Docling vs Letta

FeatureDoclingLetta
CategoryData ToolsAI Agent Frameworks
PricingFree (open-source)Free (open-source) + Cloud
GitHub Stars15,00013,000
PlatformsLinux, macOS, WindowsLinux, macOS, Docker
Features
  • ✓ PDF conversion
  • ✓ Table extraction
  • ✓ OCR
  • ✓ Markdown output
  • ✓ LlamaIndex integration
  • ✓ Long-term memory
  • ✓ Stateful agents
  • ✓ Tool use
  • ✓ Multi-model
  • ✓ Self-editing memory
Tags
documentspdfconversionibm
memorystatefulagentsopen-source