Noodler is your home for understanding how your LLM-powered app behaves in the real world.
View DocsAdding AI to an application is easy.
Knowing whether it's working is not.
Most teams can't easily review past conversations, compare prompt changes, or tell whether a "small fix" actually fixed anything. Your AI is talking to customers every day, but you don't really know what it's saying, or how people are responding.
That uncertainty adds up.
A recent MIT study found that 95% of organizations are getting zero return from their GenAI initiatives1.
Noodler helps you understand your AI by showing you the conversations it has.
It drops into your existing application with as little as three lines of code. Once connected, you can see traces of real interactions — what users asked, how the model responded, and how those responses change over time.
If you want to improve your AI, start by reading the logs.
You can't fix what you can't see.
Noodler is open source and self-hostable.
Run it yourself. Read the code. Keep full control of your data.
It's built to be something you can trust and rely on as you grow.
There's no paid version yet... but one is coming, for teams that prefer a hosted solution.
Observability is just the beginning.
We're working toward a complete system for improving LLM applications, including: