Commentary Says AI Network Intrusion Costs Fell 99% in Five Months
In a commentary, Tomasz Tunguz says the estimated cost of an AI-assisted corporate network intrusion fell 99% over five months. He cites a Bank for International Settlements test in which Claude Mythos Preview and GPT-5.5 completed a simulated network takeover priced at $5,000–$10,000. His own token-pricing calculation estimates $770 for Claude Mythos 5, $385 for Claude Opus 5 and $90.20 for Zhipu’s open-weight GLM-5.3. Tunguz also reports that Goldman Sachs executives discussed spending as much or more on AI security as on AI coding tools.
The commentary’s price comparison highlights the claimed widening cost gap between AI-assisted intrusion and the defensive compute security teams need to investigate alerts.
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#Anthropic#OpenAI#Claude Mythos Preview#Claude Mythos 5#Claude Opus 5#GPT-5.5#Zhipu#GLM-5.3#Goldman Sachs#Bank for International Settlements#UK AI Security Institute#Hugging Face