Meta reported in October 2026 that Muse Spark Open beats Alibaba's Qwen 3.8, Z.ai's GLM 5.3 and Moonshot AI's Kimi K3 in agentic, knowledge and multimodal benchmarks but trails some rivals in coding

From the articleMuse Spark Open is Meta's answer to Qwen, GLM, and Kimi in the open-weight race