Gemini 3.1 Flash Image Preview API

Google's Gemini 3.1 Flash Image Preview, through an OpenAI-compatible API. Providers quote it on an open exchange, and each request goes to the offer with the lowest estimated charge that meets your rules.

Facts

Model name
gemini-3.1-flash-image-preview
Maker
Google
Context window
65.5K tokens
Input price
$0.500 per million tokens
Output price
$59.976 per million tokens
Providers
1 independent provider
Regions
us

Providers

Request

curl https://router.inference.ai.exchange/v1/chat/completions \
  -H "Authorization: Bearer $LIQUID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-image-preview",
    "messages": [{"role":"user","content":"Say hello."}]
  }'

Questions

What is Gemini 3.1 Flash Image Preview?
Served by intent-router: each job goes to the cheapest healthy upstream for this model.
How much does Gemini 3.1 Flash Image Preview cost?
Offers now ask $0.500 per million input tokens and $59.976 per million output tokens. A job pays for the tokens it uses. The exchange picks the cheapest eligible offer.
What is the context length of Gemini 3.1 Flash Image Preview?
The largest offer takes 65,536 input tokens. A smaller offer can take less. The exchange skips an offer that cannot take your message.
What can Gemini 3.1 Flash Image Preview do?
Its providers list Vision, Image output, Reasoning effort, JSON object, JSON schema, Frequency penalty, Logit bias, Log probabilities, Min-p sampling, Presence penalty, Repetition penalty, Seed, Stop sequences, Top-k sampling, Top-p sampling, Text, Tools.
What inputs and outputs does Gemini 3.1 Flash Image Preview support?
Text · Images → Text.
Which providers serve Gemini 3.1 Flash Image Preview?
1 independent provider quote it now, with 1 offer. The table above ranks them by the cost of a typical job.
How do I call Gemini 3.1 Flash Image Preview?
Send "gemini-3.1-flash-image-preview" as the model in an OpenAI or Anthropic request. The API section links to setup steps for each client.
When was Gemini 3.1 Flash Image Preview listed?
The exchange first listed it on 10/8/2026. This is not its release date.

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