Steve Eisman says OpenAI and Anthropic generate 70% of AI revenue for major hyperscalers, calling this concentration Big Tech's Achilles' heel.

Steve Eisman is warning that the artificial intelligence boom has become increasingly dependent on the fortunes of just two companies: OpenAI and Anthropic.

Eisman said OpenAI and Anthropic account for roughly 70% of AI-related revenue at Microsoft, Amazon, Google, and Oracle