# Del vs Leon (slim)

> Leon scores 41 (E) to Del's 20.6 (F) for assistants that act in your accounts. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/del-vs-leon.md (~3,200 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/del-vs-leon.json · canonical https://www.anchorterminal.com/compare/del-vs-leon
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-13

Leon scores 41 (E) on agent readiness against Del's 20.6 (F), and leads in 6 of 7 scored categories. Del leads on maintenance & community. Both do assistants that act in your accounts.

- Del: F 20.6, rank #991 of 1010 · https://www.anchorterminal.com/tools/del.min.md
- Leon: E 41, rank #938 of 1010 · https://www.anchorterminal.com/tools/leon.min.md
- Del, good for People who want tasks, notes, reminders and Gmail handled by text on the channel they already use. Ahead on Maintenance & community, 60 against 15.
- 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 25; Schema & documentation, 33 against 10; Agent ergonomics, 57 against 0; Security & auth, 34 against 0; Payments & pricing, 60 against 30. Also No key needed to call it; Open source.

| Category | Del | Leon |
| --- | --- | --- |
| Reliability (16%) | 25 | 32 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 10 | 33 |
| Agent ergonomics (13%) | 0 | 57 |
| Security & auth (14%) | 0 | 34 |
| Payments & pricing (10%) | 30 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 15 |
| Transparency & trust (7%) | 57 | 60 |

| Fact (where they differ) | Del | Leon |
| --- | --- | --- |
| Kind | Platform | Agent harness |
| Vendor | Human Interface, Inc. | Louis Grenard (Leon AI) |
| Auth | OAuth or key | None |
| Pricing | Paid | Free |
| Licence | Closed service under Del's Terms of Service (Human Interface, Inc., a Delaware corporation, last updated 5 August 2026). | MIT |
| llms.txt | yes | no |
| Last release | 2026-10-07 | 2023-05-01 |
| Terms last updated |  | no document linked |
| Privacy policy last updated |  | no document linked |
| Popularity | none | 18k stars |