Unverified50% confidenceFactExact time
Google had already developed the conversational Transformer model Meena in 2020, and it comprehensively outperformed Google Assistant in internal tests, but it was ultimately not released.
1
Sources
50%
Confidence
Long-term
Relevance
10/27/2026
First Seen
Sources
The Early History of the AI Revolution: Google, Musk, and the Race That Changed Everything
youtubeThe Verge10/27/2026
Related Entities
Related Claims
UnverifiedBefore LaMDA, Google developed conversational models including Meena in 202073% similarUnverifiedGoogle于2018年发布LaMDA，是专为开放域对话设计的Transformer架构模型70% similarPartially VerifiedBERT was proposed by Google in 2018 and uses a bidirectional Transformer encoder.66% similarUnverifiedConformer（Convolution-augmented Transformer）架构由Google在2020年提出，结合了Transformer的全局自注意力机制和卷积神经网络的局部特征提取能力66% similarVerifiedBERT was proposed by Google in 2018 and is a pre-trained language model based on the Transformer architecture.66% similar
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