OpenAI brings ChatGPT desktop app to Linux

Brad Lightcap, OpenAI's special projects lead and former COO, is departing after eight years at the company. In an internal memo posted to X, Lightcap said he would be starting something new and believes there are important things the world will need to get right in the next period. He indicated he would remain available for the next few weeks during the transition.

Mark Zuckerberg republished a 6,500-word essay on Meta.com that largely duplicated a 1,000-word Wall Street Journal opinion piece published two weeks earlier, both arguing that AI's future should be accessible to everyone. The piece is part of a broader trend of lengthy essays from AI leaders including Dario Amodei at Anthropic, Sam Altman at OpenAI, and Satya Nadella at Microsoft, who use their platforms to discuss AI and society. The author notes these essays are often long and dry, raising questions about whether they are designed to demonstrate AI's summarization capabilities to consumers.

Caitlin Kalinowski, former head of robotics at OpenAI, has joined Anthropic as a member of technical staff focused on research. The hire signals Anthropic's continued investment in robotics capabilities, following the company's release of robotics research last month. Kalinowski's move represents a notable talent shift between two of the leading AI research organizations.

OpenAI has released GPT-5.6-Cyber, a cybersecurity-focused model available through Daybreak Red for authorized vulnerability research, exploit validation, and security testing. The model is designed to support authorized security professionals in identifying and validating vulnerabilities. The release reflects growing demand for AI tools tailored to defensive security work.