Nilay Patel

Anthropic chief product officer Mike Krieger said, "...it's opening up entirely new categories of what's possible with AI in production environments, with Sonnet handling complex planning, while Haiku-powered sub-agents execute at speed.

We're giving people a complete agent toolbox where each model has the right combination of intelligence, speed, and cost for different parts of the job."

That's exactly what Kat Wu from Anthropic said.

Haiku 4.5 is a workhorse that makes the coding experience in Cloud Code feel really fast.

While Sonnet 4.5 remains the default, Haiku 4.5 now powers the Explore subagent, which can rapidly gather context on your codebase to build apps even faster.

Haiku 4.5 will be available to free users and can be used to squeeze more capacity out of the free service compared to Sonnet 4.5.

Krieger again commented, Even for my own use, even though it's not as smart as Sonnet, I've started defaulting to it on Cloud, especially in the mobile app, because it's just much faster getting an answer.

Putting the model through its paces, Swix was impressed, posting, More than twice the speed is underselling Haiku, to be honest.

I built a way to directly compare Sonnet versus Haiku 4.5, and it's roughly 3.5 times faster, but the UX feels so much better because Haiku stays inside the flow window.

Obviously, end-to-end latency varies a lot, so Anthropic can't report a real number without production usage, but you should try heads-up comparisons.

One other quick note about Anthropic, we got some absolutely monster revenue numbers reported by Reuters from that company.

Their sources suggest that Anthropic is currently running at a $7 billion run rate and is on track to hit $9 billion by the end of the year, and then get to somewhere between $20 to $26 billion next year.

I'm not going to go too deep into that today because I'm planning to do a deep dive analysis on all of the implications of that and reported OpenAI numbers, probably for tomorrow's episode.

But suffice it to say that Anthropic's coding and enterprise business is going very, very well right now.

One company whose AI business is not going so well, to the extent that it can even be said to exist, is, of course, Apple.

Another high-profile Apple AI researcher has left Apple to sign on with Meta's superintelligence team.

Bloomberg's Mark Gurman reports that Qi Yang has left Apple just weeks after being promoted to lead the Answers Knowledge and Information team.

That team was formed recently to develop a perplexity-style AI search product, which was viewed as a central pillar of a major Siri revamp planned for release in March.

Yang was one of the most senior executives among Apple's broader AI and machine learning group.

Gurman wrote that this is one of the most high-profile exits from Apple's AI organization, which has seen about a dozen departures this year.