OpenAI has released a new guide on working with Codex, a powerful AI coding tool. The guide provides step-by-step instructions for setting up a Codex workspace, creating threads and projects, managing files, and completing tasks. This resource aims to help developers efficiently utilize Codex for AI-driven coding projects, enhancing productivity and workflow management.
Redwood Materials has undergone layoffs and restructuring, leading to the departure of COO Chris Lister, a former Tesla executive, who is retiring. Additionally, at least three other vice presidents have left the company. The changes reflect significant organizational shifts at Redwood amid ongoing restructuring efforts. The company has not disclosed specific financial details related to these changes.
Researchers have deciphered Fast16, a sabotage malware created in 2005 that can silently manipulate software. The malware may have targeted Iran’s nuclear program and predates Stuxnet, suggesting it was likely deployed by the US or an allied nation. This discovery sheds light on early cyber-espionage efforts in the nuclear domain.
Anthropic's shares on Forge Global are now valued at around $1 trillion, surpassing OpenAI's $880 billion valuation as of April 2026. This marks a significant shift in the AI tech sector, with Anthropic outperforming OpenAI in secondary markets for the first time in recent months. The change highlights growing investor confidence in Anthropic's AI developments.
Australia became the first country to ban social media for children in late 2025, citing concerns over cyberbullying, addiction, and exposure to predators. The move aims to protect young users from online risks, marking a significant step in global efforts to regulate social media access for minors. No other countries have announced similar bans as of April 2026.
Succinct, backed by Paradigm, launched an iPhone camera app on April 23, 2026, designed to combat AI-generated fakes using cryptography. The app aims to address concerns over AI fraud, with research predicting that generative AI could cause $40 billion in fraud losses in the U.S. by 2027. The initiative highlights efforts to secure digital authenticity amid rising AI-generated misinformation.
Sierra, an AI customer service startup founded by Bret Taylor, announced its acquisition of French AI startup Fragment, which was backed by Y Combinator. The deal was announced on April 23, 2026. This move aims to strengthen Sierra’s AI capabilities and expand its customer service solutions, reflecting ongoing consolidation in the AI tech sector.