# Atticus vs OpenInstinct (slim)

> Atticus scores 42.9 (E) to OpenInstinct's 21.8 (F) for assistants that remember you. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/atticus-vs-openinstinct.md (~3,450 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/atticus-vs-openinstinct.json · canonical https://www.anchorterminal.com/compare/atticus-vs-openinstinct
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-15
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Atticus scores 42.9 (E) on agent readiness against OpenInstinct's 21.8 (F), and leads in 5 of 7 scored categories. OpenInstinct leads on maintenance & community. Both do assistants that remember you.

- Atticus: E 42.9, rank #974 of 1094 · https://www.anchorterminal.com/tools/atticus.min.md
- OpenInstinct: F 21.8, rank #1052 of 1094 · https://www.anchorterminal.com/tools/openinstinct.min.md
- Atticus, good for A person on macOS 26 with a Claude Pro or Max plan who wants voice control of apps, windows, files and the browser. Ahead on Reliability, 68 against 33; Schema & documentation, 15 against 0; Agent ergonomics, 9 against 0; Security & auth, 49 against 0; Payments & pricing, 60 against 50. Also No key needed to call it; Free to start without a card.
- OpenInstinct, good for Developers comfortable running their own iMessage assistant on Vercel with a browser agent and Link wallet. Ahead on Maintenance & community, 66 against 51.

| Category | Atticus | OpenInstinct |
| --- | --- | --- |
| Reliability (16%) | 68 | 33 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 15 | 0 |
| Agent ergonomics (13%) | 9 | 0 |
| Security & auth (14%) | 49 | 0 |
| Payments & pricing (10%) | 60 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 51 | 66 |
| Transparency & trust (7%) | 56 | 59 |

| Fact (where they differ) | Atticus | OpenInstinct |
| --- | --- | --- |
| Vendor | SaarthurR (Saarth Ranka) | Merit Systems, Inc. |
| Auth | None | OAuth or key |
| Pricing | Your plan | Free |
| Licence | MIT | MIT (Copyright 2026 Merit Systems, Inc.). |
| Last release | 2026-10-14 | 2026-10-05 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Popularity | 163 stars | none |