LettavsTabnine

Full side-by-side comparison — features, pricing, platforms, and which one wins in 2026.

Letta

AI Agent Frameworks

Build stateful AI agents with long-term memory

Tabnine

Coding Assistants

AI code assistant with whole-line and full-function completions

FeatureLettaTabnine
CategoryAI Agent FrameworksCoding Assistants
PricingFree (open-source) + CloudFree + Pro $12/mo
GitHub Stars
More stars
13k
PlatformsLinux, macOS, DockermacOS, Linux, Windows
Key Features
  • Long-term memory
  • Stateful agents
  • Tool use
  • Multi-model
  • Self-editing memory
  • Code completion
  • Privacy-first
  • On-premise option
  • Multi-language
  • Team learning
Pros
  • + Solves long-term memory problem
  • + Self-editing memory
  • + Stateful agents
  • + Multi-model support
  • + Active research backing
  • + Privacy-first (local processing)
  • + On-premise deployment option
  • + Team model training
  • + Wide IDE support
  • + Fast completions
Cons
  • Complex memory management
  • Performance overhead
  • Rebranding confusion
  • Still experimental
  • Less accurate than Copilot
  • $12/mo for Pro
  • Limited chat capabilities
  • Smaller model than competitors
Tags
memorystatefulagentsopen-source
codingcompletionprivacyenterprise

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