Letta

Platform for stateful agents that remember and learn (from MemGPT).

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Pricing

Model: freemium
Starting price: $20/mo
Source: Pricing page ↗

Niches

Best for

Add long-term memory and knowledge to an agent

▸ Agents with self-editing memory.

Related use cases

Build an AI agent in code Add a backend and deploy your vibe-coded app Build agent workflows without coding Launch a phone/voice AI agent