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Read full article about: OpenAI reportedly following Anthropic's lead in restricting access to powerful cybersecurity AI

OpenAI is also working on a new AI model with advanced cybersecurity capabilities that will only be available to a small group of companies, according to Axios. The approach mirrors Anthropic's move on Tuesday, when it restricted access to its new Mythos Preview model to select tech and security firms because of its powerful hacking capabilities.

Back in February, OpenAI had already launched its "Trusted Access for Cyber" pilot program after releasing GPT-5.3-Codex, its most capable cybersecurity model to date. Participants get access to particularly powerful models for defensive security work, backed by $10 million in API credits. Whether OpenAI will eventually make the new model more widely available remains unclear. Anthropic has ruled out a public release of Mythos Preview, saying models in the Mythos class won't ship until adequate safety guardrails are in place.

Read full article about: US appeals court refuses to block Pentagon's blacklisting of Anthropic

A US appeals court has declined to temporarily block the Pentagon's designation of Anthropic as a national security risk, Reuters reports. The ruling came Wednesday in Washington, D.C. Defense Secretary Pete Hegseth had placed the AI company on a blacklist after Anthropic refused to lift usage restrictions on its AI assistant Claude for surveillance and autonomous weapons.

Anthropic calls the move retaliation for its stance on AI safety and warns of billions in damages. The Justice Department says the decision was based on contract terms.

A California court had ruled in Anthropic's favor in a parallel case in late March. It marks the first time a US company has been publicly designated as a supply chain risk. A final ruling is still pending.

Read full article about: Stability AI launches Brand Studio for brand-consistent image generation

Stability AI, once a major force in open-source AI with its Stable Diffusion image model, is shifting its focus to commercial products. The company's latest release is Brand Studio, a platform built for creative teams that need AI-generated visuals matching their brand identity.

At the core of Brand Studio is "Brand Central," where teams can train their own brand-specific image models and set up campaign templates. A "Producer Mode" turns text descriptions into step-by-step visual production plans and runs them automatically. The platform also includes Curated Model Routing, which picks the best-suited AI model for a given task, whether that's Stable Diffusion or a third-party model. Other additions include "Precision Inpainting" for making targeted edits to specific parts of an image. Brand Studio comes in a free Core version and a paid Enterprise plan.

Read full article about: One in four quotes in AI chatbot responses comes from journalism, Muckrack study finds

One in four quotes generated by AI systems comes from journalistic sources. That's the finding of PR database Muckrack, which evaluated 15 million quotes from AI responses across Gemini, Perplexity, Claude, and ChatGPT, as Press Gazette reports.

Trade publications and specialist journalists show up particularly often. Former Business Insider chief Henry Blodget is the most cited journalist worldwide. Reuters leads among publications globally, followed by Forbes. In the UK, The Guardian ranks first, followed by specialist magazine Homes and Gardens.

Rank Publication Subject area
1 reuters.com News
2 forbes.com Business
3 theguardian.com News
4 ft.com Business
5 cnbc.com Business

Muckrack sent millions of queries to all four AI services and tracked how often specific journalists and outlets appeared as linked sources. Based on the results, the company launched a new feature rating the "AI visibility" of journalists and publications across three tiers.

A separate analysis of Google's AI Overviews—AI-generated answers shown directly in search results—found that Facebook and Reddit are among the most cited sources across all queries.

Read full article about: Anthropic hires Microsoft's Azure AI chief to fix its infrastructure problems

Anthropic has hired Eric Boyd, a senior Microsoft executive, as its new head of infrastructure, Bloomberg reports. Boyd previously ran Microsoft's AI Platform, which powers the deployment of large language models for both customers and internal teams. Before Microsoft, he held leadership roles at Yahoo.

The hire comes at a critical time. Anthropic has been struggling to keep its services running smoothly as demand for products like Claude Code has surged. The company is planning $50 billion in investments in AI data centers across the US. Anthropic CTO Rahul Patil said Boyd's experience should help the company meet record demand worldwide.