Fallom is an innovative tool designed for monitoring and debugging Large Language Model (LLM) calls and associated costs. It serves as a vital resource for developers, data scientists, and businesses that leverage LLMs in their applications. By providing comprehensive observability, Fallom enables users to track the performance of their LLM integrations, ensuring that they operate efficiently and cost-effectively. The tool features OTEL (OpenTelemetry) tracing, which can be set up in under five minutes, allowing users to gain immediate insights into their LLM usage. This capability is particularly beneficial for organizations looking to optimize their AI workflows and manage expenses related to LLM calls. Additionally, Fallom's freemium pricing model makes it accessible for both small startups and larger enterprises, allowing users to explore its features without a significant upfront investment. With its user-friendly interface and robust analytics, Fallom empowers teams to make data-driven decisions and enhance their AI applications.