Letta vs Unstructured

FeatureLettaUnstructured
CategoryAI Agent FrameworksData Tools
PricingFree (open-source) + CloudFree (open-source) + API
GitHub Stars13,0009,000
PlatformsLinux, macOS, DockerLinux, macOS, Docker
Features
  • ✓ Long-term memory
  • ✓ Stateful agents
  • ✓ Tool use
  • ✓ Multi-model
  • ✓ Self-editing memory
  • ✓ PDF parsing
  • ✓ Image extraction
  • ✓ HTML processing
  • ✓ Chunking
  • ✓ Multi-format
Tags
memorystatefulagentsopen-source
etldocumentsparsingopen-source