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Gemini 3.1 Flash LiteAPI
Gemini 3.1 Flash Lite (Google): live API pricing, context window and the best open-source alternatives, tracked daily by OpenSourceAI.tech.
Prices update automatically — checked hourly against provider list prices.
Benchmarks & performance
Independent benchmark scores for Gemini 3.1 Flash Lite, measured by Artificial Analysis. Higher is better.
About this model
Gemini 3.1 Flash Lite is a commercial AI model by Google. The specifications below are tracked automatically: pricing is refreshed hourly from public list prices, so the numbers on this page reflect the current cost of using the model through its API.
Frequently asked questions
What is Gemini 3.1 Flash Lite?
Gemini 3.1 Flash Lite is an AI language model from Google. It is a proprietary model, available through an API. It scores 25 on the Artificial Analysis intelligence index.
Is Gemini 3.1 Flash Lite free?
Gemini 3.1 Flash Lite is not free: it costs $0.25 per million input tokens and $1.5 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
What is Gemini 3.1 Flash Lite good at?
Independent benchmarks from Artificial Analysis give it GPQA 82.2%, Humanity's Last Exam 16.2%, Long Context Reasoning 65.3%, SciCode 41.9%, IFBench 77.2%, τ²-Bench 31.3%, τ-Bench Banking 8.7%, Terminal-Bench 31.1%, Terminal-Bench Hard 24.2%. It is particularly used for code generation.
How fast is Gemini 3.1 Flash Lite?
It generates about 309.5 tokens per second, with a median 5.7s delay before the first token. Measured independently by Artificial Analysis.
Open-source alternatives
Depending on your workload, an open-weight model that you can self-host may cut costs dramatically or remove per-token pricing entirely. Our comparison pages put this model side by side with the strongest open-source contenders.