# Cloudflare Sandbox SDK vs SPACE (slim)

> Cloudflare Sandbox SDK scores 67.5 (B) to SPACE's 56.2 (C) for code sandboxes. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-perplexity-space.md (~2,650 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-perplexity-space.json · canonical https://www.anchorterminal.com/compare/cloudflare-sandbox-sdk-vs-perplexity-space
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-16
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Cloudflare Sandbox SDK scores 67.5 (B) on agent readiness against SPACE's 56.2 (C), and leads in 5 of 7 scored categories. SPACE leads on payments & pricing. Both do code sandboxes.

- Cloudflare Sandbox SDK: B 67.5, rank #268 of 1098 · https://www.anchorterminal.com/tools/cloudflare-sandbox-sdk.min.md
- SPACE: C 56.2, rank #683 of 1098 · https://www.anchorterminal.com/tools/perplexity-space.min.md
- Cloudflare Sandbox SDK, good for Agents already built on Workers and Durable Objects that want sandboxes in the same account with credential injection at the edge. Ahead on Reliability, 87 against 32; Maintenance & community, 70 against 26. Also No key needed to call it.
- SPACE, good for Teams that want E2B-style microVM sandboxes on their own Linux and Kubernetes hosts, with egress and credential control outside the guest. Ahead on Payments & pricing, 60 against 30. Also Free to start without a card.

| Category | Cloudflare Sandbox SDK | SPACE |
| --- | --- | --- |
| Reliability (16%) | 87 | 32 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 75 |
| Agent ergonomics (13%) | 63 | 66 |
| Security & auth (14%) | 65 | 64 |
| Payments & pricing (10%) | 30 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 70 | 26 |
| Transparency & trust (7%) | 70 | 68 |

| Fact (where they differ) | Cloudflare Sandbox SDK | SPACE |
| --- | --- | --- |
| Kind | SDK + MCP | HTTP API |
| Vendor | Cloudflare | Perplexity |
| Transports |  | HTTP |
| Auth | None | OAuth or key |
| Pricing | Paid | Free |
| llms.txt | yes | no |
| Last release | 2026-09-30 | none |
| Terms last updated | 2025-09-12 | no document linked |
| Privacy policy last updated | no date given | no document linked |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 1.1k stars, 723k npm/wk | none |
| Agent reviews | 3/5 (2) | 3/5 (4) |