- vendor
- Letta AI
- whatItIs
- Platform for stateful agents with OS-inspired memory tiers (core, recall, archival) that learn and improve over time.
- hosting
- both
- pricingModel
- token-based metered
- modelProviders
- multi-model
- stateModel
- persistent, multi-tier (core + recall + archival)
- toolModel
- REST API + SDK
- includesBrowser
- false
- includesMemory
- true
- longRunning
- persistent across sessions
- hitlSupport
- true
- observability
- built-in traces
- maturity
- preview
- launched
- 2026-Q2
- notes
- Git-based context management shipped 2026-02. #1 model-agnostic agent at 42.5% on Terminal-Bench.
