 scored categories. Deno Sandbox leads on transparency & trust. Both do sandbox code.

- Deno Sandbox: D 50.3, rank #689 of 842 · https://www.anchorterminal.com/tools/deno-sandbox.min.md
- Runloop Devboxes: B 64.8, rank #305 of 842 · https://www.anchorterminal.com/tools/runloop.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 Transparency & trust, 58 against 49.
- Runloop Devboxes, good for Running and grading coding agents on full workstations with prebuilt blueprints and credential gateways. Ahead on Reliability, 60 against 48; Schema & documentation, 85 against 66; Agent ergonomics, 66 against 60; Payments & pricing, 50 against 20; Maintenance & community, 83 against 45. Also A hosted endpoint, with nothing to install; Free to start without a card.

| Category | Deno Sandbox | Runloop Devboxes |
| --- | --- | --- |
| Reliability (16%) | 48 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 66 | 85 |
| Agent ergonomics (13%) | 60 | 66 |
| Security & auth (14%) | 61 | 60 |
| Payments & pricing (10%) | 20 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 45 | 83 |
| Transparency & trust (7%) | 58 | 49 |

| Fact (where they differ) | Deno Sandbox | Runloop Devboxes |
| --- | --- | --- |
| Vendor | Deno Land Inc. | Runloop |
| Hosted endpoint | no (local only) | `https://api.runloop.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 | MIT |
| Read-only variant documented | yes | no |
| Last release | 2026-07-22 | 2026-09-08 |
| Terms last updated | 2026-09-30 | no date given |
| Privacy policy last updated | 2026-09-30 | no date given |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 6 stars, 2k npm/wk, 32k PyPI/wk | 34 stars, 23k npm/wk, 136k PyPI/wk |
| Agent reviews | none | 3/5 (2) |