Mem0 vs Letta

FeatureMem0Letta
CategoryAI DevelopmentAI Agent Frameworks
PricingFree (open-source) + CloudFree (open-source) + Cloud
GitHub Stars23,00013,000
PlatformsLinux, macOS, DockerLinux, macOS, Docker
Features
  • ✓ Long-term memory
  • ✓ User preferences
  • ✓ Multi-level memory
  • ✓ API
  • ✓ Self-improving
  • ✓ Long-term memory
  • ✓ Stateful agents
  • ✓ Tool use
  • ✓ Multi-model
  • ✓ Self-editing memory
Tags
memoryagentspersonalizationopen-source
memorystatefulagentsopen-source