YepAPI
GoogleImage Generation/v1/media/queue

Gemini 3.1 Flash Lite Image API

Gemini 3.1 Flash Lite Image from $0.08 — fast Google image generation with 14 aspect ratios.

The lite tier of Google's Gemini 3.1 image family. Fast, cheap generation with an unusually wide aspect-ratio range — including 8:1 and 1:8 banners — from $0.08 per image.

No credit card required. Takes 30 seconds.

Gemini 3.1 Flash Lite Image API pricing

Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated July 31, 2026.

BillingPrice
Rate$0.08/image
What it costsPer job
1 imagefrom default size$0.08
100 imagesa product catalog batch$8.00
1,000 imagesa month of app traffic$80.00

2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Try it live

Enter a prompt and generate an image with Gemini 3.1 Flash Lite Image.

POST/v1/media/queue

Drop image or click to upload

For image-to-image editing

Response
Hit "Send Request" to see the response

Gemini 3.1 Flash Lite Image specs

ProviderGoogle
Model IDgoogle/gemini-3.1-flash-lite-image
Endpoint/v1/media/queue
TypeImage Generation
Aspect ratios1:1, 1:4, 1:8, 2:3, 3:2, 3:4, 4:1, 4:3, 4:5, 5:4, 8:1, 9:16, 16:9, 21:9
Image inputYes

How to get a Gemini 3.1 Flash Lite Image API key

  1. 1

    Create a free account

    Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.

  2. 2

    Create an API key

    Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.

  3. 3

    Call Gemini 3.1 Flash Lite Image

    Send a request to /v1/media/queue with the x-api-key header and model "google/gemini-3.1-flash-lite-image".

  4. 4

    Pay as you go

    Usage is billed per request from your balance. Top up any amount; there is no subscription.

Strengths

✓
14 aspect ratios

Spans 8:1 and 4:1 ultra-wide banners through 1:4 and 1:8 verticals, framing you rarely get from an image model.

✓
Fast and cheap

The lite tier of the Gemini 3.1 image line, priced around $0.08 for high-volume generation.

✓
Reference-image editing

Accepts an uploaded image for edits, restyles, and extensions.

✓
Same family as Nano Banana

Shares the Gemini 3.1 image lineage, so prompts port cleanly to the Flash and Pro tiers.

Quick start

Copy this snippet and start making calls with Gemini 3.1 Flash Lite Image.

// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "google/gemini-3.1-flash-lite-image",
    "prompt": "An ultra-wide banner of a mountain ridge line at first light, layered mist between the peaks, cool blue foreground fading to warm gold at the summit",
    "options": {
      "aspectRatio": "1:1"
    }
  }),
});
const { data } = await res.json();
const jobId = data.jobId;

// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
  headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }

Gemini 3.1 Flash Lite Image vs similar models

Every model below runs on the same API key — switch by changing the model ID.

ModelProviderPrice
Gemini 3.1 Flash Lite ImageGooglefrom $0.08/image
Gemini 2.5 Flash ImageGooglefrom $0.09/image
Nano Banana 3.1 FlashGoogle$1.00/1M input, $120.00/1M output (~$0.19 est.)
Nano Banana 3 ProGoogle$4.00/1M input, $240.00/1M output (~$0.32 est.)
FLUX 3 Image KleinBlack Forest Labsfrom $0.02/image
GPT Image 2OpenAIfrom $0.02/image
GPT Image 1 MiniOpenAIfrom $0.02/image
GPT-5.4 Image 2OpenAIfrom $0.02/image

Why use Gemini 3.1 Flash Lite Image through YepAPI?

✓One API key for all models — no separate accounts
✓No monthly minimums — pay per call
✓Switch models with one line of code
✓Simple REST API — works from any language
✓Unified billing across all providers
✓No rate limits for most use cases

Gemini 3.1 Flash Lite Image API — fast Google image generation

Gemini 3.1 Flash Lite Image is the lightweight tier of Google's Gemini 3.1 image family — the same lineage as Nano Banana 3, tuned for speed and cost. Its aspect-ratio range is the widest here, from 8:1 banners to 1:8 verticals.

Through YepAPI it runs on `/v1/media/queue` at about $0.08 per image, so you can generate header banners, story crops, and thumbnails from one model and one key.

Start generating in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”

Marcus T.

SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”

Priya S.

Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”

Jake R.

Indie Hacker

Frequently asked questions

The lite tier of Google's Gemini 3.1 image family. Fast, cheap generation with an unusually wide aspect-ratio range — including 8:1 and 1:8 banners — from $0.08 per image.

Gemini 3.1 Flash Lite Image costs from $0.08/image through YepAPI, billed per request with no monthly fee. For example, a 1 image (from default size) costs about $0.08.

Sign up at yepapi.com (Google or email, about 30 seconds), open the dashboard and create an API key. The same key works for Gemini 3.1 Flash Lite Image and every other model — no separate Google account or waitlist.

New YepAPI accounts in most countries get free signup credit, enough to test Gemini 3.1 Flash Lite Image without a card. After that you pay per request at the rates above — there is no subscription.

Use "google/gemini-3.1-flash-lite-image" as the model on /v1/media/queue. The short alias "gemini-lite-image" also works.

Ready to use Gemini 3.1 Flash Lite Image?

$5 free credit on signup. No credit card required. Pay per call.

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