
Open-source framework for building stateful AI agents with persistent memory
Few ai agents tools offer as much without a credit card as Letta does - the free plan covers the core workflow with standout capabilities like Persistent Memory, Stateful Agents, Memory Editing, which is why it's earned a loyal base of 10k+ GitHub stars users. At 4.5/5, it's one of the highest-rated free options in its class. Teams on a tight budget will be hard-pressed to find a more capable no-cost alternative.
· Expert analysis by ComparEdge Editorial, Editorial Team
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