Gemini 2.5 Flash-Lite is the fastest and most cost-efficient model in the 2.5 family, optimized for high-throughput and latency-sensitive tasks. With lower latency than both 2.0 Flash-Lite and 2.0 Flash, it excels at classification, translation, and simple QA at massive scale. Despite its speed focus, it retains thinking, function calling, and search grounding capabilities.