OpenAI pauses AI model over hacking risk as API prices drop 80% and Nifty slips

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OpenAI halted development of its unreleased 'Astra' model after internal tests found it could autonomously generate zero-day exploits, marking the first time a model has triggered the 'Critical' threshold under the company's Preparedness Framework. The lab responded with strict containment measures including sandboxed execution, encrypted weights, and real-time monitoring capable of interrupting high-risk activity. Separately, OpenAI slashed GPT-5.6 Luna API prices by 80% to $0.20 per million input tokens, a move analysts say was driven by competitive pressure from low-cost Chinese rivals like DeepSeek V4. On Indian markets, the Nifty 50 fell 0.83% and the Sensex dropped 0.62% during the week of August 10–14, pressured by rising crude oil prices and Middle East tensions, though both foreign and domestic institutional investors remained net buyers in the cash segment.

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