Thousands of pages of evidence in the Musk vs. OpenAI case are now public, and both sides have some explaining to do. One question that stood out to me: can becoming a billionaire ever be a “secondary consideration”?
OpenAI is pushing "Open Responses," an open interface that works with language models from different providers. The project builds on OpenAI's Responses API and lets developers write code once and run it with any AI model.
Currently, Google, Anthropic, and Meta all handle their APIs differently, which means developers have to rewrite code when switching between models. Open Responses tries to fix that with a shared format for requests, responses, streaming, and tool calls. Vercel, Hugging Face, LM Studio, Ollama, and vLLM have already signed on.
Of course, if successful, this move works in OpenAI's favor. If its API becomes the default, competitors would need to adapt to OpenAI's approach, while existing OpenAI customers wouldn't have to change a thing. The "open" label also lets the company signal a spirit of collaboration, even though it's not sharing any technology beyond what's already public.
OpenAI will start testing ads in ChatGPT, despite CEO Sam Altman’s earlier objections. With a valuation of up to $750 billion to justify and only around five percent of users paying for the service, the company is under enormous pressure to find new revenue streams.
Anthropic has expanded access to its new Claude Cowork feature. When Cowork debuted on Monday, it was limited to Max subscribers, a $200 per month tier that put it out of reach for most users. Pro subscribers can now access the feature for $20 per month, though Anthropic warns they may hit usage limits faster since Cowork consumes more tokens than regular chat. Max subscribers still get higher usage limits.
Cowork brings the agent-based capabilities of Claude Code to the desktop app for everyday tasks that don't require programming knowledge. With computer access enabled, Claude can handle more complex tasks on its own: sorting files, gathering context from multiple documents, and similar workflows. For now, the feature remains exclusive to the macOS desktop app.
Anthropic has already shipped several updates since Monday's launch: users can now rename sessions, connections to external services are more reliable, file previews work better, and the app prompts for confirmation before deleting files.
Terence Tao says OpenAI’s GPT-5.2 Pro has solved an open Erdős problem largely on its own for the first time. He calls it a milestone but warns against reading too much into it. For Tao, the more exciting development lies elsewhere.
A sweeping US–Taiwan trade deal ties lower tariffs to massive onshore investment: Taiwanese chipmakers are pledging at least $250 billion for American fabs, while Washington wields quotas—and the threat of 100 percent tariffs—to pull more of the world’s most advanced semiconductor production onto US soil.
Cloudflare is acquiring British startup Human Native to create a new payment system for AI training data. The company runs a marketplace for AI training data and converts multimedia content into structured, licensable datasets.
The move addresses a growing problem: AI crawlers scrape the web on a massive scale without paying website operators. Instead of letting AI companies grab content for free, publishers could make their data available through an index and get paid for it.
Cloudflare has already been developing tools like "AI Crawl Control" and "Pay Per Crawl" that let website operators control who can use their content for AI training. The company also co-founded the x402 Foundation with Coinbase to enable automatic machine-to-machine payments. Cloudflare runs its own AI platform and recently expanded it by acquiring Replicate.
Andrea Vallone, a senior safety researcher at OpenAI, has moved to Anthropic. She'll be working on the alignment team, which focuses on AI model risks. Vallone spent three years at OpenAI, where she founded the "Model Policy" research team and contributed to major projects including GPT-4, GPT-5, and the company's reasoning models.
Over the past year, Vallone led OpenAI's research on an increasingly urgent question: how should AI models respond when users show signs of emotional dependency or mental health struggles? Some users, including teenagers, have taken their own lives after conversations with chatbots. Several families have filed lawsuits, and the U.S. Senate has held hearings on the issue.
At Anthropic, Vallone will report to Jan Leike. Leike himself was head of safety research at OpenAI before leaving the company in May 2024. At the time, Leike publicly criticized OpenAI, saying safety had taken a backseat to shipping new products.
