User Memory Platforms

4 memory platforms for AI agents and chatbots. Click any row for details.

Platform
Stars
Approach
Hosting
Pricing
SDKs
Scopes
Temporal
Self-improving
Multi-tenant
Search
Storage
Funding
Cognee
Knowledge graph platform for AI applications
Python · v1.0.0
15.2k
knowledge graphvector
cloudself-hosted
freemium
PythonREST API
useragent
PartialYesYes
semanticgraphkeyword
PostgreSQLNeo4jcloud
Venture-backed
Letta
Stateful agent framework with memory tiers
Python · 0.16.7
22.0k
OS-style memory tiers
cloudself-hosted
freemium
PythonTypeScriptREST API
agentusersession
PartialYesYes
semantickeyword
PostgreSQLcloud
Venture-backed
Mem0
Memory layer for personalized AI
Python, TypeScript · cli-node-v0.2.3
52.8k
vectorgraph
cloudself-hosted
freemium
PythonTypeScriptREST API
usersessionagent
PartialYesYes
semanticgraph
cloudself-hosted
$24M Series A
Zep
Memory and knowledge engine for assistants
Python, TypeScript · mcp-v1.0.2
24.8k
temporal knowledge graph
cloudself-hosted
paid
PythonTypeScriptREST APILangChain
usersessionagentorg
YesYesYes
semanticgraphkeywordhybrid
cloudNeo4j
Venture-backed

Click any row for details