Bank of America spent 'a couple hundred million' in Q3 fixing vulnerabilities exposed by Anthropic's model

nitarshan · x · 2026-10-22

Per a viral tweet, Bank of America incurred 'a couple hundred million' in extra Q3 expenses on two things: AML compliance and Mythos remediation. Anthropic's Mythos model exposed vulnerabilities in the bank's code, prompting it to bring in roughly 1,000 additional contractors to help patch them — a striking case of the real remediation costs of deploying frontier AI in large enterprises.

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