Registry › Compare › LangGraph vs Vercel AI SDK

LangGraph vs Vercel AI SDK

Both are Grade A and 0.6 points apart, so choose on what you weigh most. LangGraph leads on supply-chain integrity and transparency.

A LangGraph 94.4

Build resilient agents.

langchain-ai/langgraph · #2 overall · #2 Agent Frameworks · coverage A (4/5)

Choose LangGraph if supply-chain integrity and transparency matter most.

+1.6Safety / Integrity: OSSF Scorecard 7.1 against 5.8
+1.1Transparency: OSSF Scorecard 7.1 against 5.8

A Vercel AI SDK 93.8

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

vercel/ai · #4 overall · #3 Agent Frameworks · coverage A (4/5)

Vercel AI SDK doesn't lead on any scored dimension in this pair.

Where they differ

21.4

Safety / IntegrityLangGraph +1.6

19.8

14.5

TransparencyLangGraph +1.1

13.4

+0.6

Runtime calibrationVercel AI SDK +2.1

+2.7

3 dimensions identical: Identity 18.0 · Maintenance 19.9 · Adoption 20.0 · Full evidence table

An independent, evidence-based trust comparison of LangGraph and Vercel AI SDK, two Agent Frameworks projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	LangGraphlangchain-ai/langgraph	Vercel AI SDKvercel/ai
HVTrust score	94.4	93.8
Evidence grade	A	A
Coverage grade	A	A
Overall rank	#2	#4
Rank in Agent Frameworks	#2	#3
GitHub stars	44.3k	27.7k
Last updated	1d ago	1d ago
Build provenance	Yes	Yes
OSSF Scorecard	7.1 / 10	5.8 / 10
License	MIT	NOASSERTION
Downloads	18.5M/wk	42.6M/wk
Trust dimensions (points earned)
Safety / integrity / 25	21.4	19.8
Identity & provenance / 18	18.0	18.0
Transparency / 17	14.5	13.4
Maintenance / 20	19.9	19.9
Adoption / 20	20.0	20.0
Runtime capability surface (full matrix)
MCP server	—	Implemented
External providers	—	1 — OpenAI
Requires API keys	No	No
Plugin surface	—	—
Provenance drift	Partial	Match

Open in the live compare tool → LangGraph profile Vercel AI SDK profile More Agent Frameworks →

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →