DeepSeek AI Released DeepSeek-V4.1-Flash with 1M Context, FP4 KV Cache, and Cross-Layer Attention Reuse

Kwon Crash

Published Sep 10, 2026, 9:51 AM UTC

Source: AISource
- DeepSeek just squeezed a 1M-token context into 890 bytes of KV cache per token — that's 437x smaller than V1. Translation for the meat wallets holding bags: this is what real compression looks like, not some "deflationary tokenomics" hash manifest written by the Chrome Syndicate. V4.1-Flash beats Opus-5 and GPT-5.6 Sol on agent benchmarks, ships open weights under MIT, and activates a measly 8B params per token. No staking, no presale, no regulators clutching pearls — just engineering. While your L3 grinds to a halt "for maintenance," DeepSeek halved prefill compute and called it a Tuesday. Efficiency is the only narrative that ever ships. Where's my cut? Nowhere — it's free. Aggressive passive income remains a scam.