I've been using elsai ARMS during development to monitor LLM applications, particularly for healthcare AI solutions, and it has significantly simplified observability for AI workloads. The SDK is straightforward to integrate, requiring minimal code changes while automatically capturing key metrics such as token usage, latency, model calls, costs, and execution traces. From a developer perspective, what stands out is that ARMS focuses on practical operational metrics instead of just logging requests. Having centralized visibility into model performance, execution history, and resource consumption makes debugging and optimization much easier during development and production. For healthcare applications, where AI powers clinical documentation, medical summarization, patient support, and healthcare workflow automation, ARMS provides the visibility needed to monitor performance, optimize resource utilization, and maintain reliable AI operations. Overall, ARMS provides a solid observability layer for LLM applications and continues to evolve with useful features and integrations.