HVTracker › Memory & Knowledge › Vespa vs Open WebUI

Vespa vs Open WebUI

An independent, evidence-weighted trust comparison of two memory & knowledge — ranked on verifiable signals, not popularity.

Vespa ranks higher with an HVTrust score of 86.1 vs 86.0/100 . HVTrust reflects supply-chain safety, transparency, maintenance, and adoption — weighted by how much verifiable evidence exists.
SignalVespaOpen WebUI
HVTrust score86.186.0
Evidence gradeBB
Safety / Integrity (30)21.520.0
Transparency (20)15.816.2
Maintenance (20)20.019.9
Adoption (10)8.89.9
GitHub stars6.9k139.3k
Weekly downloads1,974,343387,395
Last push2026-05-302026-05-28
LanguageJavaPython
OSSF Scorecard5.86.2
Full Vespa report → Full Open WebUI report → All Memory & Knowledge →