LangWatch logo — Run multi-turn simulations, surface exactly where your agent...

LangWatch

Run multi-turn simulations, surface exactly where your agent breaks, and gate every release in CI.

Founded 2023 The Netherlands The Netherlands 10 employees Seed Total: $1.10M Analytics

General Information

Company Name LangWatch
Founded Year 2023
Location The Netherlands The Netherlands
Employees 10
Industries Analytics
Funding Stage Seed
Business Model B2B, SaaS, Platform
Revenue Model Subscription, Usage Based, Freemium
Offices as of Oct 2026
Amsterdam, The Netherlands
Social

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A one-page PDF brief: what it does, key facts, the last 90 days of dated moves and questions worth asking. Re-checked on the day you order. See a sample

Recorded by Bounce Watch from public sources. Every entry below carries the date we observed it, and when we have not looked recently the page says so rather than leaving silence to imply nothing happened.

Feature Release Oct 21, 2026

LangWatch launched a new capability to connect and monitor Claude Code, Codex, Copilot, Gemini CLI, and opencode, allowing users to track model requests, tool executions, token usage, and costs.

Event Participation Oct 21, 2026

LangWatch's co-founder and CTO, Rogério Chaves, participated as a speaker in the second episode of the #AIWhereItMatters ADC Consulting conversation, discussing red teaming for AI agents.

LinkedIn Growth Sep 24, 2026

LinkedIn followers increased by 11% over 30 days (3,330 → 3,697).

AI Insight

Bounce Watch AI
1 month ago

LangWatch is demonstrating significant strategic momentum, marked by the September 2026 launch of "Prompt Optimization with Agent Langy" and a substantial website update. These product enhancements, coupled with hosting an educational webinar, signal an intensified focus on refining their core AI agent testing platform and strengthening market leadership post-seed funding. This aggressive push suggests a strategic effort to capture market share and prepare for accelerated growth.

Signal Types
Product Launch Strategic Update Marketing Activity
Strategic Labels
Product Innovation Market Expansion Platform Enhancement
Next Move: Fundraising
·
Impact: 8/10
·
Ideal For: AI Infrastructure VCs — Series A

About LangWatch

LangWatch, founded in 2023 and headquartered in The Netherlands, is setting a new standard in the Analytics industry with its agent testing platform designed for the AI agent era. Their mission encapsulated in the slogan, “Run multi-turn simulations, surface exactly where your agent breaks, and gate every release in CI,” highlights its focus on proactive problem-solving.

The company's unique strength lies in simulating AI agents against realistic, multi-turn scenarios, thereby identifying failures before reaching end-users. This approach, harnessed with Pre-Production Testing and advanced AI Governance, builds a robust safety net for AI agent deployment. Its innovative platform is trusted by tech giants such as Deloitte, Backbase, Danske Bank, and PagBank.

Having secured a €1.00M seed investment in February 2025 from notable investors including Antler, Volta Ventures, and Passion Capital, LangWatch is poised for scaling and deeper market penetration, signaling a compelling opportunity for further investment.

Business keywords: AI Agent Testing, Multi-Turn Simulations, AI Governance, Agent Observability, Scenario Simulation, Model Evaluation, Pre-Production Testing, Regulated Industry Compliance, Agent Pipeline Validation, Audit Trails, AI Reliability, AI Safety, Agent Debugging, Enterprise AI Solutions

Services & Products

Automated AI Testing
Simulation and Evaluation of AI Agents
AI Governance and Compliance
AI Prompt Management
Real-time Agent Monitoring
Enterprise AI Deployment

Target Customers

CTOs Engineers AI Architects Product Leaders Enterprises Shipping AI Developers of AI Agents

Pricing

as listed on Oct 16, 2026

Free plan · €29/month per seat · Enterprise on request

  • Developer: free
  • Growth: €29/month per seat
  • Enterprise: contact sales
LangWatch's pricing page

Funding Rounds & Investors (2)

View All
Funding Stage Amount Investors Lead Investors Date
Seed €1.00M 3
Antler, Volta Ventures +1
01 Feb 2025
Seed €100.00K 1
Antler
01 Nov 2023

LangWatch Alternatives & Competitors

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LangWatch vs
Practicus AI
Practicus AI United States

Infinite Possibilities, One AI Platform

Seed
9 employees
AI, Analytics
LangWatch vs
Ango AI
Ango AI Turkey

All-in-one data labeling solutions.

Acquired
8 employees
AI, Analytics
LangWatch vs

Build high-quality datasets, fast.

Series A
49 employees
AI, Analytics

FAQ About LangWatch

Run multi-turn simulations, surface exactly where your agent breaks, and gate every release in CI.
LangWatch was founded in 2023.
LangWatch is headquartered in The Netherlands. As of Oct 2026, it also has offices in Amsterdam, The Netherlands.
LangWatch operates in Analytics. Its work centres on AI Agent Testing, Multi-Turn Simulations, AI Governance and Agent Observability. Its customers include CTOs, Engineers and AI Architects.
LangWatch has a B2B, SaaS and Platform business model. Its revenue comes from Subscription, Usage Based and Freemium.
As listed on LangWatch's pricing page on Oct 16, 2026: Free plan · €29/month per seat · Enterprise on request (Developer: free; Growth: €29/month per seat; Enterprise: contact sales).
LangWatch has approximately 10 employees.
LangWatch has completed 2 funding rounds, raising a total of $1.10M. The latest funding stage is Seed.
LangWatch offers: Automated AI Testing, Simulation and Evaluation of AI Agents, AI Governance and Compliance, AI Prompt Management, Real-time Agent Monitoring, Enterprise AI Deployment.
Top alternatives and competitors to LangWatch include Practicus AI, Ango AI, Kili Technology, Digazu - PipeStore, Soda. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
LangWatch and Practicus AI are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for LangWatch, https://bouncewatch.com/company/langwatch, updated 10 October 2026. When citing, please name BounceWatch and link this page.

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