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Anthropic's 26% R&D, OpenAI's Breach, and Harness Tax — September 18, 2026
Claude now leads twenty-six percent of Anthropic's own research and development, running thirty thousand agents at once. That same model helped security researchers break into a rival's private source code. More access, more risk. We go through how Anthropic screens a billion actions a month, how a forum bug reached a real pull request in OpenAI's code, and why a coding agent's wrapper can cost five times more for the same result.
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The skinny
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