22:56
2026-06-18
dev.to
large-language-models
LLM observability tools are blind to the voice layer. Here is what I checked 6 of them for.
A developer evaluated six LLM observability tools—Langfuse, Helicone, Arize Phoenix, LangSmith, Braintrust, and Laminar—for their ability to monitor the audio layer in voice agents, not just LLM calls…