# Hark Pro vs OpenInstinct (slim)

> OpenInstinct and Hark Pro score within a point of each other for assistants that remember you, 21.8 and 21.6 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/hark-pro-vs-openinstinct.md (~3,450 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/hark-pro-vs-openinstinct.json · canonical https://www.anchorterminal.com/compare/hark-pro-vs-openinstinct
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-19
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

OpenInstinct and Hark Pro score within a point of each other on agent readiness, 21.8 (F) and 21.6 (F). Hark Pro leads on schema & documentation, agent ergonomics and security & auth. Both do assistants that remember you.

- Hark Pro: F 21.6, rank #1123 of 1171 · https://www.anchorterminal.com/tools/hark-pro.min.md
- OpenInstinct: F 21.8, rank #1121 of 1171 · https://www.anchorterminal.com/tools/openinstinct.min.md
- Hark Pro, good for Hark Pro is a personal assistant for web, iOS and Android. Ahead on Schema & documentation, 10 against 0; Agent ergonomics, 10 against 0; Security & auth, 45 against 0.
- OpenInstinct, good for Developers comfortable running their own iMessage assistant on Vercel with a browser agent and Link wallet. Ahead on Reliability, 33 against 15; Payments & pricing, 50 against 30; Maintenance & community, 66 against 0; Transparency & trust, 59 against 42. Also Open source.

| Category | Hark Pro | OpenInstinct |
| --- | --- | --- |
| Reliability (16%) | 15 | 33 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 10 | 0 |
| Agent ergonomics (13%) | 10 | 0 |
| Security & auth (14%) | 45 | 0 |
| Payments & pricing (10%) | 30 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 0 | 66 |
| Transparency & trust (7%) | 42 | 59 |

| Fact (where they differ) | Hark Pro | OpenInstinct |
| --- | --- | --- |
| Vendor | Hark Labs, Inc. | Merit Systems, Inc. |
| Pricing | Freemium | Free |
| Licence | Proprietary service; see governing terms and the access limitations below. | MIT (Copyright 2026 Merit Systems, Inc.). |
| Last release | none | 2026-10-05 |
| Terms last updated | 2026-10-01 |  |
| Privacy policy last updated | 2026-10-01 |  |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | not found in the text |  |