# OpenInstinct vs szn (slim)

> OpenInstinct scores 21.8 (F) to szn's 7.3 (F) for assistants reached by message. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/openinstinct-vs-szn.md (~3,400 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/openinstinct-vs-szn.json · canonical https://www.anchorterminal.com/compare/openinstinct-vs-szn
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-13

OpenInstinct scores 21.8 (F) on agent readiness against szn's 7.3 (F), and leads in 4 of 7 scored categories. szn leads on schema & documentation. Both do assistants reached by message.

- OpenInstinct: F 21.8, rank #988 of 1010 · https://www.anchorterminal.com/tools/openinstinct.min.md
- szn: F 7.3, rank #1010 of 1010 · https://www.anchorterminal.com/tools/szn.min.md
- OpenInstinct, good for Developers comfortable running their own iMessage assistant on Vercel with a browser agent and Link wallet. Ahead on Reliability, 33 against 5; Payments & pricing, 50 against 20; Maintenance & community, 66 against 2; Transparency & trust, 59 against 23. Also Open source.
- szn, good for A person who wants calls, emails and bookings done for them and has an access code. Ahead on Schema & documentation, 10 against 0.

| Category | OpenInstinct | szn |
| --- | --- | --- |
| Reliability (16%) | 33 | 5 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 0 | 10 |
| Agent ergonomics (13%) | 0 | 0 |
| Security & auth (14%) | 0 | 0 |
| Payments & pricing (10%) | 50 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 66 | 2 |
| Transparency & trust (7%) | 59 | 23 |

| Fact (where they differ) | OpenInstinct | szn |
| --- | --- | --- |
| Vendor | Merit Systems, Inc. | Nomadic Futures |
| Licence | MIT (Copyright 2026 Merit Systems, Inc.). | Closed service. No terms of service were found on theszn.ai. A privacy policy and an acceptable use policy (both last updated March 2026) apply. |
| Read-only variant documented | no | yes |
| llms.txt | no | yes |
| Last release | 2026-10-05 | none |
| Terms last updated |  | no document linked |