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LangGraph vs Vercel AI SDK

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

LangGraph ranks higher with an HVTrust score of 93.3 vs 92.6/100 . HVTrust reflects supply-chain safety, transparency, maintenance, and adoption — weighted by how much verifiable evidence exists.
SignalLangGraphVercel AI SDK
HVTrust score93.392.6
Evidence gradeAA
Registry stateListedListed
Safety / Integrity (25)21.020.6
Identity / Provenance (18)18.018.0
Transparency (17)14.314.0
Maintenance (20)20.020.0
Adoption (20)20.020.0
GitHub stars33.9k24.7k
Weekly downloads16,239,92514,227,326
Last push2026-06-042026-06-04
LanguagePythonTypeScript
OSSF Scorecard6.86.5
Review flags——
Recent change2026-06-01: HVTrust up 3.8pts (89.5 → 93.3)2026-06-01: HVTrust up 3.1pts (88.9 → 92.0)
Full LangGraph report → Full Vercel AI SDK report → All Agent Frameworks →