Gemini 2.5 Pro Preview TTS pricing and specs

Input costs $1 per 1M tokens (84.51 ₽) and output costs $20 per 1M (1,690 ₽). Google bills the prompt and the completion separately, so the price of a call depends on how long both are. Ruble figures use the Bank of Russia rate of 84.51 ₽ per dollar for September 2026.

List prices are quoted per 1M tokens, so 1,000 tokens cost a thousandth of that: divide $1 for input and $20 for output by 1,000. The same rates in rubles are 84.51 ₽ and 1,690 ₽ per 1M tokens. Both prompt tokens and completion tokens are billed.

The Gemini 2.5 Pro Preview TTS context window is 8K tokens (8,192). Everything shares that budget: the system prompt, the dialogue history, attached files and the answer the model writes. The figure comes from the Google model card as of September 2026.

The context window is 8K tokens (8,192) and a single response is capped at 16K tokens, so longer output has to be generated in parts. Rate limits are set by Google per account and depend on your plan rather than on the model, so they are not listed here.

Providers quote their tariffs in US dollars, so the ruble amounts here are a conversion at the official Bank of Russia rate of 84.51 ₽ per dollar. For Gemini 2.5 Pro Preview TTS that gives 84.51 ₽ per 1M input tokens and 1,690 ₽ per 1M output tokens. When the rate moves, the ruble price moves with it.

Gemini 2.5 Pro Preview TTS belongs to the Gemini Flash family at Google. Models in the Gemini line differ in context size, price per 1M tokens and supported capabilities, so compare them by the numbers on their cards rather than by the name. Every Gemini model is listed on the provider page.