Blog Helicone vs LangSmith vs Tracium: Which AI Observability Tool Is Right for You? (2026) March 28, 2026 / March 28, 2026 by A S | Leave a Comment If you’ve ever woken up to a surprise OpenAI bill with no idea which agent caused it, you’ve already felt the need for LLM observability. Three tools come up constantly in this space: Helicone, LangSmith, and Tracium. They solve the same core problem in very different ways, and picking the wrong one costs you hours […] Read more ยป