Pretrained

SpaceX bought Cursor for $60 billion on August 14, two days after Grok 4.6 shipped and a day before Grok Bot launched. We break down why the real prize isn't the product - it's years of accept/reject data from millions of engineers, the closest thing anyone has to an RL environment for white-collar work. Plus Colossus 2 renting GPUs to Google and Anthropic at a one-year payback.

Then: Anthropic quietly baking watermarking into Claude's sampler worldwide, John Gruber wrote a teardown, and writers revolted. But Richard thinks it was never about the EU at all.

What is Pretrained?

Everyone's talking about AI but most of it is hype, jargon, or someone trying to sell you something. Pierce Freeman and Richard Diehl Martinez are two Stanford friends who actually work in this space with nothing to sell you but good vibes. We'll make you smarter - and you might actually enjoy it.