DeepSeek releases V4.1-Flash with novel YOCO decoder-decoder architecture

DeepSeek-V4.1-Flash packs 552B backbone parameters, native image and text input, and up to a 1M-token context window. The YOCO architecture cuts GPU memory and prefill latency; Bloomberg reports pricing as low as a fraction of a cent per million tokens.
How this story unfolded
4 days · 8 reports · 35 community posts · 43 of 46 shown
- Sep 9
- Sep 10
DeepSeek formally launches V4.1 Flash, routes V4 Pro requests to Flashtechnode.com
DeepSeek V4.1 Flash now available on AI Gatewayvercel.com
DeepSeek AI Released DeepSeek-V4.1-Flash with 1M Context, FP4 KV Cache, and Cross-Layer Attention Reusemarktechpost.com
DeepSeek’s New Low-Cost Model Deals a Fresh Blow to OpenAI, Z.aibloomberg.com
deepseek-ai/DeepSeek-V4.1-Flash · Hugging Facehuggingface.co
DeepSeek's New Model Nearly Matches GPT-6 Astra on Design—at 1.4% of the Costdecrypt.co
- Sep 11
- Sep 12
- Sep 13
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