The Gemini 2.X model generation spans the full Pareto frontier of model capability vs cost, allowing users to explore the boundaries of what is possible with complex agentic problem solving[1]. The Gemini 2.X family of models covers the whole Pareto frontier of model capability vs cost, shifting it forward across a large variety of core capabilities, applications, and use-cases[1].
Different models in the series have different strengths and capabilities[1]: Gemini 2.5 Pro is the most intelligent thinking model, while Gemini 2.5 Flash is a hybrid reasoning model with a controllable thinking budget, useful for complex tasks while controlling the tradeoff between quality, cost, and latency[1]. Gemini 2.0 Flash is a fast and cost-efficient non-thinking model for everyday tasks, and Gemini 2.0 Flash-Lite is the fastest and most cost-efficient model, built for at-scale usage[1].
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