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Google LLC (Gemini API)@us-west1

gemini-3.1-flash-image-preview

Gemini 3.1 Flash Image is optimized for image understanding and generation and offers a balance of price and performance.

👁Vision🧠Reasoning🔧Tool calling⚡Caching🎨Image gen
Try gemini-3.1-flash-image-previewCompareDocs

Specifications

Context window131K tokens
Max output33K tokens
API typechat
AddedFeb 26, 2026
Model IDgoogle/gemini-3.1-flash-image-preview@us-west1
Data retentionYes
Used for trainingUnknown
Provider location🌍 Global
Privacy policyGemini API Terms →

Benchmarks

Benchmarks haven't been published yet for this exact variant.

Some variants (region-specific deployments, highspeed tiers) share benchmarks with their base model — check the base model page or the Google LLC (Gemini API) models overview.

Pricing

Input / 1M
$0.50
Output / 1M
$2.00
Cache write
—
Cache read
—
Estimated cost
100K input + 10K output$0.0700
1M input + 100K output$0.70
10M input + 1M output$7.00

Requesty charges exactly what the upstream provider charges — no markup, no per-request fees. Prompt caching and smart routing can reduce effective cost by 30-80%.

Quickstart

Drop-in compatible with the OpenAI SDK. Change the base URL, swap in your Requesty API key, and set the model to google/gemini-3.1-flash-image-preview@us-west1.

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from openai import OpenAI

client = OpenAI(
    api_key="YOUR_REQUESTY_API_KEY",
    base_url="https://router.requesty.ai/v1",
)

response = client.chat.completions.create(
    model="google/gemini-3.1-flash-image-preview@us-west1",
    messages=[
        {"role": "user", "content": "Explain quantum computing in one paragraph."},
    ],
)

print(response.choices[0].message.content)

Other Google LLC (Gemini API) models

gemini-3.1-flash-lite-preview
1.0M ctx$0.25/1M
gemini-3.1-flash-image-preview
@us-east5
131K ctx$0.50/1M
gemini-3.1-flash-image-preview
@europe-central2
131K ctx$0.50/1M
gemini-3.1-flash-image-preview
@europe-west4
131K ctx$0.50/1M
gemini-3.1-flash-image-preview
@europe-north1
131K ctx$0.50/1M
gemini-3.1-flash-image-preview
@europe-west8
131K ctx$0.50/1M

Frequently asked questions

How much does gemini-3.1-flash-image-preview cost?
gemini-3.1-flash-image-preview is priced at $0.50 per million input tokens and $2.00 per million output tokens when accessed via Requesty. Prompt caching is supported, which can cut effective input cost by up to 90% on repeated context. Requesty charges exactly what the upstream provider charges — we don't add markup.
What is the context window of gemini-3.1-flash-image-preview?
gemini-3.1-flash-image-preview has a context window of 131K tokens, with a maximum output of 33K tokens per response. That's roughly 175 words of input you can fit in a single prompt.
What can gemini-3.1-flash-image-preview do?
gemini-3.1-flash-image-preview supports vision input, tool calling, extended reasoning, prompt caching, image generation. You can call it through any OpenAI-compatible client by pointing base_url to Requesty.
How do I use gemini-3.1-flash-image-preview with the OpenAI SDK?
Install the OpenAI SDK, set base_url to "https://router.requesty.ai/v1", set your API key to your Requesty key, and set the model to "google/gemini-3.1-flash-image-preview@us-west1". The Quickstart above shows Python, JavaScript and cURL snippets.
What region is this deployment?
This variant of gemini-3.1-flash-image-preview is deployed in us-west1. Region-specific endpoints matter for data residency, latency to your users, and compliance requirements (GDPR, HIPAA). Other regions for the same model may be listed on the Google LLC (Gemini API) provider page.

Access gemini-3.1-flash-image-preview through Requesty

One API key, 400+ models, OpenAI-compatible. No markup on provider prices, automatic failover, and smart caching built-in.

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