Gemini 2.5 Pro

Q: What is the API model name for Gemini 2.5 Pro?

Use gemini-2.5-pro in API calls to Google. The context window is 1.05M tokens, and a response can run to 65,536 output tokens.

Gemini 2.5 Pro API pricing is $1.25 per million input tokens and $10 per million output tokens.

Provider: Google
API model name: gemini-2.5-pro
Status: Older
Input, $ per 1M tokens: $1.25
Cached input, $ per 1M tokens: $0.125
Output, $ per 1M tokens: $10.00
Sample request (10K in, 2K out), $: $0.0325
Context window, tokens: 1.05M
Price checked on: October 31, 2026
Official pricing page: ai.google.dev

These rates on Google’s own API apply to prompts up to 200,000 tokens; above that, input costs $2.50 and output $15. Cached input is billed at $0.125 per million tokens. A request with 10,000 input tokens and 2,000 output tokens costs about $0.033 before caching or batch discounts, less than the $0.044 of the newer Gemini 3.1 Pro Preview. The API model name is gemini-2.5-pro, and the context window is 1.05M tokens.

Max output, tokens: 65.54K
Input types: Text, image, video, audio, PDF
Open weights: No
Long-context pricing: Prompts over 200K tokens: $2.50 input, $0.25 cached input, $15 output
Sources: Page URL Checked
Gemini Developer API pricing https://ai.google.dev/gemini-api/docs/pricing 2026-10-19
OpenRouter model listing (context and output limits) https://openrouter.ai/models 2026-09-29

Page	URL	Checked
Gemini Developer API pricing	https://ai.google.dev/gemini-api/docs/pricing	2026-10-19
OpenRouter model listing (context and output limits)	https://openrouter.ai/models	2026-09-29

Questions

How much does the Gemini 2.5 Pro API cost?

Gemini 2.5 Pro costs $1.25 per million input tokens and $10 per million output tokens for prompts up to 200,000 tokens on Google’s own API. Cached input costs $0.125 per million tokens.

What is the API model name for Gemini 2.5 Pro?

Use gemini-2.5-pro in API calls to Google. The context window is 1.05M tokens, and a response can run to 65,536 output tokens.

What does one Gemini 2.5 Pro request cost?

A request with 10,000 input tokens and 2,000 output tokens costs about $0.033 at standard rates, before caching or batch discounts.

Does Gemini 2.5 Pro cost more for long prompts?

Yes. Prompts over 200K tokens: $2.50 input, $0.25 cached input, $15 output per million tokens.

Sources

Prices are read from each provider’s official pricing page: OpenAI, Anthropic, Google Gemini API, xAI, DeepSeek and Mistral AI. Context and output limits that a provider does not publish come from OpenRouter’s model listing. Each model’s Sources field lists the pages used and the date each was checked. How we check prices · Price change log