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Gemini 2.5 FlashAPI
Gemini 2.5 Flash (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 2.5 Flash, measured by Artificial Analysis. Higher is better. Measurement mode: Non-reasoning.
About this model
Gemini 2.5 Flash 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 2.5 Flash?
Gemini 2.5 Flash is an AI language model from Google. It is a proprietary model, available through an API. It scores 14.1 on the Artificial Analysis intelligence index.
Is Gemini 2.5 Flash free?
Gemini 2.5 Flash is not free: it costs $0.3 per million input tokens and $2.5 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
What is Gemini 2.5 Flash good at?
Independent benchmarks from Artificial Analysis give it GPQA 68.3%, MMLU-Pro 80.9%, Humanity's Last Exam 5.1%, Long Context Reasoning 45.9%, LiveCodeBench 49.5%, SciCode 29.1%, MATH-500 93.2%, AIME 50%, AIME 2025 60.3%, IFBench 39%, τ²-Bench 14.9%, Terminal-Bench Hard 12.1%. It is particularly used for mathematical reasoning.
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.