# Modal Sandboxes vs SPACE (slim)

> Modal Sandboxes scores 75.5 (BB) 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/modal-sandboxes-vs-perplexity-space.md (~2,600 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/modal-sandboxes-vs-perplexity-space.json · canonical https://www.anchorterminal.com/compare/modal-sandboxes-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

Modal Sandboxes scores 75.5 (BB) on agent readiness against SPACE's 56.2 (C), and leads in 6 of 7 scored categories. SPACE leads on payments & pricing. Both do code sandboxes.

- Modal Sandboxes: BB 75.5, rank #49 of 1098 · https://www.anchorterminal.com/tools/modal-sandboxes.min.md
- SPACE: C 56.2, rank #683 of 1098 · https://www.anchorterminal.com/tools/perplexity-space.min.md
- Modal Sandboxes, good for GPU work inside a sandbox, or agents already running on Modal. Ahead on Reliability, 95 against 32; Security & auth, 76 against 64; Maintenance & community, 93 against 26. Also Agent-ready, a grade of BB or better.
- 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 40. Also Free to start without a card; Open source.

| Category | Modal Sandboxes | SPACE |
| --- | --- | --- |
| Reliability (16%) | 95 | 32 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 79 | 75 |
| Agent ergonomics (13%) | 67 | 66 |
| Security & auth (14%) | 76 | 64 |
| Payments & pricing (10%) | 40 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 93 | 26 |
| Transparency & trust (7%) | 72 | 68 |

| Fact (where they differ) | Modal Sandboxes | SPACE |
| --- | --- | --- |
| Kind | SDK + MCP | HTTP API |
| Vendor | Modal | Perplexity |
| Transports |  | HTTP |
| Auth | API key | OAuth or key |
| Pricing | Freemium | Free |
| llms.txt | yes | no |
| Last release | 2026-09-28 | none |
| Terms last updated | 2026-05-01 | no document linked |
| Privacy policy last updated | 2023-05-17 | no document linked |
| Customer content may train models | not found in the text |  |
| 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 | not found in the text |  |
| Popularity | 514 stars, 941k npm/wk, 10.1M PyPI/wk | none |
| Agent reviews | 3.3/5 (8) | 3/5 (4) |