AI Infrastructure Comparison
Vercel AI SDK VS LangGraph
Compare Vercel AI SDK and LangGraph side-by-side. Analyze API pricing, DX scores, and killer features to choose the best infrastructure.
VS
Winner
Vercel AI SDK
5 DX SCORE
Killer Features
Next.js optimized & Generative UI integration
Pricing Model
$5 /mo
ContextN/A
Max OutputN/A
RegionsGlobal
LangGraph
4.6 DX SCORE
Killer Features
State machine-based explicit workflow control
Pricing Model
$0.001 /request
ContextN/A
Max OutputN/A
RegionsUS +1
LegoStack Analysis Report
Vercel AI SDKReact Integration
98
SCORE
Efficiency Index53
LangGraphAgent Stability
91.5
SCORE
Efficiency Index74
A deep-dive analysis of Vercel AI SDK (DX 5) and LangGraph (DX 4.6). While Vercel AI SDK excels in Next.js optimized & Generative UI integration, LangGraph offers superior performance in State machine-based explicit workflow control. Discover the actual cost difference based on your project scale now.