Gemini 3.1 Pro API Pricing in India (INR)
Google's newest frontier Pro (preview): top-tier reasoning and multimodality with 1M context.
Velona effective price, provider rate converted at USD→INR 95.94 plus platform markup.
Prices refreshed every 6 hours (last: 2026-07-28T17:32:59Z). Model id: google/gemini-3.1-pro-preview
Monthly cost calculator
Example costs
| Scenario | Cost (INR) |
|---|---|
| A 500-token chat reply (150 prompt + 500 completion tokens) | ₹0.65 |
| Summarizing a 10-page document (~6,000 prompt + 700 completion tokens) | ₹2.10 |
| A 1M-token batch job (1M prompt + 100k completion tokens) | ₹330.13 |
Benchmarks
Independent scores from Artificial Analysis.
How to call Gemini 3.1 Pro on Velona
One gateway API for 300+ models. Create a free account, top up via UPI from ₹10, and send:
curl -X POST https://velona.in/gateway/v1/inference/run \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "google/gemini-3.1-pro-preview",
"turns": [
{
"role": "user",
"content": "Hello!"
}
]
}'Frequently asked questions
How much does the Gemini 3.1 Pro API cost in rupees?
Through Velona, Gemini 3.1 Pro costs ₹206.33 per 1M input tokens and ₹1,238 per 1M output tokens. Prices include forex conversion and Velona's markup. The number you see is the number you pay, refreshed every 6 hours.
Can I pay for the Gemini 3.1 Pro API with UPI?
Yes. Velona wallets top up via UPI, RuPay, cards, and net banking through Razorpay, starting at ₹10. No international card is required.
Is there a free way to try Gemini 3.1 Pro-class models?
Velona's /try page offers free AI chat with no account (10 messages/day), and free-tier models are available via the free model access program after a quick approval.
What is the context window of Gemini 3.1 Pro?
Gemini 3.1 Pro supports a context window of 1,048,576 tokens on Velona.
How does Gemini 3.1 Pro compare with Gemini 2.5 Pro?
See the side-by-side comparison linked on this page for INR pricing, benchmarks, and guidance on when to pick Gemini 3.1 Pro versus Gemini 2.5 Pro.
Compare Gemini 3.1 Pro
Velona is India's INR-native AI API gateway with 300+ models behind one API key, UPI top-up from ₹10, no foreign card needed.