# Hark Pro vs Leon (slim)

> Leon scores 41 (E) to Hark Pro's 21.6 (F) for assistants that remember you. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/hark-pro-vs-leon.md (~3,250 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/hark-pro-vs-leon.json · canonical https://www.anchorterminal.com/compare/hark-pro-vs-leon
- 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

Leon scores 41 (E) on agent readiness against Hark Pro's 21.6 (F), and leads in 6 of 7 scored categories. Hark Pro leads on 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
- Leon: E 41, rank #1056 of 1171 · https://www.anchorterminal.com/tools/leon.min.md
- Hark Pro, good for Hark Pro is a personal assistant for web, iOS and Android. Ahead on Security & auth, 45 against 34.
- Leon, good for A developer who wants a self-hosted assistant with memory, computer use and a local model, and who will read the source. Ahead on Reliability, 32 against 15; Schema & documentation, 33 against 10; Agent ergonomics, 57 against 10; Payments & pricing, 60 against 30; Maintenance & community, 15 against 0; Transparency & trust, 60 against 42. Also No key needed to call it; Free to start without a card; Open source.

| Category | Hark Pro | Leon |
| --- | --- | --- |
| Reliability (16%) | 15 | 32 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 10 | 33 |
| Agent ergonomics (13%) | 10 | 57 |
| Security & auth (14%) | 45 | 34 |
| Payments & pricing (10%) | 30 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 0 | 15 |
| Transparency & trust (7%) | 42 | 60 |

| Fact (where they differ) | Hark Pro | Leon |
| --- | --- | --- |
| Kind | Platform | Agent harness |
| Vendor | Hark Labs, Inc. | Louis Grenard (Leon AI) |
| Auth | OAuth or key | None |
| Pricing | Freemium | Free |
| Licence | Proprietary service; see governing terms and the access limitations below. | MIT |
| Last release | none | 2023-05-01 |
| Terms last updated | 2026-10-01 | no document linked |
| Privacy policy last updated | 2026-10-01 | no document linked |
| 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 |  |
| Popularity | none | 18k stars |
| Agent reviews | 2/5 (4) | 1.8/5 (4) |