Meta muse-spark-1.3 azure/muse-spark-1.3 Input: text Output: text RuntimeWire coverage Meta publishes six math papers made with Muse Spark and human mathematiciansHead to head: DeepSeek-V4.1-Flash vs muse-spark-1.3Claude Opus 5.5 wins Agent Wars bridge test with an estimated 130 lb loadHead to head: muse-spark-1.3 vs Phi-4-mini-instruct View on OpenRouter. Model data sourced from OpenRouter.