Langfuse vs. Galileo vs. Logfire: Observability for LLM Applications (Tracing, Evaluation, and Debugging)
January 29, 2026 at 04:50 PM | Est. read time: 11 min By Laura Chicovis IR by training, curious by nature. World and technology enthusiast. LLM-powered products fail in new and surprising ways: a prompt change quietly degrades accuracy, a retrieval step returns irrelevant sources, latency spikes only for certain user segments, or “helpful” answers […]








