A pocket guide to AI Observability

Your AI features don't fail loudly. They fail plausibly and confidently, with nothing that looks like an error.

Learn to trace your LLM calls, understand their cost, and evaluate whether the outputs give users what they need. Each use case includes a prompt you can run in PostHog AI with your own data.

To follow along with your own app, connect your LLM calls with the setup wizard or install it yourself: