Gemini 3 Flash Preview API

Run google/gemini-3-flash-preview through FastInfra's OpenAI-compatible API. Pay per token, no subscription, routed to the cheapest available provider.

Read the docs
Pricing

Gemini 3 Flash Preview pricing

Billed per token used. Prices sync automatically from wholesale providers.

Direction Price per 1M tokens
Input$0.26
Output$1.58
Availability

Served by 2 providers

Requests route to OpenRouter by default (cheapest). Pin a specific provider with the :provider suffix.

Provider Upstream model ID
openrouter google/gemini-3-flash-preview
openrouter google/gemini-3-flash-preview:batch
Quickstart

Call Gemini 3 Flash Preview in 30 seconds

Works with any OpenAI SDK — change the base URL and API key only.

Python

from openai import OpenAI

client = OpenAI(api_key="YOUR_API_KEY", base_url="https://api.fastinfra.ai/v1")

response = client.chat.completions.create(
    model="google/gemini-3-flash-preview",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

curl

curl https://api.fastinfra.ai/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3-flash-preview",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
FAQ

Gemini 3 Flash Preview — common questions

How much does the google/gemini-3-flash-preview API cost?

On FastInfra, google/gemini-3-flash-preview costs $0.2625/1M input, $1.575/1M output tokens. Billing is per token used, with no subscription.

Is google/gemini-3-flash-preview compatible with the OpenAI SDK?

Yes. FastInfra exposes google/gemini-3-flash-preview through an OpenAI-compatible endpoint at https://api.fastinfra.ai/v1 — point any OpenAI SDK at that base URL with a FastInfra API key and keep your existing code.

Which providers serve google/gemini-3-flash-preview?

google/gemini-3-flash-preview is available from 2 provider(s): openrouter, openrouter. Requests route to OpenRouter by default (cheapest); append ":provider" to the model ID to pin one.