“When costumer has an issue we can spin up a simulation and give them really concrete evidence it has been fixed.”
- Rory Buchanan - Founder / CTO
"Testing went from afterthought to starting point - engineers now write scenarios before they build, and what used to take half a day takes ten minutes"
-Gijs Gubbels - AI engineer
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“Previously our agent implementation and fixes for customers were all manual throughout the week, now we can have a fix ready and tested next day.”
David - AI engineer
“LangWatch helps us ship AI features with confidence, faster, safer, and without surprises in production.”
-Deepak Pandey - VP Technology
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“When I saw LangWatch for the first time, it reminded me of how we used to evaluate models in classic machine learning. I knew this was exactly what we needed to maintain our high standards at enterprise scale.
Amit Huli - Head of AI
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“Most tools focus on one prompt and one response. But that’s not how customers use an agent. We needed to test the conversation end-to-end.”
Lior Heber, AI Architect
"We did a full deep-dive in all the solutions in the market. Moved from Langfuse to LangWatch, and are very happy with the collaboration features"
Martijn Schouten - AI Engineer
“LangWatch gives us confidence in every AI-driven interaction, critical when you’re handling payments, risk, and customer trust at scale.”
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LangWatch catches what we'd miss wrong answers, unexpected agent paths, user frustration signals. We stopped firefighting production issues and started actually improving our AI
H. Niehorster - CEO HolidayHero
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“LangWatch helps us maintain quality across millions of interactions, so every user experience feels reliable and consistent.”
Shreyasi - Lead PM AI - Mercari
“LangWatch gives my team the possibility to pre-production simulate scenario's we couldn't have think off otherwise.”
Dhurv Ghulati - founder Clarity - AI PM Adyen
“Every increment we ship now—whether it’s a feature or even a bug fix—we have much more confidence.”
Clara de Smet - Lead AI - Hyperfox
“LangWatch helps us ensure previously our RAG AI systems, now agents deliver consistent, trustworthy insights that our Field support agents can rely on in real-world operations.”
Oskar Rubensson - AI System Dev
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“LangWatch gives us the confidence to scale global payments while maintaining the reliability our merchants expect.”
