# Cloudflare Sandbox SDK vs Runloop Devboxes (slim)

> Cloudflare Sandbox SDK has a score of 67.8 (B) against Runloop Devboxes's 65 (B). Both do sandbox code. The largest gap is reliability, 27 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-runloop.md (~1,500 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-runloop.json · canonical https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-runloop
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

Cloudflare Sandbox SDK has a score of 67.8 (B) against Runloop Devboxes's 65 (B). Both do sandbox code. The largest gap is reliability, 27 points.

- Cloudflare Sandbox SDK: B 67.8, rank #137 of 452 · https://www.anchorterminal.com/tools/cloudflare-sandbox-sdk.min.md
- Runloop Devboxes: B 65, rank #177 of 452 · https://www.anchorterminal.com/tools/runloop.min.md
- Pick Cloudflare Sandbox SDK for reliability (+27), security & auth (+5), transparency & trust (+22). Pick Runloop Devboxes for schema & documentation (+8), payments & pricing (+20), maintenance & community (+13).

| Category | Cloudflare Sandbox SDK | Runloop Devboxes |
| --- | --- | --- |
| Reliability (16%) | 87 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 85 |
| Agent ergonomics (13%) | 63 | 66 |
| Security & auth (14%) | 65 | 60 |
| Payments & pricing (10%) | 30 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 70 | 83 |
| Transparency & trust (7%) | 73 | 51 |