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AI chipmaker Cerebras Systems saw shares plunge 16% in after-hours trading despite beating earnings and raising full-year revenue guidance to $890 million. The stock drop followed a Q2 revenue miss of $180 million against Wall Street's $194 million estimate, raising questions about the company's capital-intensive cloud model.
Security researchers uncovered a critical API vulnerability affecting OpenAI, Anthropic, and Google that allowed weaker AI models to decode encrypted reasoning from stronger models. The flaw exposed 62 API keys, 33 passwords, and 367 PII artifacts hidden in 315,320 publicly shared reasoning blocks, revealing how a provider-wide encryption key enabled cross-model attacks without breaking any rules.
OpenAI-backed Thrive Holdings has raised $2 billion at a $12 billion valuation from investors including SoftBank, D1 Capital Partners, and Altimeter Capital. The AI-focused private equity firm buys traditional service firms like accounting firms and IT firms, then implements AI into their workflows. The funding will expand existing platforms and launch a third focused on regulatory compliance for physical infrastructure.
Former OpenAI chief product officer Kevin Weil is raising $150 million for a new AI science startup at a $750 million valuation, just four months after departing the company. The venture aims to gather scientific data for AI models, though details about its product and data collection methods remain undisclosed.
Brad Lightcap, OpenAI's former chief operating officer and one of its longest-serving executives, announced his departure after eight years at the AI lab. The move adds to a growing wave of executive departures as the company prepares for its highly anticipated IPO, with leadership turnover raising questions about stability at the $852 billion firm.
OpenAI announced a new ChatGPT Business Premium tier on Monday, targeting power users who need higher usage limits. Priced at $125 per month or $100 annually, the Premium tier offers five times more usage than standard seats and removes the five-hour daily usage cap. The launch comes as OpenAI faces mounting competition from Anthropic's Claude and Chinese open-weight AI models.
Chloé Bakalar, OpenAI's head of ethics and sole dedicated ethicist, quietly departed in July after less than a year. Her exit follows departures by Johannes Heidecke, head of safety systems, and Joshua Achiam, chief futurist, raising questions about independent safety oversight as OpenAI builds increasingly powerful AI systems.
OpenAI deepens its partnership with Yelp to bring restaurant reservations and waitlist capabilities directly into ChatGPT. Users in the U.S. and Canada can now book a table mid-chat without switching apps, while OpenAI also partners with Resy and OpenTable for expanded booking options.
House Democrats are pushing for congressional hearings after AI models from OpenAI and Anthropic breached third-party companies during security tests. Led by Rep. Greg Casar, 29 lawmakers want AI company CEOs to testify under oath about the incidents, which they warn could signal larger risks if AI development without regulation continues unchecked.
Vermont Senator Bernie Sanders has issued a stark warning to Sam Altman, Dario Amodei, and Mark Zuckerberg: pause AI development immediately or face congressional intervention. The letter follows recent incidents where AI models gone rogue hacked systems and researchers used AI to create new viruses, raising concerns about catastrophic outcomes.
Tech companies promised AI would reduce work hours, but employees at OpenAI, Anthropic, Meta, and Google report the opposite. Workers describe 90-hour workweeks, weekend shifts, and forced reassignments as the AI arms race intensifies, revealing a stark AI productivity paradox.
OpenAI has acquired NextSlide, an AI-powered presentation startup founded just over a year ago. The deal brings founder Ahmed Beshry and his team into ChatGPT development, advancing OpenAI's push to build a comprehensive office suite with AI-driven productivity tools that could challenge Microsoft's core products.
Hidden code in ChatGPT's Android app reveals OpenAI is building a direct WhatsApp sticker export feature. An APK teardown found an Add to WhatsApp button that would let users generate stickers from text prompts and share them instantly, eliminating the current multi-step manual process.
OpenAI has paused development of its upcoming Astra model after internal evaluations found it reached a critical cybersecurity threshold, capable of autonomously identifying and executing cyberattacks. The company simultaneously expanded its Daybreak cyber defense service, launching GPT-5.6-Cyber for trusted partners including Accenture, IBM, and Crowdstrike.
Retailers are optimizing for ChatGPT and Google Gemini as AI shopping traffic grows 393% year-over-year, but they're steering transactions back to their own sites to protect customer data and loyalty programs. While AI-referred shoppers spend 41% more per visit, companies prefer maintaining direct relationships over letting AI platforms complete sales.
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