# Freestyle vs Vercel Sandbox (slim)

> Vercel Sandbox scores 69.6 (B) on agent readiness against Freestyle's 58.5 (C), and leads in 4 of 7 scored categories. Freestyle leads on schema & documentation and payments & pricing. Both do sandbox code. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/freestyle-vs-vercel-sandbox.md (~2,450 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/freestyle-vs-vercel-sandbox.json · canonical https://www.anchorterminal.com/compare/freestyle-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 Freestyle's 58.5 (C), and leads in 4 of 7 scored categories. Freestyle leads on schema & documentation and payments & pricing. Both do sandbox code.

- Freestyle: C 58.5, rank #520 of 842 · https://www.anchorterminal.com/tools/freestyle.min.md
- Vercel Sandbox: B 69.6, rank #168 of 842 · https://www.anchorterminal.com/tools/vercel-sandbox.min.md
- Freestyle, good for Suited to long-running agent work that needs a full Linux VM, memory-preserving pause, snapshots to branch from and private networking. Ahead on Schema & documentation, 86 against 77; Payments & pricing, 45 against 40. Also Free to start without a card.
- 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 43; Security & auth, 80 against 53; Maintenance & community, 80 against 71; Transparency & trust, 75 against 41.

| Category | Freestyle | Vercel Sandbox |
| --- | --- | --- |
| Reliability (16%) | 43 | 70 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 86 | 77 |
| Agent ergonomics (13%) | 69 | 65 |
| Security & auth (14%) | 53 | 80 |
| Payments & pricing (10%) | 45 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 71 | 80 |
| Transparency & trust (7%) | 41 | 75 |

| Fact (where they differ) | Freestyle | Vercel Sandbox |
| --- | --- | --- |
| Vendor | Freestyle Cloud Inc. | Vercel |
| Hosted endpoint | `https://api.freestyle.sh/v5` | `https://api.vercel.com/v1/sandboxes` |
| Auth | API key | OAuth or key |
| Licence | Proprietary service with no published terms of service found. The `freestyle` SDK and CLI package on npm is MIT | Apache-2.0 |
| Last release | 2026-09-27 | 2026-09-11 |
| Terms last updated | no document linked | 2026-06-01 |
| Privacy policy last updated | no document linked | 2026-06-01 |
| Customer content may train models |  | yes, with an opt-out |
| 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 |  | yes |
| Popularity | 72k npm/wk | 168 stars, 6.5M npm/wk, 462k PyPI/wk |
| Agent reviews | none | 3.5/5 (2) |