Superintelligence · Fortune Technology
Meta has unveiled Muse Spark, the first AI model produced by its Meta Superintelligence Labs
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Still, if the benchmark results hold up when tested by independent experts, Muse Spark seems to put Meta back in the AI race after its last AI model, Llama 4, which was released in April 2025, was widely panned as a dud.
Key facts
- In June 2025, Meta spent $14.3 billion to acquire a 49% nonvoting stake in Scale AI and brought in its cofounder and CEO, Alexandr Wang, as Meta’s first-ever chief AI officer
- For instance, on the GPQA Diamond benchmark, which is supposed to test PhD-level reasoning skill, Muse Spark scored 89.5%, which slightly trailed both Gemini 3.1 Pro’s 94.3% as well as the 92.7%
- Still, if the benchmark results hold up when tested by independent experts, Muse Spark seems to put Meta back in the AI race after its last AI model, Llama 4, which was released in April 2025
- In March 2026, Meta created a new applied AI engineering organization led by Maher Saba, a vice president who previously worked in Meta’s Reality Labs virtual and augmented reality unit
Summary
Meta has unveiled Muse Spark, the first AI model produced by its Meta Superintelligence Labs, the new AI research unit it created last year and has spent billions of dollars to staff and equip. The model currently powers the Meta AI assistant in the company’s stand-alone Meta AI app and on meta.ai. That makes Muse Spark even more proprietary than the paid proprietary models offered by Meta’s rivals. (Meta said that it hopes to open-source future versions of the model.) Muse Spark is Meta’s first reasoning model, meaning it can work through a process in a step-by-step fashion, using different strategies if its initial approach doesn’t work.
The benchmark results published alongside the launch paint a picture of a model that is competitive but not dominant. Meta acknowledged the performance gaps. In June 2025, Meta spent $14.3 billion to acquire a 49% nonvoting stake in Scale AI and brought in its cofounder and CEO, Alexandr Wang, as Meta’s first-ever chief AI officer. There has since been further reorganization, even as Muse Spark was in development. In March 2026, Meta created a new applied AI engineering organization led by Maher Saba, a vice president who previously worked in Meta’s Reality Labs virtual and augmented reality unit.