Model
Meena
A conversational Transformer model developed by Google in 2020. In internal testing it surpassed Google Assistant and is regarded as a precursor to ChatGPT.
Timeline (last 90 days)
Oct 27
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.
Unverified50%
Aug 4
Before LaMDA, Google developed conversational models including Meena in 2020
Unverified90%