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HEAD-TO-HEAD FRONTIER BENCHMARK DUEL · UPDATED NOVEMBER 4, 2026
GPT-6.1 Sol vs. Muse Spark Open / Llama 4.2
Quick Verdict: Route autonomous coding to GPT-6.1 Sol (81.2% SWE-bench Verified), hard scientific reasoning to GPT-6.1 Sol (93.2% GPQA Diamond), and high-volume cost-sensitive workloads to Muse Spark Open / Llama 4.2.
GPT-6.1 Sol (OpenAI)
91.9 pt
SWE: 81.2% · GPQA: 93.2% · $3.50/1M · Adopt Fast TierMuse Spark Open / Llama 4.2 (Meta (Open))
86.4 pt
SWE: 74.8% · GPQA: 89.4% · $0.35/1M · Mid-Cycle (57%)