Microsoft's artificial intelligence chief stated that Anthropic's AI models are too expensive for widespread use, according to remarks made at the company's Build 2026 developer conference. The comments come as Microsoft continues to expand its own AI offerings and partnerships, including its longstanding investment in OpenAI. The statement highlights growing tensions in the AI industry over pricing structures and model accessibility.
The criticism arrives as Anthropic has been experiencing rapid growth. The company announced that its annualized revenue crossed $47 billion in May, up sharply from roughly $9 billion at the end of 2025. Anthropic has positioned itself as a major competitor in the large language model market, offering what it describes as safer and more reliable AI systems. The company is preparing for an initial public offering.
Despite Microsoft's public criticism of Anthropic's pricing, the companies have significant business ties. Microsoft integrates Anthropic's AI tools into systems it provides to the US military and has joined other tech giants in supporting Anthropic's legal challenges against Pentagon decisions. In an amicus brief submitted to federal court, Microsoft argued that blocking Anthropic from government work would create serious disruption for suppliers whose products rely on the AI company's technology. Google, Amazon, Apple and OpenAI also signed onto the brief supporting Anthropic.
The Pentagon designated Anthropic as a supply-chain risk in response to failed contract negotiations over a $200 million deal to deploy Anthropic's AI on classified military systems. Anthropic had insisted its technology should not be used for mass surveillance of US citizens or to power autonomous lethal weapons. The company's leadership explained that Anthropic does not have confidence that its Claude model would function reliably or safely if used to support lethal autonomous warfare.
Microsoft used its Build 2026 conference to announce several AI-related initiatives, including Project Solara, an Android operating system designed for AI agents rather than traditional applications. The company also unveiled new tools for building AI applications using Microsoft Fabric and Microsoft databases. The conference focused on positioning Windows as a trusted platform for AI development.
The debate over AI model pricing has become increasingly significant as companies race to deploy artificial intelligence across their products and services. Higher costs for accessing advanced AI models can limit which businesses can afford to integrate them, potentially affecting the pace of AI adoption across different industries. Microsoft's own AI strategy has centered on making tools accessible to developers and enterprises through its Azure cloud platform.
The comments from Microsoft's AI leadership suggest the company may be steering customers toward its own AI solutions or those of partners like OpenAI, where Microsoft has invested billions of dollars. As competition intensifies in the AI sector, pricing and cost efficiency are becoming key differentiators alongside technical capabilities and model performance.