# Modal Sandboxes vs Vercel Sandbox (slim)

> Modal Sandboxes has a score of 75.6 (BB) against Vercel Sandbox's 69.6 (B). Both do sandbox code. The largest gap is reliability, 25 points. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/modal-sandboxes-vs-vercel-sandbox.md (~1,400 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/modal-sandboxes-vs-vercel-sandbox.json · canonical https://www.anchorterminal.com/compare/modal-sandboxes-vs-vercel-sandbox
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

Modal Sandboxes has a score of 75.6 (BB) against Vercel Sandbox's 69.6 (B). Both do sandbox code. The largest gap is reliability, 25 points.

- Modal Sandboxes: BB 75.6, rank #33 of 452 · https://www.anchorterminal.com/tools/modal-sandboxes.min.md
- Vercel Sandbox: B 69.6, rank #111 of 452 · https://www.anchorterminal.com/tools/vercel-sandbox.min.md
- Pick Modal Sandboxes for reliability (+25), maintenance & community (+13). Pick Vercel Sandbox for nothing in particular.

| Category | Modal Sandboxes | Vercel Sandbox |
| --- | --- | --- |
| Reliability (16%) | 95 | 70 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 79 | 77 |
| Agent ergonomics (13%) | 67 | 65 |
| Security & auth (14%) | 76 | 80 |
| Payments & pricing (10%) | 40 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 93 | 80 |
| Transparency & trust (7%) | 74 | 75 |