Anthropic revenue tied to two customers as AI pricing war threatens margins

Anthropic’s meteoric rise to a $5 billion revenue run rate conceals a precarious dependence on just two major customers that account for nearly a quarter of the artificial intelligence company’s income, according to internal data and industry analysis that reveals both the promise and peril of the AI coding boom.

The San Francisco-based maker of Claude AI assistant has built its business largely on the back of developer tools, with coding applications Cursor and GitHub Copilot driving approximately $1.2 billion of the company’s $4 billion revenue milestone reached earlier this year, according to sources familiar with the matter. The concentration underscores how quickly Anthropic has captured the lucrative market for AI-powered software development, but also exposes the company to significant risk should either relationship falter.

OpenAI and Anthropic both are showing pretty spectacular growth in 2025, with OpenAI doubling ARR in the last 6 months from ...