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LangSmith LangGraph Cloud

by LangChain Inc.

System Card

OrganizationLangChain Inc.
Released2023-01
Architectureagentic-workflow / graph-based agent runtime with observability
DetailsLangSmith is LangChain's production observability platform capturing every LLM call, chain step, and tool invocation with trace visualizations. LangGraph provides a graph-based (DAG/cyclic) agent runtime supporting state machines, human-in-the-loop, and persistence. LangGraph Cloud is the managed deployment layer. Together they form the most complete open-source agent stack with native LangMem memory integration.
Parameters—
Domainagent-memoryrag-retrievalepisodic-session
Open SourcePartial
WebsiteVisit
graph-runtimeobservabilitystate-machinehuman-in-looptracing

Capability Profile

Benchmark Scores

6 of 14 benchmarks
Data Transparency:6 estimated
Long-Context Retrieval
1/5
RULER
no data
NIAH
no data
LooGLE
no data
LongBench
603pEstimated
∞Bench
no data
Multi-Turn Recall
1/2
LoCoMo
75.756pEstimated
MemoryBank
no data
Cross-Session Memory
1/1
LongMemEval
76.453pEstimated
Multi-Hop QA
2/3
BABILong
no data
MultiHop-RAG
73.967pEstimated
HotpotQA
72.859pEstimated
Agent Task Memory
1/1
AgentBench-Mem
7226pEstimated
Personalization
0/1
PerLTQA
no data
Factuality / Grounding
0/1
RAGAS
no data
Sources:Arena estimate — derived from capability profile, not independently verified