Letta vs Portkey

FeatureLettaPortkey
CategoryAI Agent FrameworksAI Development
PricingFree (open-source) + CloudFree + Pro plans
GitHub Stars13,0006,000
PlatformsLinux, macOS, DockerWeb, Docker
Features
  • ✓ Long-term memory
  • ✓ Stateful agents
  • ✓ Tool use
  • ✓ Multi-model
  • ✓ Self-editing memory
  • ✓ AI gateway
  • ✓ Fallbacks
  • ✓ Load balancing
  • ✓ Caching
  • ✓ Observability
Tags
memorystatefulagentsopen-source
gatewayreliabilityobservabilityapi