Phidata vs Letta

FeaturePhidataLetta
CategoryAI Agent FrameworksAI Agent Frameworks
PricingFree (open-source) + CloudFree (open-source) + Cloud
GitHub Stars15,00013,000
PlatformsLinux, macOS, WindowsLinux, macOS, Docker
Features
  • ✓ Agent memory
  • ✓ Knowledge base
  • ✓ Tool use
  • ✓ Structured output
  • ✓ Multi-model
  • ✓ Long-term memory
  • ✓ Stateful agents
  • ✓ Tool use
  • ✓ Multi-model
  • ✓ Self-editing memory
Tags
agentsmemoryknowledgepython
memorystatefulagentsopen-source