Letta vs Crawl4AI

FeatureLettaCrawl4AI
CategoryAI Agent FrameworksAI Development
PricingFree (open-source) + CloudFree (open-source)
GitHub Stars13,00050,000
PlatformsLinux, macOS, DockermacOS, Linux, Windows
Features
  • ✓ Long-term memory
  • ✓ Stateful agents
  • ✓ Tool use
  • ✓ Multi-model
  • ✓ Self-editing memory
  • ✓ LLM-ready output
  • ✓ Markdown extraction
  • ✓ JavaScript rendering
  • ✓ Structured data
  • ✓ Batch crawling
  • ✓ API server
Tags
memorystatefulagentsopen-source
open-sourcescrapingcrawlerragdata