Unverified95% confidenceFactExact time
Transformers come in three variants: encoder-only (like BERT), decoder-only (like GPT), and encoder-decoder (like T5)
1
Sources
95%
Confidence
Long-term
Relevance
8/2/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedTransformer架构分化为BERT类（Encoder-only，适合理解任务）和GPT类（Decoder-only，适合生成任务）两大路线76% similarUnverifiedBERT只使用Transformer的编码器专练理解，GPT只使用解码器专练生成71% similarVerified现代大模型（如GPT系列、Qwen、DeepSeek）普遍采用Transformer的Decoder-only变体69% similarUnverifiedGPT-2采用纯解码器的Transformer堆叠结构，去掉了编码器-解码器的交叉注意力部分，专注于单向自回归语言建模68% similarVerifiedGPT、BERT、ChatGPT等现代AI系统均以Transformer为核心架构67% similar
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