# GAIA vs Leon (slim)

> GAIA scores 49.5 (D) to Leon's 41 (E) for assistant proactive. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/gaia-vs-leon.md (~2,500 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/gaia-vs-leon.json · canonical https://www.anchorterminal.com/compare/gaia-vs-leon
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12

GAIA scores 49.5 (D) on agent readiness against Leon's 41 (E), and leads in 4 of 7 scored categories. Leon leads on payments & pricing. Both do assistant proactive.

- GAIA: D 49.5, rank #813 of 986 · https://www.anchorterminal.com/tools/gaia.min.md
- Leon: E 41, rank #934 of 986 · https://www.anchorterminal.com/tools/leon.min.md
- GAIA, good for It suits one person who wants mail triage, meeting briefs, todos and scheduled workflows from one assistant reachable on WhatsApp, Telegram, Slack, Discord or iMessage, and who wants to read the source. Ahead on Reliability, 67 against 32; Schema & documentation, 51 against 33; Security & auth, 54 against 34; Maintenance & community, 78 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 Payments & pricing, 60 against 20. Also No key needed to call it; Free to start without a card; Open source; No incidents deducted, where GAIA loses 5 points for them.

| Category | GAIA | Leon |
| --- | --- | --- |
| Reliability (16%) | 67 | 32 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 51 | 33 |
| Agent ergonomics (13%) | 54 | 57 |
| Security & auth (14%) | 54 | 34 |
| Payments & pricing (10%) | 20 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 78 | 15 |
| Transparency & trust (7%) | 60 | 60 |

| Fact (where they differ) | GAIA | Leon |
| --- | --- | --- |
| Kind | Platform | Agent harness |
| Vendor | The Experience Company | Louis Grenard (Leon AI) |
| Auth | OAuth | None |
| Pricing | Paid | Free |
| Licence | PolyForm-Noncommercial-1.0.0 | MIT |
| llms.txt | yes | no |
| Last release | 2026-09-14 | 2023-05-01 |
| Terms last updated | 2026-08-14 | no document linked |
| Privacy policy last updated | 2026-08-07 | no document linked |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 308 stars | 18k stars |