Letta
AI agents with long-term memory
4.3(94 reviews)freemium
free tieropen sourceapi access
Open-source framework for building AI agents with persistent, editable memory that allows agents to remember across sessions.
Pros
- Persistent agent memory
- Fully open-source
- Memory editing and inspection
Cons
- Technical setup required
- Niche memory focus
Best For
Developers building AI agents that need to remember and learn across multiple sessions
Pricing
Free
Free
- Core features
- Email support
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