# CowAgent vs Leon (slim)

> CowAgent scores 58.5 (C) to Leon's 41 (E) for assistant proactive. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cowagent-vs-leon.md (~2,500 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/cowagent-vs-leon.json · canonical https://www.anchorterminal.com/compare/cowagent-vs-leon
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12

CowAgent scores 58.5 (C) on agent readiness against Leon's 41 (E), and leads in 5 of 7 scored categories. Leon leads on transparency & trust. Both do assistant proactive.

- CowAgent: C 58.5, rank #591 of 986 · https://www.anchorterminal.com/tools/cowagent.min.md
- Leon: E 41, rank #934 of 986 · https://www.anchorterminal.com/tools/leon.min.md
- CowAgent, good for One technical owner who wants an assistant on WeChat, Feishu, DingTalk, Telegram, Slack or Discord with memory in local files and a choice of Chinese and Western model providers. Ahead on Reliability, 84 against 32; Schema & documentation, 67 against 33; Security & auth, 43 against 34; Maintenance & community, 83 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 Transparency & trust, 60 against 45. Also No key needed to call it; No incidents deducted, where CowAgent loses 5 points for them.

| Category | CowAgent | Leon |
| --- | --- | --- |
| Reliability (16%) | 84 | 32 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 67 | 33 |
| Agent ergonomics (13%) | 59 | 57 |
| Security & auth (14%) | 43 | 34 |
| Payments & pricing (10%) | 60 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 15 |
| Transparency & trust (7%) | 45 | 60 |

| Fact (where they differ) | CowAgent | Leon |
| --- | --- | --- |
| Vendor | zhayujie | Louis Grenard (Leon AI) |
| Transports | HTTP |  |
| Auth | OAuth or key | None |
| Read-only variant documented | yes | no |
| llms.txt | yes | no |
| Last release | 2026-09-30 | 2023-05-01 |
| Popularity | 47k stars | 18k stars |