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Mark Zuckerberg announces Muse Spark, the first AI model from Meta Superintelligence Labs

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Mark Zuckerberg, chief executive officer of Meta Platforms Inc., during the Meta Connect event in Menlo Park, California, US, on Wednesday, Sept. 17, 2025

Mark Zuckerberg announced Wednesday that Meta Superintelligence Labs has reached its first major milestone: a new family of AI models called Muse, with the debut model, Spark, available now. In a Facebook post, Zuckerberg said that Muse Spark now powers an updated version of Meta AI, which users can access online at meta.ai or in the Meta AI app.

"Muse Spark is the first step on our scaling ladder and the first product of a ground-up overhaul of our AI efforts," a Meta announcement stated.

Spark is designed to be particularly capable in areas tied to everyday personal use — tasks like visual understanding, health, shopping, and social content. Looking ahead, Zuckerberg said Meta is building products that go beyond answering questions, toward AI that acts as agents "that do things for you."

Future AI models in the Muse lineup will also include new open-source releases.

Muse Spark is the first big product from Meta Superintelligence Labs

The announcement marks the public debut of work that has been underway — and at times turbulent — since last summer. When Zuckerberg first laid out his vision for "personal superintelligence" in a July 2025 manifesto, the ambition was an AI that helps people pursue their own goals rather than one controlled from the top down.

To build it, Meta went on one of the most aggressive hiring sprees in recent memory, personally recruiting more than 50 researchers from rivals including OpenAI, Anthropic, and Google, and bringing in former Scale AI chief Alexandr Wang to lead its new superintelligence research group.

Then, just as quickly, Meta froze hiring altogether — citing routine budget planning — and restructured the team into four smaller units focused on research, superintelligence development, products, and infrastructure. Zuckerberg explained the pivot by saying he believes breakthrough AI work is best done by compact teams who can hold the full picture in their heads, rather than sprawling organizations.

The whiplash raised eyebrows amid broader market jitters about whether the AI boom is sustainable. An MIT study circulating at the time found the vast majority of companies deploying AI were seeing no financial return.

In his original manifesto, Zuckerberg drew a sharp philosophical line between Meta and its competitors, arguing that some AI labs want to concentrate superintelligence and pipe its output to humanity like a utility. Meta sees it differently, he said.

In Wednesday's Muse Spark announcement post, he once again framed the lab's founding goal as "putting personal superintelligence in everyone's hands" — with the underlying belief that empowering individuals, not centralizing intelligence, is how humanity moves forward.

Wednesday's Muse announcement will be the first concrete product to emerge from these multi-billion-dollar investments. (Meta allocated $72 billion in AI development in 2025 and is expected to spend up to $135 billion in 2026.)

Muse Spark: Benchmark performance

So far, Meta's Llama family of AI models has lagged far behind its rivals on AI leaderboards. Whether Spark lives up to the superintelligence branding remains to be seen, but after months of hiring drama, restructuring, and big-picture theorizing, Meta has finally put something on the table.

As Zuckerberg put it: "I'm looking forward to sharing more soon."

As part of its Muse Spark announcement, Meta Superintelligence Labs released its scores on popular AI benchmark tests such as Humanity's Last Exam (HLE), ARC AGI 2, and GPQA Diamond. These scores could not be independently verified at this time, but Meta did release information on its testing methodology for Muse Spark.

Overall, Meta reported mixed results when comparing Muse Spark to frontier models such as Claude Opus 4.6 Max, Gemini 3.1 Pro High, GPT 5.4 Xhigh, and Grok 4.2, with Muse Spark outperforming on some benchmarks and underperforming on others.

Meta released a table comparing benchmark performance for Muse Spark.

tablet with muse spark benchmark performance compared to competitors

Meta released this benchmark comparison table.
Credit: Meta

How to try Muse Spark from Meta

Muse Spark is available online now. Desktop users can access the new AI model online at meta.ai. Mobile users can also try Muse Spark in the Meta AI app. Additionally, Meta said that select users will be able to access a private API preview.

To compete with reasoning models from OpenAI, Anthropic, and Google, Meta is also releasing a "Contemplating" mode for Muse Spark, "which orchestrates multiple agents that reason in parallel."

"This allows Muse Spark to compete with the extreme reasoning modes of frontier models such as Gemini Deep Think and GPT Pro. Contemplating mode provides significant capability improvements in challenging tasks, achieving 58% in Humanity’s Last Exam and 38% in FrontierScience Research."

Contemplating mode is not yet available; Meta said it will be released gradually at meta.ai, but did not provide a timeline for its release.

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The PlayStation 6 could ditch the built-in disc drive

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PlayStation logo on white background

The next generation of PlayStation consoles might not appeal to people who enjoy building physical game collections.

A hardware leaker known as KeplerL2 posted in the NeoGAF forums this week (via WCCF Tech), claiming that the still-unconfirmed PlayStation 6 will not have a disc drive built in.

In a reply to another user's inquiry, KeplerL2 also said the base PS6 would come with just 1TB of storage space on its internal SSD. For reference, that's exactly the same as most PS5 models. Typically, specs like that only get better over time, but it seems like Sony might make a lateral move at best for storage capacity this time around.

That's almost certainly because of the AI-driven global RAM shortage, which was recently rumored to potentially cause the PS6 to miss its intended late 2027 launch date. All things being equal, Sony might be inclined to put a 2TB drive in each base PS5, but that might not be feasible right now.

As for the lack of a disc drive, that's going to ruffle feathers for a multitude of reasons.

Yes, the PS5 has had a no-disc-drive variant since its launch in 2020, but Sony also sells a standalone attachable disc drive unit in case users want one. Obviously, Sony could do the same with the PS6, but we don't know that yet. And while a large majority of video game sales happen in digital marketplaces as opposed to physical retail stores, plenty of people still like to own their games, whether it's out of concern for digital storefronts eventually shutting down, or just to build a nice collection of physical media. And, of course, sometimes you get good discounts on used games.

Needless to say, if this is true, it will be controversial.

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Moon phase today: What the Moon will look like on April 2

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An image of a full moon.

With the Full Moon now passed, each night the moon will start to look smaller. It won't be noticeable at first, but after a few nights you'll see the moon start to fade from the right side. This will continue until we reach the New Moon, where it will appear completely dark.

Keep reading to see how much of it is visible tonight.

What is today’s Moon phase?

As of Thursday, April 2, the Moon phase is North America is Waning Gibbous, according to NASA's Daily Moon Guide.

There's plenty to see if you have clear skies tonight. Even without visual aids to assist you, you can see the Kepler Crater, Aristarchus Plateau, and the Mare Tranquillitatis. If you do have assistance, in the form of binoculars, you'll be able to spot more features, including the Posidonius and Endymion Craters. Finally, a telescope will give you many viewing opportunities, with the Apollo 11, Caucasus Mountains, and the Schiller Crater appearing the clearest.

When is the next Full Moon?

The next Full Moon is predicted to take place on May 1, the first of two in May.

What are Moon phases?

According to NASA, the Moon takes about 29.5 days to circle Earth, moving through eight unique phases along the way. Although we always see the same side from Earth, different amounts of its surface are lit by the Sun as it orbits, causing it to appear fully illuminated, partially lit, or as a thin crescent. These changing views are called the lunar phases, and there are eight altogether:

New Moon – The Moon is between Earth and the sun, so the side we see is dark (in other words, it's invisible to the eye).

Waxing Crescent – A small sliver of light appears on the right side (Northern Hemisphere).

First Quarter – Half of the Moon is lit on the right side. It looks like a half-Moon.

Waxing Gibbous – More than half is lit up, but it’s not quite full yet.

Full Moon – The whole face of the Moon is illuminated and fully visible.

Waning Gibbous – The Moon starts losing light on the right side. (Northern Hemisphere)

Third Quarter (or Last Quarter) – Another half-Moon, but now the left side is lit.

Waning Crescent – A thin sliver of light remains on the left side before going dark again.

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Watch NASAs historic Artemis 2 launch attempt live today. Heres how.

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Sun rising on the horizon behind the Space Launch System rocket

NASA is set to send four astronauts on a mission around the moon for the first time in more than 50 years, and viewers can watch the launch countdown live on April 1.

Artemis II is a test flight of the U.S. space agency's Space Launch System rocket and Orion capsule. The mission follows Artemis I, the successful uncrewed inaugural voyage of the spacecraft in 2022.

NASA will stream the launch from Kennedy Space Center in Cape Canaveral, Florida, on its website, social media, and its YouTube channel. Live coverage of filling the rocket's tanks with fuel is expected to begin at 7:45 a.m. ET Wednesday on Youtube. Viewers can watch the event on NASA+, the space agency's free streaming service, starting at 12:50 p.m. ET.

The broadcast will track the four-person crew — Christina Koch, Victor Glover, Reid Wiseman, and Jeremy Hansen — as they board Orion. The actual two-hour launch window opens at 6:24 p.m. ET.

This mission is designed as a roughly 10-day deep space excursion that will loop around Earth before slingshotting around the moon and returning home. If successful, it would mark a major step toward future missions that aim to land astronauts on the lunar surface and establish a moon base there.

The flight also carries historic milestones. Koch is set to become the first woman to travel to the moon, and Glover the first Black astronaut to do so. Hansen, a Canadian astronaut, would be the first non-American assigned to a lunar mission. Their journey's estimated distance of 248,700 miles also could set a new record for farthest humans have ever traveled from Earth.

Watch the launch livestream here beginning at 7:45 a.m. ET on Wednesday, April 1.

NASA's live coverage typically includes real-time updates from the firing room, views from the launchpad, and commentary explaining each stage of the countdown. The agency will also provide rolling updates on its official Artemis blog.

The forecast so far shows an 80 percent chance of good weather conditions for launch day. Mission managers are mostly concerned about cloud coverage and high winds.

If the launch attempt is called off for weather or technical issues, the agency could try again any day through April 6. There is one other launch opportunity at the end of this month on April 30. NASA has declined to provide future launch windows beyond April to the public.

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