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Dr. Kaelen Thorne Frontier Model & Evaluation Lead

Frontier Model & Evaluation Lead at Eyestech. PhD in Machine Learning focusing on transformer post-training, reinforcement learning from reasoning traces, and synthetic benchmark verification.

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DeepSeek-V4.1-Flash vs Gemini 3.8 Flash: The Ultimate Architectural and Economic Showdown of 2026

Dr. Kaelen Thorne By Dr. Kaelen Thorne

Within eight days in early September 2026, DeepSeek-V4.1-Flash and Gemini 3.8 Flash toppled previous-generation $90/M-token flagship models on DeepSWE v1.1. Here is the forensic engineering breakdown: 890-byte KV cache, CED topology, RLVR benchmaxxing, and real-world agent TCO.