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Gemini 2.5 ProAPI
Gemini 2.5 Pro (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 Pro, measured by Artificial Analysis. Higher is better.
About this model
Gemini 2.5 Pro 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 Pro?
Gemini 2.5 Pro is an AI language model from Google. It is a proprietary model, available through an API. It scores 25.8 on the Artificial Analysis intelligence index.
Is Gemini 2.5 Pro free?
Gemini 2.5 Pro is not free: it costs $1.25 per million input tokens and $10 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
What is Gemini 2.5 Pro good at?
Independent benchmarks from Artificial Analysis give it GPQA 84.4%, MMLU-Pro 86.2%, Humanity's Last Exam 21.1%, Long Context Reasoning 66%, LiveCodeBench 80.1%, SciCode 42.8%, MATH-500 96.7%, AIME 88.7%, AIME 2025 87.7%, IFBench 48.7%, τ²-Bench 54.1%, τ-Bench Banking 9.3%, Terminal-Bench 28.5%, Terminal-Bench Hard 26.5%. It is particularly used for code generation.
How fast is Gemini 2.5 Pro?
It generates about 138.6 tokens per second, with a median 19.7s 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.