Question 1

What is Gemini 2.5 Pro?

Accepted Answer

Gemini 2.5 Pro is a model from Google Gemini AI, released on Mar 25, 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 cost?

Accepted Answer

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

Question 3

Which providers serve Gemini 2.5 Pro on Respan?

Accepted Answer

8 providers serve Gemini 2.5 Pro: DeepInfra, Google Gemini AI, Inference.net, OpenRouter, and Google Vertex AI. Google Vertex AI require your own provider API key (BYOK).

Question 4

What is Gemini 2.5 Pro's context window?

Accepted Answer

Gemini 2.5 Pro accepts up to 1.0M tokens of context on its largest provider route.

Question 5

How do I use Gemini 2.5 Pro 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/gemini-2.5-pro". 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?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was Google Gemini AI at 102 tokens per second, and the lowest response latency was 1.6 seconds on OpenRouter. Speed varies with request size and provider.

Question 7

Where does Gemini 2.5 Pro rank on the Respan Index?

Accepted Answer

Gemini 2.5 Pro scores 20.9 out of 100 on the Respan Index v1.1, ranking #90 of 138 models. By category: Coding 3.2, Agents 30.8, Reasoning 16.0, Knowledge & language 15.3 (estimated), and Human preference 46.1. The Respan Index combines independent and lab-reported benchmark results into one score, using benchmark data collected by llmmetric.com.

Question 8

How does Gemini 2.5 Pro score on benchmarks?

Accepted Answer

Gemini 2.5 Pro has 24 published benchmark scores, including Aider Polyglot 82.2%, tau2-bench Banking Knowledge 13.7%, and GPQA Diamond 86.4%. Each score links to where it was published; the data is collected by llmmetric.com.

Provider	Context	Input	Output
DeepInfra`deepinfra/google/gemini-2.5-pro`	1M	$1.25/M	$10.00/M
Google Gemini AI`gemini/gemini-2.5-pro`	1.0M	$1.25/M	$10.00/M
Inference.net`inference_net/gemini-2.5-pro`	1.0M	$1.25/M	$10.00/M
OpenRouter`openrouter/google/gemini-2.5-pro`	1.0M	$1.25/M	$10.00/M
Google Vertex AIBYOK only`vertex_ai_beta/gemini-2.5-pro`	1.0M	$1.25/M	$10.00/M
Google Vertex AIBYOK only`vertex_ai_beta/gemini-2.5-pro-preview-03-25`	1.0M	$1.25/M	$10.00/M
Google Vertex AIBYOK only`vertex_ai_beta/gemini-2.5-pro-preview-05-06`	1.0M	$1.25/M	$10.00/M
Google Vertex AIBYOK only`vertex_ai/gemini-2.5-pro`	1.0M	$1.25/M	$10.00/M

Gemini 2.5 Pro

Providers

Certified where it counts.

Pricing

Cost by volume

Throughput and latency

Output speed

Response latency

Benchmarks

Respan Indexv1.1

Coding6

Apps

Gemini 2.5 Pro FAQ

Works with your entire stack

Built for AI agents.
Break less.
Ship more.

Agents2

Reasoning4

Math7

Multimodal1

Arena3

Other1