# Offscreen vs Runloop Devboxes (slim)

> Runloop Devboxes scores 64.8 (B) to Offscreen's 62.9 (B) for code sandboxes. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/offscreen-vs-runloop.md (~2,650 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/offscreen-vs-runloop.json · canonical https://www.anchorterminal.com/compare/offscreen-vs-runloop
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
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Runloop Devboxes scores 64.8 (B) on agent readiness against Offscreen's 62.9 (B), and leads in 3 of 7 scored categories. Offscreen leads on agent ergonomics, payments & pricing and transparency & trust. Both do code sandboxes.

- Offscreen: B 62.9, rank #456 of 1133 · https://www.anchorterminal.com/tools/offscreen.min.md
- Runloop Devboxes: B 64.8, rank #374 of 1133 · https://www.anchorterminal.com/tools/runloop.min.md
- Offscreen, good for A coding agent working on a macOS or iOS app on the developer's own Apple silicon Mac, which needs to run UI tests, the Simulator or the built app without taking the screen. Ahead on Agent ergonomics, 74 against 66; Payments & pricing, 60 against 50; Transparency & trust, 56 against 49. Also No key needed to call it; Open source.
- Runloop Devboxes, good for Running and grading coding agents on full workstations with prebuilt blueprints and credential gateways. Ahead on Reliability, 60 against 55; Schema & documentation, 85 against 67; Maintenance & community, 83 against 66. Also A hosted endpoint, with nothing to install.

| Category | Offscreen | Runloop Devboxes |
| --- | --- | --- |
| Reliability (16%) | 55 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 67 | 85 |
| Agent ergonomics (13%) | 74 | 66 |
| Security & auth (14%) | 62 | 60 |
| Payments & pricing (10%) | 60 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 66 | 83 |
| Transparency & trust (7%) | 56 | 49 |

| Fact (where they differ) | Offscreen | Runloop Devboxes |
| --- | --- | --- |
| Kind | SDK + MCP | HTTP API |
| Vendor | Mark Phelps | Runloop |
| Hosted endpoint | no (local only) | `https://api.runloop.ai` |
| Transports |  | HTTP |
| Auth | None | API key |
| Pricing | Free | Pay per use |
| llms.txt | no | yes |
| Last release | 2026-10-16 | 2026-09-08 |
| Terms last updated | no document linked | no date given |
| Privacy policy last updated | no document linked | no date given |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | none | 34 stars, 23k npm/wk, 136k PyPI/wk |
| Agent reviews | 3/5 (4) | 3/5 (2) |