Does Mark Zuckerberg really believe AI is ‘for everyone’?

Meta released Glimmer this week, an open-weight AI model anyone can download and run on their own hardware — a contrast to Muse Spark, the company’s more powerful model that stays locked behind its own APIs. The release landed …

Lightspeed is selling its OpenAI stake to a fund it will also run
Lightspeed is selling its OpenAI stake to a fund it will also run

The firm calls the deal Project Mercury, Bloomberg reported, citing people familiar with it. It gathers assets from two Lightspeed funds, Select V and Opportunity II, plus a separately managed account. OpenAI is the anchor. Coller Capital is the lead b…

OpenAI introduces ‘Ultrafast,’ a new mode that makes GPT 5.6 Sol work at 14x the speed

OpenAI is launching a preview of a sped up version of its latest, most powerful model, in an effort to court enterprise users.

Anthropic set AI agents loose on the same task. They started a turf war.

Anthropic researchers found AI agents can clash, collude, and coordinate in unexpected ways, raising new questions about whether today’s safety tests capture the risks of multi-agent systems.

Anthropic’s $2trn IPO is priced below what AI stocks already fetch
Anthropic’s $2trn IPO is priced below what AI stocks already fetch

The number comes from investors, not the company. Six backers told the Financial Times that rising revenue would let the five-year-old lab more than double its valuation in an autumn listing. At $2 trillion it would eclipse SpaceX, which went public at…

An AI-written article needs no label. Your proofread email gets one
An AI-written article needs no label. Your proofread email gets one

Start with what the mark actually is, because it is not a stamp on the page. When a model writes, it picks each word from a set of reasonable options. A watermark quietly splits those options into two groups using a secret key, then nudges the model to…

Anthropic is reportedly in talks to buy Decart for $6bn, its biggest deal yet
Anthropic is reportedly in talks to buy Decart for $6bn, its biggest deal yet

Anthropic is reportedly in talks to acquire Decart, an Israeli AI startup, for roughly $6bn, according to reports attributed to Reuters. If it happens, it would be the largest deal in Anthropic’s history. The talks are not final, both companies decline…

Some Claude users are mad that Anthropic’s new watermarks will catch them cheating at their jobs, classes

Is Anthropic’s new watermarking system a travesty? Some have taken to social media to complain that it is.

Anthropic starts marking all of Claude’s output worldwide as EU transparency rules take effect
Anthropic starts marking all of Claude’s output worldwide as EU transparency rules take effect

Anthropic has begun attaching machine-readable marks to the text and images that its Claude models generate, and will apply them to users worldwide rather than only in Europe, after signing a European Union code of practice tied to new transparency rul…

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

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.