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Memory for AI agents

Compare memory tools

Link
Mem0 logoMem0Free tier; paid from $19/moOpen source✓ YesVisit ↗
Zep logoZepPaid from $125/moPartly open source✓ YesVisit ↗
Letta logoLettaFree tier; paid from $20/moOpen source✓ YesVisit ↗
Supermemory logoSupermemoryPaid from $19/moOpen source✓ YesVisit ↗
Pinecone logoPineconeFree tier; paid from $20/moProprietary✓ YesVisit ↗
Weaviate logoWeaviateFree tier; usage-basedOpen source✓ YesVisit ↗
Chroma logoChromaUsage-based; $5 free credits (OSS self-host free)Open source✓ YesVisit ↗

All memory tools

Mem0 logoMem0
Memory layer for AI agents
Free tier; paid from $19/moOpen sourceZep logoZep
Agent memory via temporal knowledge graph
Paid from $125/moPartly open sourceLetta logoLetta
Stateful agents with long-term memory (formerly MemGPT)
Free tier; paid from $20/moOpen sourceSupermemory logoSupermemory
Memory API for AI apps
Paid from $19/moOpen sourcePinecone logoPinecone
Managed vector database
Free tier; paid from $20/moProprietaryWeaviate logoWeaviate
Open-source vector database
Free tier; usage-basedOpen sourceChroma logoChroma
Open-source embedding database
Usage-based; $5 free credits (OSS self-host free)Open source