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LangSmith

LangChain · Evals & observability
Tracing, evaluation and prompt management from LangChain.

LangSmith traces any LLM app (not just LangChain), runs online and offline evals and manages prompts and datasets.

Free · from $39used by 8+ StackOpen LangSmith ↗

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Blacksmith raises $66M Series C led by Sequoia Capital at $1B valuationTechCrunch · Oct 21

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Who uses LangSmith · 7

Members with LangSmith in their stack. Ask one for a reference call before you buy; the ask lands in their AI Lounge inbox in your words.
@wence412
WenceStudio SmartDesign$0–$100K ARR
Developer · WenceStudio by SmartDesign · Dallas
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@ramirezgrosas
Diego Ramírez Rosas$0–$100K ARR
Founder · Vora Corporation · Bogotá
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@jillanisoftech
Muhammad Ghulam Jillani$0–$100K ARR
Founder and CEO, Principal Generative AI Architect · Jillani SofTech · New York
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@alvarezpongo
Alejandro Alvarez Torres$0–$100K ARR
Creador de QueryPilot (AI Data Agent) · QueryPilot · Montevideo
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@tam159
Tam Nguyen
Lead AI Engineer · Independent · Ho Chi Minh City
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@aitelcaidhmad
Hmad Ait Elcaid
AI Enginner & Full stack developer · contractor · Istanbul
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@ankitnayak-dev
Ankit Nayak
Software Engineer · New Delhi
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Evals & observability