Meta unveils Muse Spark AI model as Superintelligence Labs makes its debut

Reviewed byNidhi Govil

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Meta launched Muse Spark, the first AI model from its newly formed Superintelligence Labs led by Alexandr Wang. The release marks a major shift from the company's Llama models and comes after a $14.3 billion investment in Scale AI. The Meta AI app jumped to No. 5 on the U.S. App Store following the launch, signaling strong consumer interest as Meta attempts to close the gap with rivals like OpenAI and Anthropic.

Meta Superintelligence Labs Debuts First AI Model

Meta on Wednesday announced Muse Spark, the inaugural AI model from Meta Superintelligence Labs and what the company describes as "a ground-up overhaul of our AI efforts."

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The release represents a clean break from Meta's previous work on the open source Llama model family, which received a middling reaction from users and on independent rankings. Formed less than a year ago under the leadership of Alexandr Wang, the former co-founder and CEO of Scale AI, Meta Superintelligence Labs was created with the ambitious goal of delivering personal superintelligence for everyone.

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Source: Digit

Source: Digit

Mark Zuckerberg reportedly assembled this costly team after growing unhappy with Meta's progress and how its models lagged behind OpenAI's ChatGPT and Anthropic's Claude. The company recruited researchers from OpenAI, Anthropic, and Google, while investing $14.3 billion in Scale AI for a 49% stake to secure Wang's leadership.

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This massive investment underscores Meta's determination to compete with other AI developers in an increasingly competitive landscape.

Meta AI App Surges on App Store Rankings

The Meta AI app has seen a dramatic jump in installs following the Muse Spark launch. According to data from Appfigures, consumer demand pushed the app from No. 57 right before Wednesday's launch to No. 5 on the U.S. App Store by Thursday.

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The app has been installed 60.5 million times worldwide across both the App Store and Google Play, with 25 million downloads occurring this year alone. Over the past five months, Meta AI app downloads increased by 138% compared to the first five months of the app's availability.

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Source: Inc.

Source: Inc.

Despite this recent growth, the Meta AI app still lags behind AI chatbots from other top model makers, including OpenAI's ChatGPT at No. 1, Anthropic's Claude at No. 2, and Google's Gemini at No. 3. Wang pointed to the new high rank in a post on X, noting that the app is "still growing." India is now the Meta AI app's top market by downloads, followed by the U.S., Brazil, Pakistan, and Mexico.

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Advanced Features and Integration Into Meta Platforms

Muse Spark accepts multimodal input, including voice, text, and images, and has been designed to perform well on tasks like helping people learn about health and reasoning through complex questions in science and math.

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The model can also aid in visual coding, letting users create websites and mini-games from prompts. Meta AI is able to launch multiple subagents to handle users' questions, employing a multi-agent approach to deliver faster and more thorough results.

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The model now powers the Meta AI app and meta.ai website, with integration into Meta platforms including WhatsApp, Instagram, Facebook, Messenger, and AI glasses rolling out in the coming weeks.

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Like Google Gemini, which easily integrates into Google's product suite, Meta touts Muse Spark as "purpose-built for Meta's products."

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Muse Spark will take advantage of content posted across platforms like Instagram, Facebook, and Threads, similar to how xAI's Grok integrates with content on X. Currently, this means the model can link to public posts related to a location or trending topic. In the future, Meta says this will expand to "new features that cite recommendations and content people share" and "Reels, photos, and posts woven directly into your answers, with credit back to the content creators."

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Contemplating Mode and Complex Reasoning Capabilities

Meta introduced a "Contemplating" mode that will be "rolling out gradually" and can "orchestrate multiple agents that reason in parallel."

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By using up to 16 agents thinking in concert simultaneously, Contemplating mode "enables superior performance with comparable latency." This advanced feature reportedly achieved a high water mark of 58.4 on Humanity's Last Exam with the use of external tools.

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Source: SiliconANGLE

Source: SiliconANGLE

The Meta AI mobile app and website were upgraded with a new look and feel, allowing users to switch between modes depending on the task. Users can toggle between a faster "Instant" mode and a "Thinking" mode designed to deliver more thoroughly reasoned results, similar to options like Microsoft's Think Deeper.

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Reinforcement Learning and Performance Benchmarks

While previous Llama models faced criticism for not taking advantage of reinforcement learning, Meta says Muse Spark shows "smooth predictable gains" after additional RL steps following pretraining, "improving model reliability without compromising reasoning diversity."

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The reinforcement learning system makes use of "thinking time penalties," which balance the need to "maximize correctness" with optimizing the number of tokens used.

In testing on the AIME 2025 benchmark, Meta observed a "phase transition" where the model started compressing equally accurate reasoning into "significantly fewer tokens." After that compression, subsequent trained models slowly increased token usage again to achieve even higher accuracy in less overall time.

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In Meta's technical blog post, Muse Spark's standard thinking mode ranks comparable or better than competing models from OpenAI, Anthropic, Google, and xAI, though the company acknowledges "current performance gaps, such as long-horizon agentic systems and coding workflows."

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Reentering the AI Race and Future Plans

The Muse series is set to be Meta's second major foray into powerful AI, following its Llama models. Zuckerberg revamped the company's AI program after the delayed and disappointing release of Llama 4 in 2025.

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While Muse Spark will be a proprietary model, Zuckerberg said in a post on Threads that the Muse family will "include new open source models" in the future.

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"Looking ahead, we plan to release increasingly advanced models that push the frontier of intelligence and capabilities, including new open source models," Zuckerberg wrote. "We are building products that don't just answer your questions but act as agents that do things for you."

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Meta describes Muse Spark as an "early data point" on the trajectory of its new series and says it has larger models in development.

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Muse Spark is available now via the Meta AI app and meta.ai website, as well as a private preview API for "select partners."

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The release comes alongside an update to Meta's Advanced AI Scaling Framework, which now covers a broader range of potential AI risks. The company says the model "falls within safe margins across all frontier risk categories we measured," with more details available in an upcoming Safety & Preparedness Report.

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