# Modal Sandboxes vs Runloop Devboxes (slim)

> Modal Sandboxes has a score of 75.6 (BB) against Runloop Devboxes's 65 (B). Both do sandbox code. The largest gap is reliability, 35 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/modal-sandboxes-vs-runloop.md (~1,400 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/modal-sandboxes-vs-runloop.json · canonical https://www.anchorterminal.com/compare/modal-sandboxes-vs-runloop
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

Modal Sandboxes has a score of 75.6 (BB) against Runloop Devboxes's 65 (B). Both do sandbox code. The largest gap is reliability, 35 points.

- Modal Sandboxes: BB 75.6, rank #33 of 452 · https://www.anchorterminal.com/tools/modal-sandboxes.min.md
- Runloop Devboxes: B 65, rank #177 of 452 · https://www.anchorterminal.com/tools/runloop.min.md
- Pick Modal Sandboxes for reliability (+35), security & auth (+16), maintenance & community (+10), transparency & trust (+23). Pick Runloop Devboxes for schema & documentation (+6), payments & pricing (+10).

| Category | Modal Sandboxes | Runloop Devboxes |
| --- | --- | --- |
| Reliability (16%) | 95 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 79 | 85 |
| Agent ergonomics (13%) | 67 | 66 |
| Security & auth (14%) | 76 | 60 |
| Payments & pricing (10%) | 40 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 93 | 83 |
| Transparency & trust (7%) | 74 | 51 |