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HEAD-TO-HEAD FRONTIER BENCHMARK DUEL · UPDATED NOVEMBER 4, 2026
GPT-6 Astra vs. DeepSeek V4.1 Flash
Quick Verdict: Route autonomous coding to GPT-6 Astra (83.4% SWE-bench Verified), hard scientific reasoning to GPT-6 Astra (96.0% GPQA Diamond), and high-volume cost-sensitive workloads to DeepSeek V4.1 Flash.
GPT-6 Astra (OpenAI)
94.1 pt
SWE: 83.4% · GPQA: 96.0% · $7.50/1M · 18d Pulse WaveDeepSeek V4.1 Flash (DeepSeek (MIT))
89.7 pt
SWE: 79.5% · GPQA: 91.8% · $0.22/1M · Hold Cluster (R3 Near)