Letta
Letta is an open AI lab dedicated to solving the fundamental problem of memory in AI, enabling the creation of intelligent machines that can continually learn from exp…
Our verdict
Who it's for
Build AI agents that learn and improve from experience
Who should look elsewhere
The technology is highly specialized, potentially requiring advanced AI development knowledge.
Pros
- +Addresses a critical limitation in current AI: memory and continuous learning.
- +Provides developer tools for building advanced, adaptive AI agents.
- +Backed by significant research and expertise from leading AI institutions.
- +Emphasizes open AI principles and developer empowerment.
Cons
- −The technology is highly specialized, potentially requiring advanced AI development knowledge.
- −Specific pricing and availability details for products like the SDK are not readily apparent.
- −The focus on foundational research means some applications may still be emerging.
Key features
- ✓Memory-first AI agent architecture
- ✓Continual learning capabilities for agents
- ✓Self-improvement mechanisms for AI
- ✓Model-agnostic agent development
- ✓Local operation for personalized agents
- ✓SDK for building learning agents
- ✓Research in AI memory and sleep-time compute
- ✓Context Constitution for managing agent context
Pricing
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | $0 | month | Limited agents; Limited usage of Letta Auto; Bring your own API keys and external coding plans |
| Pro | $20 | month | For personal use; Letta Auto weekly + monthly quota; Pay-as-you-go overage |
| Teams / Enterprise | — | month | Managed per-seat pricing for your business |