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DeepSeek V4.1 Flash Blog

What Is DeepSeek V4.1 Flash? Architecture, Features & Pricing
Sep 10, 2026
DeepSeek V4.1 Flash

What Is DeepSeek V4.1 Flash? Architecture, Features & Pricing

DeepSeek V4.1 Flash explained: 552B MoE with Causal-Encoder-Decoder, KV cache savings, benchmarks, API pricing, native vision & V4 Flash/V4 Pro comparison.