Unverified50% confidenceFactExact time
DeepSeek V4.1 Flash adopts a Causal Encoder-Decoder (CED) architecture, in which a 40-layer transformer has the first 20 layers as a causal encoder and the last 20 layers as a decoder.
1
Sources
50%
Confidence
Long-term
Relevance
9/22/2026
First Seen
Sources
Related Entities
Related Claims
Partially VerifiedV4.1 Flash adopts a new CED (Causal Encoding) architecture, whose core idea is an asymmetry in computation between input and output.75% similarVerifiedDeepSeek V4 Flash is a distilled or streamlined version of Pro that significantly reduces inference overhead while retaining core programming capabilities.71% similarUnverifiedV4.1 Flash took first place on the DeepSWE, CyberDream, and AutomationBench agent benchmarks.70% similarUnverifiedA developer claims to have partially reproduced on the Qwen model the KV cache mechanism used by DeepSeek V4.1 Flash to accelerate the prefill stage.70% similarVerifiedDeepSeek has launched the experimental multimodal model V4-Flash-Vision-EXP on its API platform, with text capabilities on par with V4 Flash and multimodal agent benchmark performance close to Opus 4.8 levels.69% similar
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