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With AI, Everyone is a Dev. EveryDev.ai © 2026
    1. Home
    2. Developers
    3. LangWatch

    LangWatch

    LangWatch helps AI teams build, monitor, and improve their AI solutions by bridging the gap between development and production reliability.

    Visit Website

    At a Glance

    2Tools Listed
    5Products
    18Tool Views
    8Capabilities
    Discussions
    Amsterdam, NetherlandsHeadquarters
    2023Est.
    30Employees
    Focus Areas
    LLM Evaluations
    Observability Platforms
    Agent Frameworks
    Automated Testing
    Connect
    Latest News
    The Context Tax: When to Compact Your Coding AgentAug 2, 2026
    Introducing Langy: Your Automated AI EngineerJul 22, 2026
    Markets
    • Enterprise AI teams
    • AI startups
    • Developers building LLM-powered applications

    AI Tools by LangWatch

    (2)
    View Scenario
    Scenario tool icon

    Scenario

    AI Agent Simulation Testing Framework

    Automated TestingAgent FrameworksLLM Evaluations
    View LangWatch
    LangWatch tool icon

    LangWatch

    LLM Observability and Agent Platform

    LLM EvaluationsObservabilityAgent Frameworks

    Discussions

    No discussions yet

    Be the first to start a discussion about LangWatch

    Latest News

    08/02/2026

    The Context Tax: When to Compact Your Coding Agent

    langwatch.ai
    07/22/2026

    Introducing Langy: Your Automated AI Engineer

    langwatch.ai
    06/02/2026

    Introducing: Testing voice agents like you test your chat agents

    langwatch.ai
    05/31/2026

    The Whole Platform Is Now Open Source: LangWatch May 2026 Update

    langwatch.ai

    Products & Services

    5
    LangWatch Platform
    2026-04

    Core platform for LLM evaluation, observability, and optimization.

    Langy
    2026-07-22

    An automated AI engineer that answers questions about agents from traces and code.

    Voice AI Testing
    2026-06-02

    Simulate and test voice AI agents at scale before customer interaction.

    Scenario

    Agentic AI testing tool to run realistic user scenarios against agents.

    Market Position

    Positions itself as an 'all-in-one' LLMops platform focusing on reliability and engineering-led AI development, competing with LangChain (LangSmith), Arize AI, and Comet.

    Leadership

    Founders

    MD

    Manouk Draisma

    Co-founder & CEO. Previously held commercial leadership roles at Lightspeed and Biller. Met Rogerio at Antler Amsterdam.

    RC

    Rogerio Chaves

    Co-founder & CTO. Former engineer at Booking.com where he built early AI agents. Previously at ThoughtWorks. Background in React, TypeScript, GraphQL, and ML.

    Executive Team

    MD

    Manouk Draisma

    Co-founder & CEO

    Commercial leadership at Lightspeed and Biller.

    RC

    Rogerio Chaves

    Co-founder & CTO

    Built first AI agents at Booking.com; Engineering at ThoughtWorks.

    Board of Directors

    RD
    Robert Dighero
    Board Member (Passion Capital)
    SV
    Sander Vonk
    Board Member (Volta Ventures)
    YD
    Youri Doeleman
    Board Member (Antler)

    Founding Story

    Founded by Manouk Draisma and Rogerio Chaves who met at Antler Amsterdam. They recognized the difficulty in understanding user interactions with GenAI systems and the fragility of AI in production.

    Business Model

    Revenue Model

    SaaS subscription (per seat) plus usage-based pricing for events and storage.

    Pricing Tiers

    Developer
    $0

    50k events/month, 14-day data access, 2 users, 3 scenarios/simulations/custom evals.

    Growth
    $34 / core-seat / month

    200k events included ($6/100k after), 30-day retention, unlimited simulations/evals/prompts.

    Enterprise
    Custom

    Self-hosted/on-prem, custom retention, SSO/RBAC, audit logs, SLAs, and dedicated support.

    Private

    Target Markets

    Industries & Segments
    • Enterprise AI teams
    • AI startups
    • Developers building LLM-powered applications
    Use Cases
    • Testing AI agents before production
    • Monitoring cost and latency of LLM stacks
    • Red-teaming AI applications for safety
    • Managing prompts as code
    • Evaluating model performance and hallucinations
    Notable Customers
    • Vinny
    • Booking.com
    • Massive Agency

    Quick Facts

    Headquarters
    Amsterdam, Netherlands
    Founded
    2023
    Entity Type
    B.V.
    Employees
    30
    Total Funding
    €1,000,000
    Investors
    Passion Capital, Volta Ventures
    Office Locations
    Amsterdam

    Funding History

    Pre-Seed€1,000,000
    2025-02-25
    Passion Capital

    History & Milestones

    2026-04-30

    Released LangWatch v3.0 and the April 2026 Product Drop.

    2026-05-31

    Announced that the entire LangWatch platform is now open source.

    2026-06-02

    Launched Voice AI testing capabilities.

    2026-07-22

    Introduced 'Langy', an automated AI engineer agent.

    2025-02-25

    Raised €1 million in pre-seed funding led by Passion Capital.

    Key Capabilities

    8
    Agent Simulations
    LLM Evaluation
    LLM Observability
    AI Governance
    Prompt Management
    Voice AI Testing

    Integrations & Partnerships

    Platform Integrations

    • Claude Code
    • GitHub
    • AWS
    • Google Cloud
    • Slack
    • Microsoft Teams

    Key Partnerships

    Antler Amsterdam
    Passion Capital
    Volta Ventures

    Connect

    Website
    langwatch.ai
    GitHub
    langwatch
    LinkedIn
    manoukdraisma

    AI Topics

    4

    LangWatch focuses on these topics:

    LLM Evaluations(2)
    Observability Platforms(1)
    Agent Frameworks(2)
    Automated Testing(1)
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