DeepSeek V4.1 Flash: Specs, Pricing, V4-Pro Status & Local Setup
DeepSeek-V4.1-Flash (10 Sept 2026): 552B MoE with 8B/16B active, 1M context, MIT weights, $0.30/$1.20 per 1M peak. Why V4-Pro was not deprecated after all, what the 90.6 Terminal-Bench score really means, and what running it locally takes.