Gemini 3.5 Pro delays due to coding performance, upgraded Flash model in testing
In mid-May, Google announced https://9to5google.com/2026/05/19/gemini-app-google-io-2026/" id="714973" type="post">Gemini 3.5 Flash at I/O 2026 and said the Pro version would arrive in June.
On stage, Google said it was “showing great improvements.” That deadline has passed with no update on when to expect it.