Langwatch

Ship quality Agentic AI at scale

Amsterdam, Netherlands · Founded 2023 · $1.1M raised

Headquarters
Amsterdam
Employees
11–50
Founded
2023
Business Model
B2B
Total Funding
$1.1M
Last Round
$1.1M Pre-SeedFeb 2025
Rounds
1

About

LangWatch is an open-source LLMOps platform that helps engineering teams test, evaluate, and monitor LLM-powered AI agents end-to-end. The platform provides agent simulations, LLM observability, prompt management, real-time evaluations, and dataset management — enabling teams to prevent regressions, debug production issues, and ship reliable AI at scale. LangWatch is OpenTelemetry-native, integrates with all major AI frameworks (LangChain, DSPy, CrewAI, LangGraph), and is ISO 27001 / SOC2 certified. It has 5,600+ GitHub stars and processes 900,000+ daily evaluations.

Summary

Langwatch is an Artificial Intelligence company based in Amsterdam, Netherlands, founded in 2023. It has raised $1.1M in total across 1 round, most recently a $1.1M Pre-Seed round in Feb 2025. Investors include Passion Capital, Volta Global and Antler.

Tech & App Stack

5 technologies & apps tracked

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Funding History

Pre-seedPre-SeedFeb 2025
$1.1M

Investors

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