Meta on September 2, 2026 released Muse Spark 1.3, the latest model from Meta Superintelligence Labs, making it available the same day in Muse Code and in Meta Model API. Meta said the update delivers improved performance across agentic and coding tasks and is easier to use in real-world settings, drawing on what the company described as months of broad adoption of Muse Code and Meta Model API. According to the Meta AI Research announcement, the previously available reasoning modes are…
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