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Welcome to Techno's briefing. It's Tuesday, September 12. I'm Zoe Thomas for the Wall Street Journal.

This time, it's different. They have this sort of firsthand knowledge of how an argument

can be wielded against a tech company. And in effect, they sort of know how the weapons were

built that the DOJ is trying to use against them. The legal team that successfully took on Microsoft

over its market dominance in the 1990s is defending Google against antitrust claims.

So what is different this time? And how does this fit with the government's broader efforts to

take on big-text dominance? Our reporter, Miles Crupeau, will join us with answers ahead of the

case that starts later today. But we begin with the race to develop artificial intelligence,

where meta has set its sights on Microsoft-backed OpenAI. We are exclusively reporting,

the parent of Facebook and Instagram, is working on a new AI system, intended to be as powerful

as the most advanced model offered by the chat GPT maker, according to people familiar with the

matter. Meta is aiming to make its new AI model several times more powerful than the one it released

just two months ago, dubbed Lama 2, and it hopes to have it ready later this year.

The social media giant is racing to close the gap with rivals, including Microsoft and Google.

Our tech reporter, Newley Prinnell, says that'll be a challenge.

The indications are they would still be a little bit behind some of these rival services,

so meta hopes it would be about as capable as GPT-4, which was the AI system out from OpenAI in March,

and we understand that it would come out after the new LLM from Google, Gemini. So meta is working

quickly to accelerate their efforts, but they might still be behind some of these other big

...