Letta vs Fireworks AI

FeatureLettaFireworks AI
CategoryAI Agent FrameworksAI Development
PricingFree (open-source) + CloudPay-per-use
GitHub Stars13,000—
PlatformsLinux, macOS, DockerWeb
Features
  • ✓ Long-term memory
  • ✓ Stateful agents
  • ✓ Tool use
  • ✓ Multi-model
  • ✓ Self-editing memory
  • ✓ Fast inference
  • ✓ Fine-tuning
  • ✓ Function calling
  • ✓ JSON mode
  • ✓ Batch API
Tags
memorystatefulagentsopen-source
inferencefastcloudapi