EXVIV evidence profile
https://www.langchain.com/langsmith
A transparent record of the first-party pages EXVIV monitors for commercial and strategic change. Coverage describes evidence depth, not vendor quality.
Primary sources
Every item below is a first-party public page. A successful baseline is evidence of collection, not evidence that a commercial change occurred.
https://changelog.langchain.com/
https://docs.langchain.com/
https://trust.langchain.com/
https://www.langchain.com/langsmith
https://www.langchain.com/pricing
Reviewed timeline
Only reviewed events appear here. Ordinary page edits and rejected candidates stay out of the public record.
Added “The legacy feedback formula endpoints (POST/GET /feedback/formulas and GET/PUT/DELETE /feedback/formulas/{feedback_formula_id}) that back composite scores are deprecated in favor o”.
A new release or deprecation can change feature parity, migration risk, and the next competitive response.
LangSmith added a supported experiment-comparison API, evaluator CLI creation, multi-turn evaluator testing, run and thread annotation-queue endpoints, and tighter dataset permissions.
An ecosystem expansion can unlock distribution, increase switching costs, or close an adoption gap.
Compare source depth and reviewed evidence across nearby llm observability & evals companies.
Open Evidence Compare →