According to a Financial Times report, Amazon experienced significant cost overruns in its AI integration efforts, including one instance where it spent $1.8 million on an AI task using Anthropic's Claude Sonnet AI to align author details with product listings. This task failed and resulted in an 860% cost overrun, going unnoticed for five months. The report also cited two other cases of AI-related overspending: $541,000 on financial auditing tools and $134,000 on enhancing delivery speeds. An Amazon spokesperson acknowledged the company is experimenting and learning with new AI technology, while emphasizing successful deployments and tools to monitor spending.