Two weeks after launching Gemini 3.1 Pro, its most capable AI model yet, Google on Tuesday launched Gemini 3.1 Flash-Lite, the fastest model in the Gemini 3 family so far. At $0.25/$1.50 per million input/output tokens, it’s also Google’s most affordable Gemini 3 model yet.
The model is meant for what Google describes as “high-volume developer workloads at scale” and is now available in preview in the Gemini API in Google AI Studio and Vertex AI. It won’t be available in the Gemini consumer app.
Benchmarks
Compared to Gemini 2.5…

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