Google's Gemini series represents the company's core large language model architecture, with Gemini 3 currently serving as the production standard. This prediction market examines whether Google will release Gemini 4.0 before June 30, 2026—a span of approximately six months from the market creation date. Resolution requires official announcement or availability from Google through its standard product channels. The current 9% odds reflect market skepticism about a near-term major version release, which aligns with historical patterns in AI model development where significant new versions typically require 12-18 months of iteration. Google's typical release cadence suggests the company may prioritize capability improvements and optimization of Gemini 3 rather than accelerating a new major version. The relatively low probability pricing implies traders expect Google to maintain its current model in production while developing future versions. Markets like this track the broader timeline of AI model releases and help forecast shifts in competitive AI development dynamics.