Breaking: Trump asks the impossible of Anthropic

Where do we go from here? | Continue reading


@garymarcus.substack.com | 1 day ago

OpenAI’s lead is dwindling fast

As James Carville might have said, “It’s the lack of a moat, stupid” | Continue reading


@garymarcus.substack.com | 1 day ago

What Washington must do

”The only way out is through” | Continue reading


@garymarcus.substack.com | 4 days ago

The White House’s shambolic AI policy

Also , why states are taking things into their own hands, and what might be better | Continue reading


@garymarcus.substack.com | 5 days ago

Breaking news: US Commerce Department effectively shuts down Anthropic’s latest models

After two years of underregulating AI, the US government suddenly takes the nuclear option | Continue reading


@garymarcus.substack.com | 5 days ago

You can’t get more 2026 than that

Hallucination of the day: | Continue reading


@garymarcus.substack.com | 6 days ago

Breaking: OpenAI is pondering “drastic” price cuts.

And that’s a sign of weakness | Continue reading


@garymarcus.substack.com | 7 days ago

Maybe Section 230 doesn’t shield AI companies from liability, after all

An idea inspired by the new German ruling that could turn everything upside down | Continue reading


@garymarcus.substack.com | 7 days ago

Breaking: Google liable for hallucinations

Sorry to bother your mailbox again but this legal decision is potentially huge, especially if it spreads and other countries make similar decisions. | Continue reading


@garymarcus.substack.com | 8 days ago

Breaking news, and how the end might begin

A flashback to my most recent interview with Steve Eisman, and some potentially critical news | Continue reading


@garymarcus.substack.com | 8 days ago

The revenge of Claude Mythos

🙄 | Continue reading


@garymarcus.substack.com | 9 days ago

An entire industry is being propped up by math that is insane.

Welcome to fantasy land | Continue reading


@garymarcus.substack.com | 9 days ago

Slop, productivity, and why the AI-fueled world is going nowhere mighty fast

Just saw a graph at the FT from John Burn-Murdoch that really distills something I have been trying to articulate. | Continue reading


@garymarcus.substack.com | 11 days ago

AI’s Black Friday

Some thoughts on what just happened | Continue reading


@garymarcus.substack.com | 12 days ago

No, Anthropic did not call for a pause on AI development

Not really | Continue reading


@garymarcus.substack.com | 12 days ago

Sir Demis Hassabis vs Sir Demis Hassabis

Two AI Timelines | Continue reading


@garymarcus.substack.com | 13 days ago

No need to panic about Anthropic’s new blog

The twitterverse is all verklempt with Anthropic’s latest blog. | Continue reading


@garymarcus.substack.com | 13 days ago

Breaking: When dreams for AI sanity come true

A true life moment for your correspondent | Continue reading


@garymarcus.substack.com | 15 days ago

Why things will eventually fall apart

The math, and the psychology | Continue reading


@garymarcus.substack.com | 16 days ago

The Pope appears to understand AI better than Geoffrey Hinton does.

What a thing says doesn’t tell you how it came to say it | Continue reading


@garymarcus.substack.com | 18 days ago

What happens next, after the decline of tokenmaxxing?

Two very different sets of predictions | Continue reading


@garymarcus.substack.com | 20 days ago

Breaking: bad news for three of the biggest IPOs in history

Customers are waking up to the recognition that tokens are getting “burned for millions of dollars without any real significant ROI to show for it” | Continue reading


@garymarcus.substack.com | 20 days ago

If enough other companies report the same, the bubble pops. 🫧

Breaking: “Uber COO Andrew Macdonald said he’s not seeing proportional productivity gains from increasing AI costs.” | Continue reading


@garymarcus.substack.com | 23 days ago

This one weird trick might cost your retirement fund billions

You should scream to your congresspeople | Continue reading


@garymarcus.substack.com | 27 days ago

Checking the math behind OpenAI and Anthropic’s latest headlines

Always read the fine print | Continue reading


@garymarcus.substack.com | 28 days ago

Could generative AI could turn out to be the tech industry’s Vietnam? And could public backlash lead AI to a better place?

We live in interesting times | Continue reading


@garymarcus.substack.com | 29 days ago

The AI trial of the century ends with a whimper

and so there are some things we will never know | Continue reading


@garymarcus.substack.com | 1 month ago

The illusion of Generative AI, the insanity of massive bets on hyperscaling, and the case for world models and neurosymbolic AI

Three excellent new interviews | Continue reading


@garymarcus.substack.com | 1 month ago

US AI policy is a clumsy mess. Here’s what to do about it.

1200 bills, state and federal, and no framework | Continue reading


@garymarcus.substack.com | 1 month ago

Misplaced panic over AI progress

Breaking down what METR’s latest “time horizon” graph does and does not show | Continue reading


@garymarcus.substack.com | 1 month ago

Agents and ROI

Remember that MIT study that showed that the ROI for generative AI wasn’t really there for most businesses? | Continue reading


@garymarcus.substack.com | 1 month ago

Breaking news: “they hadn’t figured out how OpenAI would pay for it”

Sign of things to come? | Continue reading


@garymarcus.substack.com | 1 month ago

What matters (or should matter), at the Musk-OpenAI trial

Two perspectives on what’s transpired so far | Continue reading


@garymarcus.substack.com | 1 month ago

Breaking: Autonomous Agents are a Shitshow

Sorry to use a technical term in the title | Continue reading


@garymarcus.substack.com | 1 month ago

The growing AI backlash

Nobody should be surprised | Continue reading


@garymarcus.substack.com | 1 month ago

Have LLMs improved patient outcomes?

A new review suggests otherwise | Continue reading


@garymarcus.substack.com | 1 month ago

Richard Dawkins and The Claude Delusion

The great skeptic gets taken in | Continue reading


@garymarcus.substack.com | 1 month ago

“A model that produces code which compiles and passes the tests it was given is not the same as a model that produces correct, secure, maintainable, well-architected software”

A lot of code is being written by AI, but what does it mean? | Continue reading


@garymarcus.substack.com | 1 month ago

The greatest capital misallocation in history?

People are starting to worry | Continue reading


@garymarcus.substack.com | 1 month ago

Three thoughts on the Musk-OpenAI lawsuit

It’s hard to root for either side, but Musk has a point. | Continue reading


@garymarcus.substack.com | 1 month ago

Dario Amodei, hype, AI safety, and the explosion of vibe-coded AI disasters

What the AI cheerleaders don’t tell you | Continue reading


@garymarcus.substack.com | 1 month ago

ChatGPT doesn’t know its whisk from its elbow

Medical illustrators can rest easy | Continue reading


@garymarcus.substack.com | 1 month ago

ChatGPT's “powerful new image engine”

Regurgitating ≠ understanding | Continue reading


@garymarcus.substack.com | 1 month ago

Please don’t trust your chatbot for medical advice

Four separate studies all point in the same direction | Continue reading


@garymarcus.substack.com | 1 month ago

Peak absurdity, Part II

You can’t make this up | Continue reading


@garymarcus.substack.com | 2 months ago

Claude Mythos, evaluated

How afraid should we be? | Continue reading


@garymarcus.substack.com | 2 months ago

Even more good news for the future of neurosymbolic AI

And vindication for Apple’s unfairly maligned 2025 reasoning paper | Continue reading


@garymarcus.substack.com | 2 months ago

The biggest advance in AI since the LLM

Why Claude Code changes everything | Continue reading


@garymarcus.substack.com | 2 months ago