Tag: PostHog

PostHog is an open-source product analytics platform that provides event tracking, session replay, feature flags, and LLM observability. PostHog can be self-hosted or used as a managed cloud service.

How to Find the Actual Prompt and Completion Behind a PostHog LLM Event

By Aditya Raj Singh on July 10, 2026

PostHog's LLM analytics logs every model call your app makes as an $ai_generation event, and most of what you'd want (the model, the cost, the token counts, the latency) sits right on that event as properties you can query like any other. The two fields I actually needed while debugging a bad call, the prompt […]