1. A quarter of long social posts are machine-written, and Instagram won't sort them for you Two months ago, Pangram shipped a Chrome extension that scans social feeds as users scroll and flags the posts its algorithm reads as AI-generated.

2. Meta Killed Its New Instagram AI-Image Feature Three Days After Launching It Meta announced a feature this week that let Instagram users generate AI images from any public account's content by tagging it. By Friday, the company had switched it off.

3. OpenAI's newest flagship shipped only after the government said yes OpenAI released GPT-5.6 to the public only after the Trump administration signed off, according to The Verge.

In Brief

• GPT-5.6 stays the default in Microsoft Copilot amid breakup talk OpenAI said its new GPT-5.6 family remains the "preferred model" for Microsoft's Copilot 365 suite. The statement lands as reports circulate about strain between the two companies over their commercial and compute arrangement.

• Anthropic will charge Claude subscribers usage fees for Fable 5 Anthropic will require paid subscribers to pay usage-based fees to reach Claude Fable 5, its top consumer model. Flat-rate access no longer covers the best tier, shifting consumers toward metered billing.

• OpenAI rebrands Codex as an agent that runs for hours OpenAI relaunched its Codex coding tool as an agent that executes multi-step workflows independently, running "for hours if needed." The pitch targets tasks a developer hands off rather than supervises line by line.

• OpenAI's head of safety Johannes Heidecke resigns Johannes Heidecke, who led safety at OpenAI, is leaving the company. His exit coincides with OpenAI merging its research and safety teams into a tighter structure.

• OpenAI publishes a GPT-5.6 proof of the Cycle Double Cover Conjecture OpenAI posted a PDF claiming its GPT-5.6 Sol Ultra model produced a proof of the Cycle Double Cover Conjecture, a long-open problem in graph theory. Mathematicians have not yet verified the result.

• The AI return-on-investment debate reopens at trillion-dollar scale Analysts renewed the argument over whether AI spending pays off, now framed around a $3 trillion question. Rising capital outlays raise the stakes for buyers who cannot yet show clear returns.

• Microsoft will ship more security fixes per Patch Tuesday using AI Microsoft said it now uses AI to find flaws earlier, so each Windows 11 security release will bundle more fixes. The company tied the change to attackers, including amateurs, increasingly using AI to find bugs.

• 1X gives its Neo home robot dexterous new hands 1X updated its Neo home-chore robot with more tactile, fast-moving fingers aimed at fine manipulation. The soft-bodied unit targets household tasks that demand precise grip.

• Deutsche Telekom moves customer service and network ops onto OpenAI models Deutsche Telekom is deploying OpenAI models across customer service, employee workflows, network operations, and voice. The telecom operator describes the effort as becoming an "AI-native telco."

• Estonia builds an AI tool to catch legal errors before laws pass Estonia deployed an AI system to flag mistakes in draft legislation after a single wording error cost the government $28 million. The tool is part of a wider push to automate state functions.

• OpenAI hires a product manager to build ChatGPT features for families OpenAI posted a job for a product manager to design ChatGPT experiences for families, caregivers, and older adults. The role signals a push into household and multi-generational use.

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