Sources

OpenAI begins testing ads in ChatGPT to support free access, with clear labeling, answer independence, strong privacy protections, and user control.

An unreleased Anthropic model made progress on one of math’s biggest unsolved problems techcrunch.com

For more than 150 years, the Riemann hypothesis has stood as one of the major unsolved problems in mathematics. Anthropic hasn’t solved it — but the company’s models made more progress than you might expect.

The AI takeover of mathematics has begun theverge.com

Mathematician James Maynard has spent a lot of time this past year “soul searching.” A professor at the University of Oxford and winner of the prestigious Fields Medal, Maynard told The Verge he’s been grappling with the future of his field as the traditionally slow-moving discipline hurries to adapt to AI. Days before we spoke, […]

Google’s Gemini app surges to 1 billion users techcrunch.com

Google also shared numbers of how people are actually using the chatbot, with 63% of Gemini users talking directly to the assistant using the voice feature. Plus, Gemini now generates more than 150 million images every day, according to Google.

ChatGPT and Gemini both just passed 1 billion users theverge.com

For the 14th time, a Google product has hit 1 billion users. Google CEO Sundar Pichai posted on X that a billion people are using Gemini every month, and that Gemini is Google’s fastest-growing product ever. A billion users is a huge milestone, but Google isn’t the first AI app to hit it. OpenAI’s ChatGPT […]

Gemini becomes Google’s fastest-growing product ever as it hits 1B users arstechnica.com

But will Gemini’s surge survive slowing model releases?

Claude will apply invisible watermarks to AI text and images theverge.com

Claude-generated text will carry embedded watermarks and generated files will ship with digitally signed C2PA provenance metadata, part of Anthropic’s push to meet EU AI transparency rules. The watermarking will extend to older Claude models as well, not just current releases.

Anthropic says it will watermark text generated by its AI models techcrunch.com

Anthropic will extend support for watermarking AI generations for older models as well.

Daybreak models are now available on AWS openai.com

Daybreak, OpenAI’s cybersecurity-tuned model family, is now available to enterprise security teams through Amazon Bedrock. The AWS deployment targets SOC workflows like alert triage and threat analysis, marking a deeper distribution deal between the two companies beyond OpenAI’s Azure roots.

Brad Lightcap, OpenAI’s longtime COO, is leaving to ‘start something new’ techcrunch.com

Lightcap, one of OpenAI’s longest-serving executives and most recently its special projects lead, told staff he’s leaving to build “something new.” His exit continues a steady drain of senior operators from the company following earlier departures across research and policy ranks.

Another OpenAI executive takes off theverge.com

Brad Lightcap, OpenAI’s special projects lead and the company’s former COO, announced his departure after an eight-year stint at the AI lab. In an internal memo he later posted to X, Lightcap told colleagues he’d be starting “something new.” “Over the last few months, I’ve been focused on the next horizon and what would stand […]

General Catalyst leads $1.1B round into 2-month-old River AI techcrunch.com

River AI, founded by xAI co-founder Igor Babuschkin, secured $1.1 billion in its first round to build personal AI agents. The General Catalyst-led deal ranks among the largest seed rounds ever, reflecting continued investor appetite for pedigreed AI founders.

‘Zoomsday’ hack uncovered using fewer than 20 AI prompts theverge.com

Researchers at A Security uncovered a Zoom vulnerability that let attackers hijack a participant’s device mid-meeting via the annotation feature, using fewer than 20 prompts on public AI models. Zoom has since patched the flaw, first reported by Wired.

Spotify will label ‘AI Persona’ profiles and exclude their music from recommendations techcrunch.com

Starting mid-September, Spotify will badge artist profiles that don’t represent a real person as “AI Persona” and exclude their tracks from editorial, algorithmic, and personalized recommendations by default. Disclosure is left to the uploading artist.

Spotify says it won’t recommend music from ‘AI Personas’ theverge.com

Spotify will soon label AI artists and remove their music from your recommendations. The change, which will start rolling out in mid-September, means you’ll see an “AI Persona” badge on an artist’s profile across the app if they do “not represent a real person.” The music streaming platform will allow artists to disclose that they’re […]

Apple could help you prove your iPhone photos aren’t deepfakes theverge.com

Code in the iOS 27 beta 5 points to an “Apple Reference Image” feature that embeds provenance metadata at capture, letting users prove a photo came from an iPhone camera. The system, spotted by 9to5Mac, would give Apple a native answer to deepfake authentication.

🔬The BioAI Phase Shift - Matthew McPartlon & Neil Patil, Chai Discovery latent.space

Pharma is suddenly paying for Bio × AI tools, and Chai is leading the pack with four deals closed this summer. Cofounder Matt McPartlon and Product leader Neil Patil explain why.

What building an AI-native finance function taught me openai.com

OpenAI CFO Sarah Friar shares five lessons for building an AI-native finance function, from automated forecasting to stronger controls and AI ROI.

Why your Amazon order confirmation emails have become so unhelpful theverge.com

Earlier this summer, Amazon customers began noticing that emails related to their online orders looked sparse: Order confirmation emails didn’t name specific items anymore, and instead listed only item categories. “Your Beauty item is confirmed!” an email about my retainer cleaning tablets read. Shoppers have posted other iterations of the redacted emails as well: “Ordered: […]

Peer review is overwhelmed—can it survive in the AI era? arstechnica.com

As research and AI-assisted papers surge, volunteer reviewers struggle to keep up.

OpenAI launches ChatGPT desktop app for Linux techcrunch.com

OpenAI is finally bringing a dedicated ChatGPT desktop app to Linux operating systems.

Made by Google 2026: all the Pixel news and announcements theverge.com

Google is gearing up to reveal a bunch of new Pixel devices on August 12th. A series of leaks leading up to the event suggest that the Pixel 11 lineup will come in an array of colors, with signs pointing to a built-in light coming to Pro models. Teasers from Google also indicate that it […]

AI professors are negotiating the new realities of academic research technologyreview.com

This story originally appeared in The Algorithm, our weekly newsletter on AI. To get stories like this in your inbox first, sign up here. Last week, I headed 30 miles south of San Francisco to a hotel in Mountain View, California, to join some of the most accomplished, and some of the most promising, AI…

Saber denies replacing Rideshare Stimulator’s writers with ChatGPT theverge.com

After a former lead writer claimed Saber “replaced me with ChatGPT,” CEO Matthew Karch now claims, “Neither Saber nor Unigine have replaced any writers with AI,” for the Rideshare “Stimulator” game announced last month, developed by Unigine. The writer, Stella Sacco, says differently, however, posting on Bluesky that “I was lead writer on this one! […]

Accel closes oversubscribed $550M India fund within weeks, 19 months after its last techcrunch.com

The U.S. VC firm still has more than 55% of its previous $650 million India fund available for deployment.

Make it readable bensbites.com

an ai future for everyone

Amazon backs power plant that may become top source of US climate pollution arstechnica.com

Amazon announces first off-the-grid data center in race to reap AI profits.

References

Digital Applied (industry analysis) digitalapplied.com

OpenAI officially confirmed on March 26, 2026 that its ChatGPT advertising pilot surpassed $100 million in annualized revenue just six weeks after its February launch… managed access phase with a steep $200,000 minimum commitment… Best Buy, Expedia, Lowe’s, and VistaPrint were notable early adopters.

MediaPost / SE Ranking study vertexaisearch.cloud.google.com

14.35% of ChatGPT ads were topically irrelevant to the user’s prompt, a figure that spiked to over 50% in sensitive niches like relationships and politics… advertisers were cited as a source in only 3.63% of ChatGPT’s answers, compared to 11.53% in Google’s AI mode.

Search Engine Land — Perplexity searchengineland.com

Perplexity abandoned its advertising pilot in February 2026, citing concerns that sponsored placements eroded user trust in factual answers… pivoted to a ‘premium-unbiased’ model, reaching an estimated $500 million ARR by prioritizing high-cost subscriptions.

MLQ.ai — Anthropic ad-free pledge mlq.ai

Anthropic’s 2026 Super Bowl campaign ‘A Time and a Place’ centered on a formal commitment to keep Claude entirely free of advertising… Sam Altman called Anthropic’s ads ‘clearly dishonest’… Claude daily active users surged 11% post-Super Bowl vs. ChatGPT’s 2.7%.

ContentGrip on OpenAI cookie policy contentgrip.com

OpenAI quietly updated its policy to enable marketing and ad-tracking cookies by default for free users, mirroring the ‘surveillance economy’ models of older tech giants.

PCMag — opt-out mechanics pcmag.com

Users wishing to avoid sponsored content without upgrading to $20/month Plus can select ‘Reduced message limits’… independent tests indicate opting out can result in a quota reduction of approximately 50%, with caps as low as 5 messages every 3 hours on flagship models.

TechRadar (Android user backlash) techradar.com

Android fans are rebelling against the imminent demise of Google Assistant… Gemini often spends 30 seconds ‘thinking’ about simple requests that Assistant performed instantly, and sometimes gives definitions of words like ‘father’ instead of calling a contact.

Neil Patel — ChatGPT vs Gemini referral share neilpatel.com

ChatGPT continues to command a disproportionately higher share of LLM referral traffic (roughly 78% vs. Gemini’s 12%), indicating that ChatGPT users may be more likely to use the tool for deep research that leads to external sites.

AI Business Weekly — revenue per user aibusinessweekly.net

Gemini generated approximately 20 times less revenue per user than ChatGPT, a statistic analysts attribute to Google’s ‘deliberate business model difference’… OpenAI reportedly generates roughly $25 billion in annualized revenue compared to Gemini’s $1.2 billion in direct subscription fees.

24/7 Wall St. — Jeff Dean exit overshadows milestone 247wallst.com

Alphabet’s stock to drop as much as 5.4% in a single day, wiping out nearly $190 billion in market value… the announcement was overshadowed by the high-profile departure of Chief Scientist Jeff Dean and rumors that the flagship Gemini 3.5 Pro model had been shelved.

Blankspaces — Similarweb engagement data blankspaces.app

Similarweb data from mid-2026 showed Gemini’s average visit duration reached 6 minutes and 59 seconds, surpassing ChatGPT’s 5 minutes and 58 seconds for the first time.

Medium — Nano Banana viral driver medium.com

Originally appearing anonymously on the LMArena leaderboard, the model outperformed established rivals in image editing before Google officially integrated it into core services… The ‘Nano Banana’ moniker was so widely embraced by the community that Google eventually adopted it as official branding.

Anthropic research note anthropic.com

We are grateful to Brian Conrey and Dan Goldston, two experts in this area, who generously examined the paper on short notice.

Understanding AI (Timothy B. Lee) understandingai.org

Fields Medalist Jacob Tsimerman expressed a growing sense of ‘existential angst,’ suggesting that AI may soon become ‘robustly superhuman’ at the core tasks of professional mathematics.

MathOverflow thread ‘Should we trust AI-generated formal proofs in Lean 4?’ mathoverflow.net

If an AI oracle produces a thousand-line Lean proof that no human can follow, the field does not actually advance because the core ideas remain opaque.

The Next Web on the Leiden Declaration thenextweb.com

Mathematicians have criticized AI companies for ‘bypassing peer review’ by announcing results via press releases rather than traditional scholarly channels, thereby undermining the social structures that ensure mathematical integrity.

Kingy.ai recap of Mathstodon debate kingy.ai

Peter Scholze noted that the accompanying ‘informal note’ intended for humans was ‘essentially unreadable’ and lacked the conceptual clarity required for human mathematicians to gain new insights into why the bound holds.

VibeMathed writeup on prior human work vibemathed.com

Claude’s innovation was to synthesize [Baluyot, Goldston, Suriajaya, Turnage-Butterbaugh’s 2024–25 unconditional pair-correlation work] with a 2000 paper by Enrico Bombieri, utilizing an indefinite Hermitian form to eliminate the narrow-box assumption.

Sources

References

Jack Sun, writing.