Gemini 4 pre training is underway: https://x.com/OfficialLoganK/status/2079594867161022817

My guess is we skip 3.5 and go straight to 4 Pro. With the monthly Flash releases, releasing 4.0 Flash and Pro in 6-8 weeks would be a nice buildup.

(I work at Google but don't know anything that isn't already public)

Latest rumor is that 3.5 pro was struggling to be meaningfully better than flash, since iterations on flash were moving much faster than iterations on pro, likely due to model size (flash is estimated to be in the 200-400B range).

How can you say that when a Flash model is benchmarking close to Opus and Sol?

Given up frontier models for selling compute.

They don't want to release a frontier model that requires data sharing with the government and right now it looks like they'd have to.