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Gemini API

15 Gemini models on one OpenAI-compatible API and one prepaid balance, up to 10% off the official price for every account.

Get API Key All 15 Gemini models

Up to 10% off

$1.35 / $8.10 $1.50 / $9.00 per 1M input / output tokens

Gemini 3.5 Flash

Gemini models and prices 15

ModelContextPriceDiscount
Gemini 3.5 Flashgoogle/gemini-3.5-flash1.05M$1.35 / $8.10 per 1M tokens $1.50 / $9.00−10%
Gemini 3.1 Pro Previewgoogle/gemini-3.1-pro-preview1.05M$1.80 / $10.80 per 1M tokens $2.00 / $12.00−10%
Gemini 4 Argongoogle/gemini-4-argon1.05M$1.80 / $9.00 per 1M tokens $2.00 / $10.00−10%
Gemini 3.8 Flashgoogle/gemini-3.8-flash1.05M$0.675 / $3.375 per 1M tokens $0.75 / $3.75−10%
Gemini 3.7 Flashgoogle/gemini-3.7-flash1.05M$0.675 / $3.375 per 1M tokens $0.75 / $3.75−10%
Gemini 3.6 Flashgoogle/gemini-3.6-flash1.05M$0.675 / $3.375 per 1M tokens $0.75 / $3.75−10%
Gemini 3.5 Flash Litegoogle/gemini-3.5-flash-lite1.05M$0.27 / $2.25 per 1M tokens $0.30 / $2.50−10%
Gemini 3.1 Flash Litegoogle/gemini-3.1-flash-lite1.05M$0.225 / $1.35 per 1M tokens $0.25 / $1.50−10%
Gemini 3.1 Flash Lite Previewgoogle/gemini-3.1-flash-lite-preview1.05M$0.225 / $1.35 per 1M tokens $0.25 / $1.50−10%
Gemini 3.1 Pro Preview Custom Toolsgoogle/gemini-3.1-pro-preview-customtools1.05M$1.80 / $10.80 per 1M tokens $2.00 / $12.00−10%
Gemini 3 Flash Previewgoogle/gemini-3-flash-preview1.05M$0.45 / $2.70 per 1M tokens $0.50 / $3.00−10%
Gemini 2.5 Flash Litegoogle/gemini-2.5-flash-lite1.05M$0.09 / $0.36 per 1M tokens $0.10 / $0.40−10%
Gemini 2.5 Flashgoogle/gemini-2.5-flash1.05M$0.27 / $2.25 per 1M tokens $0.30 / $2.50−10%
Gemini 2.5 Progoogle/gemini-2.5-pro1.05M$1.125 / $9.00 per 1M tokens $1.25 / $10.00−10%
Gemini 2.5 Pro Preview 06-05google/gemini-2.5-pro-preview1.05M$1.125 / $9.00 per 1M tokens $1.25 / $10.00−10%

Prices as of November 5, 2026. Official price: the model maker's list price. Tier 1–3: OceanToken's standing discounts by cumulative top-up, not limited-time offers.

Call the Gemini API

Any OpenAI-compatible SDK works: set the base URL to https://api.oceantoken.ai/v1, use your OceanToken key and the model id as written.

Python
from openai import OpenAI
# Your API Key from the OceanToken console
client = OpenAI(base_url="https://api.oceantoken.ai/v1",
                api_key="YOUR_API_KEY")
reply = client.chat.completions.create(
    model="google/gemini-3.5-flash",
    messages=[{"role": "user", "content": "Hello"}])
print(reply.choices[0].message.content)

Why use Gemini on OceanToken

  • One API key and one prepaid balance for nearly 500 models from 73 publishers.
  • OpenAI-compatible: change the base URL and the key, and keep your code.
  • Prepaid, with no subscription and no platform fee. Each API key can have its own spending limit.

Gemini compared

Gemini 3.5 Flash vs GPT-6 Luna · DeepSeek V4.1 Flash vs Gemini 3.5 Flash · Gemini 3.1 Pro Preview vs GPT-6 Sol · DeepSeek V4.1 Flash vs Gemini 3.5 Flash · DeepSeek V4.1 Flash vs Gemini 4 Argon · DeepSeek V4.1 Flash vs Gemini 3.8 Flash · DeepSeek V4 Pro vs Gemini 3.5 Flash · DeepSeek V4 Pro vs Gemini 4 Argon · All comparisons

Cheaper alternatives to Gemini 3.5 Flash · Cheaper alternatives to Gemini 3.1 Pro Preview · Cheaper alternatives to Gemini 4 Argon

Frequently asked questions

How much does the Gemini API cost?

On OceanToken Gemini 3.5 Flash costs $1.35 / $8.10 per 1M tokens, against an official price of $1.50 / $9.00 per 1M tokens. The lowest-priced Gemini model is Gemini 2.5 Flash Lite, at $0.09 / $0.36 per 1M tokens. Every model is billed per use from a prepaid balance, with no subscription.

Are these the official Gemini models?

Yes. You call each model by its own name and get that model, below its official price: up to 10% off on the top tier. Every model page shows the official price next to ours before you call it.

How do I call the Gemini API?

Create an API key in the OceanToken console, set the base URL to https://api.oceantoken.ai/v1 and use the model id, for example google/gemini-3.5-flash. The OpenAI SDKs and any OpenAI-compatible client work.

Do I need a subscription to use Gemini?

No. You add credits by card, and each request is billed at the model’s price. Purchased credits are valid for 12 months.

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