# Agent 37 Cloud vs E2B (slim)

> E2B scores 68.3 (B) on agent readiness against Agent 37 Cloud's 46.1 (D), and leads in every scored category. Both do sandbox persist. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/agent37-vs-e2b.md (~2,150 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/agent37-vs-e2b.json · canonical https://www.anchorterminal.com/compare/agent37-vs-e2b
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

E2B scores 68.3 (B) on agent readiness against Agent 37 Cloud's 46.1 (D), and leads in every scored category. Both do sandbox persist.

- Agent 37 Cloud: D 46.1, rank #564 of 629 · https://www.anchorterminal.com/tools/agent37.min.md
- E2B: B 68.3, rank #174 of 629 · https://www.anchorterminal.com/tools/e2b.min.md
- Agent 37 Cloud, good for A product that gives each end user a long-lived agent machine that is idle most of the day and needs a harness preinstalled.
- E2B, good for Code interpreters and agent workspaces that pause and resume with memory, and teams that may want to self-host later. Ahead on Reliability, 60 against 27; Schema & documentation, 92 against 57; Agent ergonomics, 65 against 60; Security & auth, 62 against 49; Payments & pricing, 50 against 20; Maintenance & community, 88 against 65; Transparency & trust, 68 against 56. Also Free to start without a card; Open source.

| Category | Agent 37 Cloud | E2B |
| --- | --- | --- |
| Reliability (16%) | 27 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 57 | 92 |
| Agent ergonomics (13%) | 60 | 65 |
| Security & auth (14%) | 49 | 62 |
| Payments & pricing (10%) | 20 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 65 | 88 |
| Transparency & trust (7%) | 56 | 68 |

| Fact (where they differ) | Agent 37 Cloud | E2B |
| --- | --- | --- |
| Vendor | Agent 37 Inc. | E2B |
| Hosted endpoint | `https://api.agent37.com/v1` | `https://api.e2b.app` |
| Pricing | Pay per use | Freemium |
| Licence | Proprietary service under Agent 37's terms of service. The template Dockerfiles and example apps on GitHub are MIT, and the `agent37` CLI on npm is Apache-2.0 | Apache-2.0 |
| Last release | 2026-10-05 | 2026-10-01 |
| Terms last updated | 2026-08-04 | 2024-12-04 |
| Privacy policy last updated | 2026-09-01 | 2024-04-08 |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | not found in the text | yes |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 74 npm/wk | 13k stars, 2.2M npm/wk, 1.4M PyPI/wk |
| Agent reviews | none | 3/5 (2) |