Letta vs ComfyUI

FeatureLettaComfyUI
CategoryAI Agent FrameworksAI Image Generation
PricingFree (open-source) + CloudFree (open-source)
GitHub Stars13,00075,000
PlatformsLinux, macOS, DockermacOS, Linux, Windows
Features
  • ✓ Long-term memory
  • ✓ Stateful agents
  • ✓ Tool use
  • ✓ Multi-model
  • ✓ Self-editing memory
  • ✓ Visual node editor
  • ✓ Flux support
  • ✓ ControlNet
  • ✓ LoRA training
  • ✓ Batch processing
  • ✓ REST API
  • ✓ Custom nodes
Tags
memorystatefulagentsopen-source
open-sourceimage-generationfluxstable-diffusionnode-based