# Agent 37 Cloud vs Sprites (slim)

> Sprites scores 58.3 (C) 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-sprites.md (~2,600 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/agent37-vs-sprites.json · canonical https://www.anchorterminal.com/compare/agent37-vs-sprites
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Sprites scores 58.3 (C) 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 #759 of 842 · https://www.anchorterminal.com/tools/agent37.min.md
- Sprites: C 58.3, rank #528 of 842 · https://www.anchorterminal.com/tools/sprites.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. Also A hosted endpoint, with nothing to install.
- Sprites, good for Agents that need a long-lived machine with installed tools and files kept between sessions, and rollback by checkpoint. Ahead on Reliability, 55 against 27; Schema & documentation, 74 against 57; Agent ergonomics, 68 against 60; Security & auth, 59 against 49; Payments & pricing, 30 against 20; Maintenance & community, 80 against 65.

| Category | Agent 37 Cloud | Sprites |
| --- | --- | --- |
| Reliability (16%) | 27 | 55 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 57 | 74 |
| Agent ergonomics (13%) | 60 | 68 |
| Security & auth (14%) | 49 | 59 |
| Payments & pricing (10%) | 20 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 65 | 80 |
| Transparency & trust (7%) | 56 | 59 |

| Fact (where they differ) | Agent 37 Cloud | Sprites |
| --- | --- | --- |
| Vendor | Agent 37 Inc. | Fly.io |
| Hosted endpoint | `https://api.agent37.com/v1` | no (local only) |
| 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 | Proprietary service under the Fly.io Terms of Service. The JavaScript, Go, Python and Elixir SDKs are MIT |
| Read-only variant documented | no | yes |
| Last release | 2026-10-05 | 2026-10-06 |
| Terms last updated | 2026-08-04 | 2026-04-29 |
| Privacy policy last updated | 2026-09-01 | 2026-09-24 |
| Popularity | 74 npm/wk | 158k npm/wk, 59k PyPI/wk |