Gemini 3.5 Pro delay: Google's flagship stuck in preview a month past its target
AnalysisAnyone who reshaped a roadmap around Gemini 3.5 Pro is waiting on a model that keeps slipping. Google showed it at its I/O conference on May 19 and promised general availability in June; entering the second week of July it sits in limited preview on Vertex AI (Google's platform for building with its models), with no firm date, no published benchmarks, and provisional pricing floating near $15 and $60 per million input and output tokens. The 2-million-token context window, the largest in any production model, is the draw. The gap between a polished demo and a shippable frontier model is widening, and teams on Google's timeline keep paying for the wait.