AT&T cuts Anthropic spending with open-source AI models

AT&T's move to open-source AI models reflects a practical cost-containment strategy that large enterprises are beginning to adopt. Rather than consolidating on a single premium vendor like Anthropic, organizations are discovering that a hybrid approach—combining free or lower-cost open-source alternatives with targeted use of commercial services—can meet their needs while controlling budgets. This trend may signal that enterprise AI adoption is maturing past the early stage of vendor lock-in, where cost was secondary to access and proven capability. For vendors like Anthropic, such moves underscore the pressure to demonstrate distinct value propositions beyond raw capability, as customers develop the expertise and infrastructure to evaluate open-source alternatives more rigorously.