HVTracker › Agent Frameworks › LangGraph vs PydanticAI

LangGraph vs PydanticAI

An independent, evidence-weighted trust comparison of two agent frameworks — ranked on verifiable signals, not popularity.

LangGraph ranks higher with an HVTrust score of 91.9 vs 90.7/100 . HVTrust reflects supply-chain safety, transparency, maintenance, and adoption — weighted by how much verifiable evidence exists.
SignalLangGraphPydanticAI
HVTrust score91.990.7
Evidence gradeBB
Safety / Integrity (30)25.224.6
Transparency (20)16.816.4
Maintenance (20)19.920.0
Adoption (10)10.09.7
GitHub stars33.4k17.4k
Weekly downloads15,598,5669,496,810
Last push2026-05-292026-05-30
LanguagePythonPython
OSSF Scorecard6.86.4
Full LangGraph report → Full PydanticAI report → All Agent Frameworks →