Navigate the landscape of AI memory performance

Updated Apr 2026

Transparency notice: Most scores on Memory Arena are estimates derived from capability profiles, not real benchmark runs. Each score shows its provenance badge. Learn more

Top Memory Systems

Ranked by composite capability score

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Showing 235 of 235 systems

SystemLONG CONTEXTMULTI-TURNCROSS-SESSIONMULTI-HOP QAAGENT TASKPERSONALIZATIONFACTUALITY
SystemTypeLongMemEvalLoCoMoBABILongRULERNIAHLooGLELongBench∞BenchMultiHop-RAGHotpotQAPerLTQAMemoryBankRAGASAgentBench-Mem
Mem0
Mem0
Agent66.978
Letta
Letta (formerly MemGPT)
Agent60.464.252.7
Zep
Zep AI
Agent71.271.364.8
Cognee
Cognee
RAG57.271.571.4
LangMem
LangChain
Agent58.3617167.871.162.7
Memori
GibsonAI
Agent54.854.867.66572.656.9
Memary
Kingjulio8238
Agent75.571.776.852.754.272
MemoryScope
Alibaba ModelScope
Agent63.766.673.271.274.368.9
Graphiti
Zep AI
KG73.266.462.1
txtai
NeuML
RAG75.76065.449.568.9
LlamaIndex Memory
LlamaIndex
RAG56.856.56070.267.572.159.7
Haystack Memory
deepset
RAG63.262.86072.151.270.469.7
ChatGPT Memory
OpenAI
Personal61.560.367.770.864.8
Claude Projects
Anthropic
Personal6466.66070.47276.568
Gemini Memory
Google
Personal62.365.867.471.668.4
Copilot Memory
Microsoft
Personal59.760.767.969.4
Pinecone
Pinecone Systems
RAG82.56071.952.474.2
Weaviate
Weaviate
RAG63.181.56070.753.173
Qdrant
Qdrant
RAG77.9607551.872.6
Chroma
Chroma
RAG74.26069.249.770.5
235 systems · Page 1 of 12

MEMORY ARENA

Built by Founsi · Updated Apr 2026