Top Letta Alternatives (2026)
Compare the best alternatives and competitors to Letta in the AI Agent Memory category. We've gathered 7 similar ai agent memory AI agents so you can weigh features, pricing, and access models before you choose.
Back to Letta
LangMem
Helping AI agents learn and adapt from interactions over time
cognee
Reliable LLM Memory for AI Applications and AI Agents
MemGPT
An LLM framework for building autonomous agents with long-term memory and customizable tools.
AI Drive
Robust cloud storage and advanced file management. Trusted by top universities & 1000+ org
THEO
MAKE YOUR CURRENT AI ASSISTANT TRULY UNDERSTAND YOUR BUSINESS
Zep
Memory foundation for AI stacks, enabling personalized agents and assistants.
Mem0
AI memory layer that enhances LLMs with personalized, long-term context retention
How to choose a Letta alternative
When comparing alternatives to Letta, start with the ai agent memory AI agents that match your access model (open-source, API, or closed-source) and budget. Then evaluate features, integrations, and user reviews on each product page.
Open any agent above to see a full breakdown of its features, use cases, pricing, and reviews, then compare it directly against Letta.
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