PromptLayer is AI observability for developers. Trace requests, workflows, token usage, latency, costs, and failures through a single timeline and waterfall view. Follow complete execution paths across multi-step AI systems, understand where failures occur, identify slow or expensive workflow steps, and debug AI applications with the same visibility developers expect from modern software systems.
Exploring PromptLayer? Compare it with Langfuse, Helicone AI, Sentry, and Datadog. Get open-source LLM tracing, evals, cost dashboards, plus robust app monitoring and error tracking.