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HEAD-TO-HEAD FRONTIER BENCHMARK DUEL · UPDATED NOVEMBER 4, 2026
DeepSeek V4.1 Flash vs. Muse Spark Open / Llama 4.2
Quick Verdict: Route autonomous coding to DeepSeek V4.1 Flash (79.5% SWE-bench Verified), hard scientific reasoning to DeepSeek V4.1 Flash (91.8% GPQA Diamond), and high-volume cost-sensitive workloads to DeepSeek V4.1 Flash.
DeepSeek V4.1 Flash (DeepSeek (MIT))
89.7 pt
SWE: 79.5% · GPQA: 91.8% · $0.22/1M · Hold Cluster (R3 Near)Muse Spark Open / Llama 4.2 (Meta (Open))
86.4 pt
SWE: 74.8% · GPQA: 89.4% · $0.35/1M · Mid-Cycle (57%)