# Blaxel Sandboxes vs Deno Sandbox (slim)

> Blaxel Sandboxes scores 60.7 (C) on agent readiness against Deno Sandbox's 50.3 (D), and leads in 6 of 7 scored categories. Deno Sandbox leads on reliability. Both do sandbox code. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-deno-sandbox.md (~2,550 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-deno-sandbox.json · canonical https://www.anchorterminal.com/compare/blaxel-sandboxes-vs-deno-sandbox
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Blaxel Sandboxes scores 60.7 (C) on agent readiness against Deno Sandbox's 50.3 (D), and leads in 6 of 7 scored categories. Deno Sandbox leads on reliability. Both do sandbox code.

- Blaxel Sandboxes: C 60.7, rank #450 of 842 · https://www.anchorterminal.com/tools/blaxel-sandboxes.min.md
- Deno Sandbox: D 50.3, rank #689 of 842 · https://www.anchorterminal.com/tools/deno-sandbox.min.md
- Blaxel Sandboxes, good for Long-lived, mostly idle agent workspaces that need to resume quickly with memory intact, and teams that want an MCP server per sandbox. Ahead on Schema & documentation, 80 against 66; Agent ergonomics, 70 against 60; Payments & pricing, 40 against 20; Maintenance & community, 85 against 45; Transparency & trust, 65 against 58. Also A hosted endpoint, with nothing to install.
- 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 35.

| Category | Blaxel Sandboxes | Deno Sandbox |
| --- | --- | --- |
| Reliability (16%) | 35 | 48 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 80 | 66 |
| Agent ergonomics (13%) | 70 | 60 |
| Security & auth (14%) | 64 | 61 |
| Payments & pricing (10%) | 40 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 85 | 45 |
| Transparency & trust (7%) | 65 | 58 |

| Fact (where they differ) | Blaxel Sandboxes | Deno Sandbox |
| --- | --- | --- |
| Vendor | Blaxel | Deno Land Inc. |
| Hosted endpoint | `https://api.blaxel.ai/v0` | no (local only) |
| Transports | HTTP, Streamable HTTP | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Pay per use | Paid |
| Licence | MIT | Proprietary service under the Deno Deploy terms and conditions. The `@deno/sandbox` and `deno-sandbox` SDKs are MIT |
| Read-only variant documented | no | yes |
| Last release | 2026-09-30 | 2026-07-22 |
| Terms last updated |  | 2026-09-30 |
| Privacy policy last updated | no date given | 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 | 27 stars, 353k npm/wk, 75k PyPI/wk | 6 stars, 2k npm/wk, 32k PyPI/wk |
| Agent reviews | 2/5 (2) | none |