Muse Spark 1.2 is a coding-focused update to Muse Spark 1.1, with new evaluation results and demonstrations released ahead of its open-weights launch. The model handles visual coding, chart understanding, robotics via a two-level planning system, and audio-visual understanding with agentic tools. Meta also previewed WildArtifactBench, an internal evaluation using win rates and Elo scores from agentic and human judges, releasing 10 tasks. Muse Spark 1.2 is available in Meta Model API and Muse Code.
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