Gemini 3.1 Flash Image Preview API
Run google/gemini-3.1-flash-image-preview through FastInfra's API.
Pay per token, no subscription, routed to the cheapest available provider.
Gemini 3.1 Flash Image Preview pricing
Billed per token used. Prices sync automatically from wholesale providers.
| Direction | Price per 1M tokens |
|---|---|
| Input | $0.53 |
| Output | $3.15 |
Served by 1 provider
Requests route to OpenRouter by default (cheapest).
Pin a specific provider with the :provider suffix.
| Provider | Upstream model ID |
|---|---|
| openrouter | google/gemini-3.1-flash-image-preview |
Call Gemini 3.1 Flash Image 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-3.1-flash-image-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-3.1-flash-image-preview",
"messages": [{"role": "user", "content": "Hello!"}]
}'Gemini 3.1 Flash Image Preview — common questions
How much does the google/gemini-3.1-flash-image-preview API cost?
On FastInfra, google/gemini-3.1-flash-image-preview costs $0.525/1M input, $3.15/1M output tokens. Billing is per token used, with no subscription.
Is google/gemini-3.1-flash-image-preview compatible with the OpenAI SDK?
Yes. FastInfra exposes google/gemini-3.1-flash-image-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-3.1-flash-image-preview?
google/gemini-3.1-flash-image-preview is available from 1 provider(s): openrouter. Requests route to OpenRouter by default (cheapest); append ":provider" to the model ID to pin one.
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