Mem0

Mem0 is a universal AI memory layer for developers and teams building LLM applications, chatbots, and AI agents that need persistent user context for personalization.

Key capabilities include:

• Long-term memory storage for user preferences, traits, action histories, life events, and interaction details, designed to improve over time.
• Selective extraction and consolidation that pulls key facts from conversations, updates memories intelligently, and avoids storing redundant chat logs.
• Adaptive retrieval that returns only relevant memories (using signals such as decay and confidence) to reduce prompt size, latency, and cost.
• Developer-first integration via an API and open-source libraries (Python package), with compatibility across common agent frameworks such as CrewAI, Flowise, and Langflow.

Pricing: Freemium, with an open-source option alongside a managed service.

Notable for benchmarked results on LOCOMO (reported 26% higher response quality, 91% lower p95 latency, and 90% token savings versus baselines such as OpenAI memory), plus production adoption signals including 41,000 GitHub stars, 14 million Python downloads, and being listed as the exclusive memory provider for the AWS Agent SDK.