DeepSeek V4.1 Flash Architecture Breaks Down Asymmetric Design
DeepSeek's new technical report introduces DeepSeek-V4.1-Flash with an asymmetric causal encoder-decoder and CSA2 attention, cutting compute and memory costs while supporting a million-token context window.
2026-09-11 ~ 2026-09-11 · 2 related posts
- Episode 1: DeepSeek V4.1 Flash Opens Limited Internal Beta with New Architecture and Native Multimodality(2026-09-08, 18 posts)
- Episode 2: DeepSeek V4.1 Flash Tested: Blazing 350 Tokens/s but Still Experimental(2026-09-08, 2 posts)
- Episode 3: DeepSeek cuts V4-Flash API prices with new peak/off-peak billing from Sept 10(2026-09-08, 6 posts)
- Episode 4: DeepSeek V4.1 Flash tested across tasks: near-frontier performance at a fraction of the cost(2026-09-09, 15 posts)
- Episode 5: DeepSeek releases V4.1-Flash: 552B MoE beats flagships at low cost(2026-09-09, 56 posts)
- Episode 6: DeepSeek V4.1 Flash Leak: 552B Asymmetric MoE Reportedly Rivals GPT-5.6(2026-09-10, 20 posts)
- Episode 7: DeepSeek V4.1 Flash Benchmark Results Leak, Sparking Community Discussion(2026-09-10, 2 posts)
- Episode 8: Bug Hunt Bench Tests 105 Real Bugs; DeepSeek V4.1 Flash Stands Out on Cost(2026-09-10, 8 posts)
- Episode 9: Inside DeepSeek V4.1 Flash: YOCO at its core and KV cache reuse(2026-09-10, 7 posts)
- Episode 10: DeepSeek V4.1 Flash Architecture Breaks Down Asymmetric Design(2026-09-11, 2 posts)
- Episode 11: DeepSeek's New Model Report Highlights 4x Smaller KV Cache(2026-09-11, 3 posts)
- Episode 12: DeepSeek V4.1 Flash tops Vals open-source index at $0.30 per run(2026-09-11, 2 posts)
- Episode 13: DeepSeek V4.1 Flash scores 40 in AA index despite rising hallucinations(2026-09-11, 2 posts)
- Episode 14: Inside KV-Cache Sharing: How DeepSeek CED and GLM 5.2 Differ(2026-09-11, 4 posts)
- Episode 15: DeepSeek V4.1 Flash Deep Dive: KV Cache Compression Builds an Efficient Frontier Model(2026-09-11, 7 posts)
- DeepSeek-V4.1-Flash architecture dissected: asymmetric causal encoder-decoder, CSA2 attention, Engram memory — teortaxesTex · 2026-09-11
- DeepSeek V4.1 Flash Architecture: 552B MoE with Asymmetric 8B Read / 16B Decode Compute — demian_ai · 2026-09-11