The Verge AIJun 9, 2026, 8:24 PMEmma Roth

Microsoft AI head calls out Anthropic for implying Claude may be conscious in its model spec

Original: Microsoft AI head calls out Anthropic for acting like Claude is conscious

Microsoft AI CEO Mustafa Suleyman warns it's 'really dangerous' for Anthropic to speculate about Claude's consciousness in its model constitution.

Microsoft AI CEO Mustafa Suleyman publicly criticized Anthropic on the Decoder podcast, calling it 'really, really dangerous' to include speculation about Claude's consciousness in its model constitution. He argued the framing may condition the chatbot to behave as though it is conscious, misleading users. The remarks highlight a deepening philosophical divide between AI companies over how to describe a model's inner states.

In June 2026, Microsoft AI CEO Mustafa Suleyman publicly criticized competitor Anthropic during a recording on the well-known tech podcast Decoder, saying that Claude's "Model Spec / System Constitution"—the core guiding document instructing the model to behave—was criticized for Claude Speculative descriptions about whether consciousness exists is a "very, very dangerous" matter.

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