Instructor vs Vercel AI SDK

FeatureInstructorVercel AI SDK
CategoryAI DevelopmentAI Development
PricingFree (open-source)Free (open-source)
GitHub Stars9,00012,000
PlatformsLinux, macOS, WindowsWeb
Features
  • ✓ Structured output
  • ✓ Pydantic models
  • ✓ Retry logic
  • ✓ Streaming
  • ✓ Multi-provider
  • ✓ React hooks
  • ✓ Streaming
  • ✓ Multi-model
  • ✓ Tool calling
  • ✓ Structured output
  • ✓ Edge runtime
Tags
structured-outputpydanticpythonopen-source
open-sourcetypescriptreactstreamingsdk