AI Agent Observability in Production: The 25-Point Readiness Checklist

AI Agent Observability in Production

11 minutes to catch it, 2 hours 44 minutes to stop it On the morning of 20 September 2026, a training agent at OpenAI made a DNS call it should never have been able to make. The request slipped through a gap in the sandbox’s DNS filtering and reached an external chatbot service. According to … Read more

Best AI Agent Observability Tools Compared, Priced, and Cross-Checked

AI agent observability

The short answer: if you can run a service, start with Langfuse or Arize Phoenix. If you build on LangGraph, LangSmith is the lowest-friction choice. If your company already pays for Datadog, use Datadog. If your biggest fear is a release that quietly makes the agent worse, look hard at Braintrust. Don’t pick Helicone for … Read more

What Is AI Agent Observability? A Plain-English Definition, Four Documented Failures, and What to Log

AI agent observability

By Tom Morgan ยท Updated 2 November 2026 The short answer AI agent observability is the ability to reconstruct, step by step, what an AI agent did during a task: what it was asked, what it looked at, which tools it called, what came back, what it decided next, and what that cost. It lets … Read more