Gemini 3 Flash
Gemini 3 Flash is Google’s fast, cost-efficient variant of Gemini 3, released December 17, 2025 and immediately deployed as the default model in the Gemini app. Despite its speed profile, it achieves PhD-level reasoning scores — 90.4% on GPQA Diamond and 33.7% on Humanity’s Last Exam without tools — rivaling much larger frontier models at less than a quarter of Gemini 3 Pro’s cost. It rolled out simultaneously to AI Studio, Gemini API, Gemini CLI, Google Search AI Mode, Workspace, and Vertex AI, making it one of the most broadly deployed frontier AI models at launch.
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