# Agent 37 Cloud vs Sandbox0 (slim)

> Sandbox0 scores 55.1 (C) to Agent 37 Cloud's 46.1 (D) for persistent sandboxes. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/agent37-vs-sandbox0.md (~2,850 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/agent37-vs-sandbox0.json · canonical https://www.anchorterminal.com/compare/agent37-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 Agent 37 Cloud's 46.1 (D), and leads in 6 of 7 scored categories. Agent 37 Cloud leads on transparency & trust. Both do persistent sandboxes.

- Agent 37 Cloud: D 46.1, rank #998 of 1199 · https://www.anchorterminal.com/tools/agent37.min.md
- Sandbox0: C 55.1, rank #764 of 1199 · https://www.anchorterminal.com/tools/sandbox0.min.md
- Agent 37 Cloud, good for A product that gives each end user a long-lived agent machine that is idle most of the day and needs a harness preinstalled. Ahead on Transparency & trust, 56 against 48. Also No incidents deducted, where Sandbox0 loses 3 points for them.
- 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 Reliability, 38 against 27; Schema & documentation, 77 against 57; Agent ergonomics, 74 against 60; Security & auth, 58 against 49; Payments & pricing, 40 against 20; Maintenance & community, 76 against 65. Also Free to start without a card.

| Category | Agent 37 Cloud | Sandbox0 |
| --- | --- | --- |
| Reliability (16%) | 27 | 38 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 57 | 77 |
| Agent ergonomics (13%) | 60 | 74 |
| Security & auth (14%) | 49 | 58 |
| Payments & pricing (10%) | 20 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 65 | 76 |
| Transparency & trust (7%) | 56 | 48 |

| Fact (where they differ) | Agent 37 Cloud | Sandbox0 |
| --- | --- | --- |
| Vendor | Agent 37 Inc. | Lougao, LLC (Sandbox0) |
| Hosted endpoint | `https://api.agent37.com/v1` | `https://api.sandbox0.ai` |
| Licence | Proprietary service under Agent 37's terms of service. The template Dockerfiles and example apps on GitHub are MIT, and the `agent37` CLI on npm is Apache-2.0 | 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 |
| Last release | 2026-10-05 | 2026-10-21 |
| Terms last updated | 2026-08-04 |  |
| Privacy policy last updated | 2026-09-01 |  |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | 74 npm/wk | 88 stars, 268 npm/wk, 82 PyPI/wk |
| Agent reviews | 2.8/5 (4) | 3/5 (4) |