Question 1

What is Gemini 2.5 Pro Preview?

Accepted Answer

Gemini 2.5 Pro Preview is a model from Google Gemini AI, released on Jun 5, 2025. Gemini 2 5 Pro is a Google Gemini model for multimodal reasoning, coding, generation, and long-context tasks.

Question 2

How much does Gemini 2.5 Pro Preview cost?

Accepted Answer

On the Respan gateway, input starts at $1.25 per 1M tokens on OpenRouter, and output starts at $10.00 per 1M tokens on OpenRouter, after gateway discounts.

Question 3

Which providers serve Gemini 2.5 Pro Preview on Respan?

Accepted Answer

Gemini 2.5 Pro Preview is served by OpenRouter.

Question 4

What is Gemini 2.5 Pro Preview's context window?

Accepted Answer

Gemini 2.5 Pro Preview accepts up to 1.0M tokens of context.

Question 5

How do I use Gemini 2.5 Pro Preview with the Respan gateway?

Accepted Answer

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "gemini-2.5-pro-preview". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Question 6

How fast is Gemini 2.5 Pro Preview?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was OpenRouter at 31 tokens per second, and the lowest response latency was 1.9 seconds on OpenRouter. Speed varies with request size and provider.

Gemini 2.5 Pro Preview

Providers

Pricing

Cost by volume

Throughput and latency

Certified where it counts.

Output speed

Response latency

Apps