DeepSeek Gained Ten Index Points Without Changing the Model — and Undercut Luna a Day After Its 80% Cut
DeepSeek V4 Flash 0731 scores 50 on the Artificial Analysis Intelligence Index, up from 40 in April, with identical architecture, the same 13B active parameters and the same price list — the gain came entirely from post-training. It now sits one point behind GPT-5.6 Luna at roughly 60% lower cost per task, with a 98% cache discount. The nuance most coverage will skip: accuracy was unchanged, and the jump came mainly from a reduced hallucination rate.
Artificial Analysis
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