Head to head

Scale AI vs LangSmith

Scale AI (Scale AI) and LangSmith (LangChain) both sit in Infrastructure & Serving. Scale AI is the cheaper entry point at Enterprise quoted. Every value below comes from the latest crawl of the vendors' own pages.

AttributeScale AI

Scale AI

LangSmith

LangChain

SegmentInfrastructure & ServingInfrastructure & Serving
Version20252025
Entry costEnterprise quotedFree tier · from $39/mo
Pricing tiers
Model stackserves frontier labsmodel-agnostic
Context window
Public API
Routes models
Changes / 30d00
OriginGlobalGlobal
CapabilitiesRLHF data, Evals, Government programsTraces, Datasets, Evaluators
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