Meta announced Spark on Wednesday, the first AI model in its Muse family, described as a "ground-up overhaul of our AI efforts."
Muse Spark is the inaugural release from Meta's Superintelligence Labs, established less than a year ago with the ambitious goal of "deliver[ing] on the promise of personal superintelligence for everyone." This launch represents a clear departure from Meta's prior work on the open-source Llama model family, which garnered a mixed reception from users and independent LLM rankings. While Spark will be a proprietary model, Meta founder and CEO Mark Zuckerberg stated on Threads that the Muse family will "includ[e] new open source models" in the future.
Meta indicated that Muse Spark will leverage content posted across its platforms, including Instagram, Facebook, and Threads, much like xAI's Grok integrates with X content. Currently, this functionality allows Muse Spark to link to public posts related to a queried location or trending topic. Meta plans to expand this in the future to "new features that cite recommendations and content people share," along with "Reels, photos, and posts woven directly into your answers, with credit back to the content creators."
In a technical blog post accompanying the Spark announcement, Meta detailed AI benchmark results, where Muse Spark's standard thinking mode performed comparably or superior to competing models from OpenAI, Anthropic, Google, and xAI. Meta also highlighted Muse Spark's "contemplation mode," which it claims "enables superior performance with comparable latency." However, the post also acknowledged ongoing investment in areas with current performance gaps, such as "long-horizon agentic systems and coding workflows."