GooglePaidOperational
Gemini Pro
API model name: gemini-pro
Gemini Pro is Google's chat model, served on the Api.Airforce unified API. It has a 1M-token context window. Beyond text, it accepts audio, file, image, video as input. Capabilities include Vision, Tool calling, Reasoning, Documents, Prompt caching. Access it through the OpenAI-compatible API with one key, alongside 65+ other models on Api.Airforce.
Pricing
Specifications
- Provider
- Type
- chat model
- Context window
- 1M tokens
- Max output
- 66K tokens
- Input
- audio, file, image, text, video
- Output
- text
- Prompt caching
- Supported
Capabilities
VisionTool callingReasoningDocumentsPrompt cachingStreaming
What is Gemini Pro used for?
- Chatbots & assistants — conversational AI, drafting, summarizing and Q&A.
- Image understanding — analyze photos, screenshots, charts and scanned documents.
- Agents & automation — function calling and tool use for multi-step workflows.
- Complex reasoning — math, coding and step-by-step problem solving.
- Document analysis — summarize and answer questions across long files.
- Long-context tasks — process entire documents or codebases in a single prompt.
- Real-time experiences — stream tokens for responsive chat and apps.
Gemini Pro vs. similar models
| Model | Context | Input / 1M | Output / 1M |
|---|---|---|---|
| Gemini Pro | 1M | — | — |
| Gemini 2.5 Flash | 1M | $0.40 | $2.50 |
| Gemini 2.5 Pro | 1M | $0.70 | $2.20 |
| Gemini 3 Flash | 1M | $0.15 | $0.80 |
Prices are Api.Airforce pay-as-you-go rates per 1M tokens. Context is the maximum input length.
Related models
Gemini 2.5 FlashGoogle · $0.40 / 1MGemini 2.5 ProGoogle · $0.70 / 1MGemini 3 FlashGoogle · $0.15 / 1MGemini 3 ProGoogle · $0.90 / 1MGemini 3.1 Flash LiteGoogle · $0.14 / 1MGemini 3.1 ProGoogle · $1.00 / 1MGemini 3.1 Pro Preview CustomtoolsGoogleGemini 3.5 FlashGoogle · $1.20 / 1MGemini FlashGoogleGemma3 270mGoogle · FreeImagen 3Google · FreeImagen 4Google · Free
Gemini Pro — frequently asked questions
- How much does Gemini Pro cost?
- Gemini Pro is billed per generation rather than per token. See the pricing page for the current rate.
- What is the context window of Gemini Pro?
- Gemini Pro supports a context window of up to 1M tokens. It can return up to 66K tokens in a single response.
- What can Gemini Pro do?
- Gemini Pro supports Vision, Tool calling, Reasoning, Documents, Prompt caching.
- Is Gemini Pro free to use?
- Gemini Pro is a paid, pay-as-you-go model — no subscription, you are only charged for usage.
- How do I use Gemini Pro via the API?
- Gemini Pro is OpenAI-compatible. Point any OpenAI SDK at https://api.airforce/v1 and pass the model ID gemini-pro with your Api.Airforce API key.
- Who makes Gemini Pro?
- Gemini Pro is Google's chat model, served through the unified Api.Airforce gateway alongside 65+ other models.
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Use Gemini Pro via the API
OpenAI-compatible — point any OpenAI SDK at https://api.airforce/v1 and pass gemini-pro as the model.
cURL
curl https://api.airforce/v1/chat/completions \
-H "Authorization: Bearer $AIRFORCE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gemini-pro",
"messages": [{ "role": "user", "content": "Hello!" }]
}'Python
from openai import OpenAI
client = OpenAI(base_url="https://api.airforce/v1", api_key="$AIRFORCE_API_KEY")
r = client.chat.completions.create(
model="gemini-pro",
messages=[{"role": "user", "content": "Hello!"}],
)
print(r.choices[0].message.content)JavaScript
import OpenAI from "openai";
const client = new OpenAI({ baseURL: "https://api.airforce/v1", apiKey: process.env.AIRFORCE_API_KEY });
const r = await client.chat.completions.create({
model: "gemini-pro",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(r.choices[0].message.content);