Bench'd
Claim
llamaindex-memory 0.0 on LoCoMollm-baseline 0.0 on LoCoMomem0-local 0.0 on LongMemEvalmem0-local 0.0 on LongMemEvalllamaindex-memory 0.0 on LongMemEvalllm-baseline 0.0 on LongMemEvallangchain-memory 0.0 on LongMemEvalcognee 0.0 on LongMemEval13 systems independently scored64 systems indexedllamaindex-memory 0.0 on LoCoMollm-baseline 0.0 on LoCoMomem0-local 0.0 on LongMemEvalmem0-local 0.0 on LongMemEvalllamaindex-memory 0.0 on LongMemEvalllm-baseline 0.0 on LongMemEvallangchain-memory 0.0 on LongMemEvalcognee 0.0 on LongMemEval13 systems independently scored64 systems indexed

LangMem

Listed
LangChain IncWebsiteGitHub(2.1k)DocsLast tested May 2, 2026

Standalone long-term memory SDK from LangChain for extracting, storing, and retrieving memories across agent sessions. Supports semantic and episodic memory with configurable storage backends.

This system is indexed but hasn't been benchmarked yet.

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