Updated March 27, 2026
PostHog AI extends PostHog's open-source product analytics platform with AI-specific observability capabilities. It enables teams to track AI feature adoption, measure LLM performance metrics, analyze user interactions with AI features, and run A/B tests on different model configurations—helping teams understand not just how their AI performs technically but how it impacts user behavior and business metrics.
Connects to Sentry/Datadog/feedback channels, deduplicates alerts, investigates root causes, and autonomously ships PR fixes. Already past $300K ARR.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
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Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.
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