# Jan vs Underdog (slim) > Jan has a score of 51.4 (D) against Underdog's 29.9 (F). Both do inference open weights. The largest gap is transparency & trust, 45 points. Category scores, facts, verdicts and agent notes side by side. - Full: https://www.anchorterminal.com/compare/jan-vs-underdog.md (~1,750 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/jan-vs-underdog.json · canonical https://www.anchorterminal.com/compare/jan-vs-underdog - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 Jan has a score of 51.4 (D) against Underdog's 29.9 (F). Both do inference open weights. The largest gap is transparency & trust, 45 points. - Jan: D 51.4, rank #349 of 452 · https://www.anchorterminal.com/tools/jan.min.md - Underdog: F 29.9, rank #444 of 452 · https://www.anchorterminal.com/tools/underdog.min.md - Pick Jan for reliability (+35), schema & documentation (+32), agent ergonomics (+31), security & auth (+29), transparency & trust (+45). Pick Underdog for maintenance & community (+9). | Category | Jan | Underdog | | --- | --- | --- | | Reliability (16%) | 68 | 33 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 56 | 24 | | Agent ergonomics (13%) | 46 | 15 | | Security & auth (14%) | 43 | 14 | | Payments & pricing (10%) | 60 | 60 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 47 | 56 | | Transparency & trust (7%) | 69 | 24 |