Difference between RankBrain and BERT

[ritesh3592]

What is the difference between RankBrain and BERT algorithm?

[WoodsPainting]

BERT is deeply bidirectional, OpenAI GPT is unidirectional, and ELMo is shallowly bidirectional. BERT can help computers understand language a bit more like humans do. BERT is promised to affect 1 in 10 of all search queries, as the biggest change in search since Google released RankBrain.

[Neo_5678]

RankBrain - Google's first artificial intelligence method for understanding queries.
BERT - it is an additional method for understanding content and queries.

[SKPglobal]

BERT does not replace RankBrain, it is an additional method for understanding content and queries. It's additive to Google's ranking system.
RankBrain can and will still be used for some queries. ... In fact, a single query can use multiple methods, including BERT, for understanding query.

[jayam]

BERT is said to be the most significant update to Google's algorithm since RankBrain, but what's the difference between the two machine-learning programs? ... RankBrain focuses on keywords and past searches, while BERT focuses on understanding how the words in a query relate to one another.