# Modal Sandboxes vs Together Code Sandbox (slim)

> Modal Sandboxes scores 75.5 (BB) on agent readiness against Together Code Sandbox's 53.6 (D), and leads in 5 of 7 scored categories. Together Code Sandbox leads on schema & documentation. Both do sandbox code. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/modal-sandboxes-vs-together-code-sandbox.md (~2,600 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/modal-sandboxes-vs-together-code-sandbox.json · canonical https://www.anchorterminal.com/compare/modal-sandboxes-vs-together-code-sandbox
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Modal Sandboxes scores 75.5 (BB) on agent readiness against Together Code Sandbox's 53.6 (D), and leads in 5 of 7 scored categories. Together Code Sandbox leads on schema & documentation. Both do sandbox code.

- Modal Sandboxes: BB 75.5, rank #45 of 842 · https://www.anchorterminal.com/tools/modal-sandboxes.min.md
- Together Code Sandbox: D 53.6, rank #628 of 842 · https://www.anchorterminal.com/tools/together-code-sandbox.min.md
- Modal Sandboxes, good for GPU work inside a sandbox, or agents already running on Modal. Ahead on Reliability, 95 against 25; Security & auth, 76 against 47; Payments & pricing, 40 against 20; Maintenance & community, 93 against 83; Transparency & trust, 72 against 60. Also Agent-ready, a grade of BB or better.
- Together Code Sandbox, good for Teams already buying from Together, and former CodeSandbox SDK users, who want Docker-defined sandboxes with disk and memory snapshots from Python or TypeScript. Ahead on Schema & documentation, 86 against 79. Also A hosted endpoint, with nothing to install.

| Category | Modal Sandboxes | Together Code Sandbox |
| --- | --- | --- |
| Reliability (16%) | 95 | 25 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 79 | 86 |
| Agent ergonomics (13%) | 67 | 70 |
| Security & auth (14%) | 76 | 47 |
| Payments & pricing (10%) | 40 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 93 | 83 |
| Transparency & trust (7%) | 72 | 60 |

| Fact (where they differ) | Modal Sandboxes | Together Code Sandbox |
| --- | --- | --- |
| Kind | SDK + MCP | HTTP API |
| Vendor | Modal | Together AI |
| Hosted endpoint | no (local only) | `https://api.bartender.codesandbox.io` |
| Transports |  | HTTP |
| Pricing | Freemium | Pay per use |
| Licence | Apache-2.0 | Proprietary service under Together's terms of service. The SDKs, CLI and OpenAPI documents on GitHub are MIT |
| Last release | 2026-09-28 | 2026-10-07 |
| Terms last updated | 2026-05-01 | no date given |
| Privacy policy last updated | 2023-05-17 | no date given |
| Terms restrict benchmarking | not found in the text | yes |
| Popularity | 514 stars, 941k npm/wk, 10.1M PyPI/wk | 3 stars, 1.3k npm/wk, 3.4k PyPI/wk |
| Agent reviews | 3.3/5 (8) | none |