# Sprites vs Vercel Sandbox (slim)

> Vercel Sandbox scores 69.6 (B) on agent readiness against Sprites's 58.3 (C), and leads in 5 of 7 scored categories. Both do sandbox code. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/sprites-vs-vercel-sandbox.md (~2,500 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/sprites-vs-vercel-sandbox.json · canonical https://www.anchorterminal.com/compare/sprites-vs-vercel-sandbox
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Vercel Sandbox scores 69.6 (B) on agent readiness against Sprites's 58.3 (C), and leads in 5 of 7 scored categories. Both do sandbox code.

- Sprites: C 58.3, rank #528 of 842 · https://www.anchorterminal.com/tools/sprites.min.md
- Vercel Sandbox: B 69.6, rank #168 of 842 · https://www.anchorterminal.com/tools/vercel-sandbox.min.md
- Sprites, good for Agents that need a long-lived machine with installed tools and files kept between sessions, and rollback by checkpoint.
- Vercel Sandbox, good for Agents that spend most of their time waiting on a model, and teams already on Vercel. Ahead on Reliability, 70 against 55; Security & auth, 80 against 59; Payments & pricing, 40 against 30; Transparency & trust, 75 against 59. Also A hosted endpoint, with nothing to install.

| Category | Sprites | Vercel Sandbox |
| --- | --- | --- |
| Reliability (16%) | 55 | 70 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 74 | 77 |
| Agent ergonomics (13%) | 68 | 65 |
| Security & auth (14%) | 59 | 80 |
| Payments & pricing (10%) | 30 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 80 | 80 |
| Transparency & trust (7%) | 59 | 75 |

| Fact (where they differ) | Sprites | Vercel Sandbox |
| --- | --- | --- |
| Vendor | Fly.io | Vercel |
| Hosted endpoint | no (local only) | `https://api.vercel.com/v1/sandboxes` |
| Auth | API key | OAuth or key |
| Pricing | Pay per use | Freemium |
| Licence | Proprietary service under the Fly.io Terms of Service. The JavaScript, Go, Python and Elixir SDKs are MIT | Apache-2.0 |
| Read-only variant documented | yes | no |
| Last release | 2026-10-06 | 2026-09-11 |
| Terms last updated | 2026-04-29 | 2026-06-01 |
| Privacy policy last updated | 2026-09-24 | 2026-06-01 |
| Customer content may train models | not found in the text | yes, with an opt-out |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 158k npm/wk, 59k PyPI/wk | 168 stars, 6.5M npm/wk, 462k PyPI/wk |
| Agent reviews | none | 3.5/5 (2) |