GPT-6.1 Sol vs. DeepSeek V4.1 Flash

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 DeepSeek V4.1 Flash.

GPT-6.1 Sol (OpenAI)

91.9 pt

SWE: 81.2% · GPQA: 93.2% · $3.50/1M · Adopt Fast Tier

DeepSeek V4.1 Flash (DeepSeek (MIT))

89.7 pt

SWE: 79.5% · GPQA: 91.8% · $0.22/1M · Hold Cluster (R3 Near)

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