# Nano Banana 2 Lite

> The lightweight, low-cost variant of Nano Banana 2 (Gemini 3.1 Flash Image). Ultra-low-latency image generation and editing at a fixed 1K resolution, designed for high-volume interactive use cases.

## Quick Reference

- Model ID: gemini-3.1-flash-lite-image
- Creator: Google
- Status: active
- Family: gemini-3.1-flash
- Base URL: https://api.lumenfall.ai/openai/v1

## Specifications

- Max Resolution: 1024x1024
- Max Input Images: 14
- Input Modalities: text, image
- Output Modalities: text, image
- Capabilities: batch, system_prompt
- Supported Modes: Text to Image, Image Edit

## Model Identifiers

- Primary Slug: gemini-3.1-flash-lite-image
- Aliases: gemini-3.1-flash-image-lite, nano-banana-lite, nano-banana-2-lite
- Alternative Names: Nano Banana 2 Lite

## Dates

- Released: June 2026

## Tags

image-generation, multimodal, fast

## Available Providers

### Vertex AI

- Config Key: vertex/gemini-3.1-flash-lite-image
- Provider Model ID: gemini-3.1-flash-lite-image
- Regions: global
- Pricing: $0.250/M input tokens, $1.50/M output tokens, $0.034/image, $0.125/M input tokens, $0.750/M output tokens, $0.017/image
  - Note: Ultra-low-cost lite variant of Nano Banana 2; output images are fixed at 1K (1024x1024px, 1120 tokens)
  - Note: $0.0336 per output image at 1K (1120 tokens @ $30.00 / 1M image output tokens)
  - Note: Batch mode: $0.0168 per output image at 1K ($15.00 / 1M image output tokens)
  - Source: https://cloud.google.com/vertex-ai/generative-ai/pricing

### Replicate

- Config Key: replicate/gemini-3.1-flash-lite-image
- Provider Model ID: google/nano-banana-2-lite
- Pricing: $0.034/image
  - Note: $0.034 per output image
  - Note: Output images are fixed at 1K (~1 megapixel); for 2K/4K use Nano Banana 2
  - Source: https://replicate.com/google/nano-banana-2-lite

### Gemini API

- Config Key: gemini/gemini-3.1-flash-lite-image
- Provider Model ID: gemini-3.1-flash-lite-image
- Regions: global
- Pricing: $0.250/M input tokens, $1.50/M output tokens, $0.034/image, $0.125/M input tokens, $0.750/M output tokens, $0.017/image
  - Note: Ultra-low-cost lite variant of Nano Banana 2; output images are fixed at 1K (1024x1024px, 1120 tokens)
  - Note: $0.0336 per output image at 1K (1120 tokens @ $30.00 / 1M image output tokens)
  - Note: Batch mode: $0.0168 per output image at 1K ($15.00 / 1M image output tokens)
  - Source: https://ai.google.dev/gemini-api/docs/pricing#gemini-3.1-flash-lite-image

### fal.ai

- Config Key: fal/gemini-3.1-flash-lite-image
- Provider Model ID: google/nano-banana-lite
- Pricing: $0.042/image
  - Note: fal bills by tokens: image output $37.50 / 1M tokens; text output $1.875 / 1M; text/image input $0.3125 / 1M
  - Note: Output images are fixed at 1K (1024x1024px, 1120 tokens) => $0.042 per output image
  - Note: Billed as a flat per-image rate; incidental input text/image token costs are not itemized
  - Source: https://fal.ai/models/google/nano-banana-lite

### fal.ai

- Config Key: fal/gemini-3.1-flash-lite-image-edit
- Provider Model ID: google/nano-banana-lite/edit
- Pricing: $0.042/image
  - Note: fal bills by tokens: image output $37.50 / 1M tokens; text output $1.875 / 1M; text/image input $0.3125 / 1M
  - Note: Output images are fixed at 1K (1024x1024px, 1120 tokens) => $0.042 per output image
  - Note: Billed as a flat per-image rate; incidental input text/image token costs are not itemized
  - Source: https://fal.ai/models/google/nano-banana-lite/edit


## Performance Metrics

Provider performance over the last 30 days.

### gemini

- Median Generation Time (p50): 5545ms
- 95th Percentile Generation Time (p95): 6928ms
- Average Generation Time: 5559ms
- Success Rate: 55.6%
- Total Requests: 63
- Time to First Byte (p50): 5138ms
- Time to First Byte (p95): 6356ms

### vertex

- Median Generation Time (p50): 8103ms
- 95th Percentile Generation Time (p95): 9704ms
- Average Generation Time: 7455ms
- Success Rate: 100.0%
- Total Requests: 27
- Time to First Byte (p50): 7789ms
- Time to First Byte (p95): 9455ms


## Arena Benchmarks

### Geometric Composition

- Elo: 1172
- Record: 4W / 2L / 0T (6 battles)
- Rank: #22 of 70

### Isometric Miniature Diorama Scenes

- Elo: 1114
- Record: 3W / 1L / 0T (4 battles)
- Rank: #22 of 72


## Use Cases & Category Performance

### Product, Branding & Commercial (Text-to-Image)

- Rank: #13 of 42
- Elo: 1235
- Record: 7W / 0L / 0T (7 battles)
- Win Rate: 100.0%

### Text Rendering (Text-to-Image)

- Rank: #16 of 43
- Elo: 1230
- Record: 10W / 1L / 0T (11 battles)
- Win Rate: 90.9%

### Prompt Adherence (Image Editing)

- Rank: #13 of 21
- Elo: 1197
- Record: 4W / 1L / 2T (7 battles)
- Win Rate: 57.1%

### Adding & Editing Objects (Image Editing)

- Rank: #12 of 19
- Elo: 1178
- Record: 3W / 1L / 0T (4 battles)
- Win Rate: 75.0%

### Preservation (Image Editing)

- Rank: #16 of 25
- Elo: 1187
- Record: 7W / 2L / 2T (11 battles)
- Win Rate: 63.6%

### Prompt Adherence (Text-to-Image)

- Rank: #27 of 42
- Elo: 1215
- Record: 13W / 5L / 1T (19 battles)
- Win Rate: 68.4%

### Creativity (Text-to-Image)

- Rank: #26 of 39
- Elo: 1204
- Record: 8W / 2L / 1T (11 battles)
- Win Rate: 72.7%

### Photorealism (Image Editing)

- Rank: #15 of 22
- Elo: 1198
- Record: 4W / 1L / 0T (5 battles)
- Win Rate: 80.0%

### Lighting, Shadows & Materials (Image Editing)

- Rank: #18 of 24
- Elo: 1193
- Record: 4W / 1L / 2T (7 battles)
- Win Rate: 57.1%

### Aesthetics (Text-to-Image)

- Rank: #35 of 45
- Elo: 1189
- Record: 12W / 5L / 1T (18 battles)
- Win Rate: 66.7%

### Photorealism (Text-to-Image)

- Rank: #36 of 43
- Elo: 1147
- Record: 9W / 4L / 1T (14 battles)
- Win Rate: 64.3%

### Face & Identity (Image Editing)

- Rank: #14 of 16
- Elo: 1165
- Record: 4W / 0L / 0T (4 battles)
- Win Rate: 100.0%

### 3D Imaging & Modeling (Text-to-Image)

- Rank: #25 of 28
- Elo: 1180
- Record: 7W / 3L / 0T (10 battles)
- Win Rate: 70.0%

### Artistic Restyling (Image Editing)

- Rank: #15 of 15
- Elo: 1139
- Record: 3W / 1L / 0T (4 battles)
- Win Rate: 75.0%

### Creativity (Image Editing)

- Rank: #15 of 15
- Elo: 1139
- Record: 3W / 1L / 0T (4 battles)
- Win Rate: 75.0%


## Image Gallery

8 images available for this model. Browse all at https://lumenfall.ai/models/google/gemini-3.1-flash-lite-image/gallery

### Curated Examples

- [Cinematic 16:9 shot of a sun-drenched, triple-height artist's loft with massive north-facing wind...](https://assets.lumenfall.ai/tiTf2NWHfa5HD7LZ0Tp-4MfR9CYe5buqiP_70VCcoQs/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/q3yn6m4n92uugl34jy10t2jirq4a@jpeg)
- [Cinematic 16:9 shot of a vast sci-fi data corridor, glowing neon circuits pulsing through server ...](https://assets.lumenfall.ai/zC3poy6vokUM2HaK4brVyyFNHMCjcDOQKxY4D3M7VqY/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/cu500sf60clmv4svc0kryz4m7ccx@jpeg)
- [Macro shot of an Arctic fox curled into a dense white ball on fresh powder snow, soft blue winter...](https://assets.lumenfall.ai/z6tBsE-L5ANwHYVixwuCSGrosPvRxnsXtgZVpJVJn9c/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/u541zd2rstwg6o3892cwit26esog@jpeg)
- [Abundant farmers market stall, overflowing baskets of heirloom tomatoes and purple kale, dappled ...](https://assets.lumenfall.ai/Gmtw8hTGjPcwAuv4gGKlz741caWctQ6xtlzNZegPS4o/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/9n3xtslh9diotd90vslja2eiuun7@jpeg)
- [Re-render the image as a loose watercolor painting. Soft washes, visible paper texture, light pen...](https://assets.lumenfall.ai/UULP79MtHyRtxw_zZm7bzRQwJmf9bs6snxA-v4rmKB4/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/7gfntbeulodwbr9aipb57oq3i1ck@jpeg)
- [Place the hiker from the first image standing at the edge of the lake in the second image, lookin...](https://assets.lumenfall.ai/50TK-qd0Z-r4X1PNTgR6sUoMW083dybo9I9n06KDYYM/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/zceo0icfvw3b4jobpzda99iw42aa@jpeg)

### Arena Competition Results

- [Geometric Composition](https://assets.lumenfall.ai/4Zm_ejbPKbD3TgGpWCw04LIcqP-Ak4ZhpQ90C_hLSZA/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/ayljhspn6x6thns6x3q8lxrax7v9@jpeg): #22 of 70 (Elo 1172)
- [Isometric Miniature Diorama Scenes](https://assets.lumenfall.ai/HQ-BfLmzz0ATjnJaWXEJw_jr_l34QZ1xpGqNvcFLRv0/rs:fit:1500:1500/plain/gs://lumenfall-prod-assets/3neppaqv2tyv7ybxm9cykcpximcq@jpeg): #22 of 72 (Elo 1114)

## Parent Model

This model is derived from: Nano Banana 2 (gemini-3.1-flash-image-preview)

## Example Prompt

The following prompt was used to generate an example image in our playground:

Place the hiker from the first image standing at the edge of the lake in the second image, looking out at the peaks. Match the morning light and atmospheric depth of the landscape.

## Code Examples

### Text to Image (/v1/images/generations)

#### cURL

curl -X POST \
  https://api.lumenfall.ai/openai/v1/images/generations \
  -H "Authorization: Bearer $LUMENFALL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-lite-image",
    "prompt": "",
    "size": "1024x1024"
  }'

# Response:
# { "created": 1234567890, "data": [{ "url": "https://...", "revised_prompt": "..." }] }

#### JavaScript

import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: 'YOUR_API_KEY',
  baseURL: 'https://api.lumenfall.ai/openai/v1'
});

const response = await client.images.generate({
  model: 'gemini-3.1-flash-lite-image',
  prompt: '',
  size: '1024x1024'
});

// { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] }
console.log(response.data[0].url);

#### Python

from openai import OpenAI

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

response = client.images.generate(
    model="gemini-3.1-flash-lite-image",
    prompt="",
    size="1024x1024"
)

# { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] }
print(response.data[0].url)

### Image Edit (/v1/images/edits)

#### cURL

curl -X POST \
  https://api.lumenfall.ai/openai/v1/images/edits \
  -H "Authorization: Bearer $LUMENFALL_API_KEY" \
  -F "model=gemini-3.1-flash-lite-image" \
  -F "image=@source.png" \
  -F "prompt=Add a starry night sky to this image" \
  -F "size=1024x1024"

# Response:
# { "created": 1234567890, "data": [{ "url": "https://...", "revised_prompt": "..." }] }

#### JavaScript

import OpenAI from 'openai';
import fs from 'fs';

const client = new OpenAI({
  apiKey: 'YOUR_API_KEY',
  baseURL: 'https://api.lumenfall.ai/openai/v1'
});

const response = await client.images.edit({
  model: 'gemini-3.1-flash-lite-image',
  image: fs.createReadStream('source.png'),
  prompt: 'Add a starry night sky to this image',
  size: '1024x1024'
});

// { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] }
console.log(response.data[0].url);

#### Python

from openai import OpenAI

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

response = client.images.edit(
    model="gemini-3.1-flash-lite-image",
    image=open("source.png", "rb"),
    prompt="Add a starry night sky to this image",
    size="1024x1024"
)

# { created: 1234567890, data: [{ url: "https://...", revised_prompt: "..." }] }
print(response.data[0].url)


## Frequently Asked Questions

### How much does Nano Banana 2 Lite cost?

Nano Banana 2 Lite starts at $0.0168 per image through Lumenfall. Pricing varies by provider. Lumenfall does not add any markup to provider pricing.

### What can Nano Banana 2 Lite do?

Nano Banana 2 Lite supports Batch and System prompt. It accepts text and image input and produces text and image output.

### How do I use Nano Banana 2 Lite via API?

You can use Nano Banana 2 Lite through Lumenfall's OpenAI-compatible API. Send requests to the unified endpoint with model ID "gemini-3.1-flash-lite-image". Code examples are available in Python, JavaScript, and cURL.

### Which providers offer Nano Banana 2 Lite?

Nano Banana 2 Lite is available through Vertex AI, Replicate, Gemini API, and fal.ai on Lumenfall. Lumenfall automatically routes requests to the best available provider.

### What is the maximum resolution for Nano Banana 2 Lite?

Nano Banana 2 Lite supports images up to 1024x1024 resolution.

## Links

- Model Page: https://lumenfall.ai/models/google/gemini-3.1-flash-lite-image
- About: https://lumenfall.ai/models/google/gemini-3.1-flash-lite-image/about
- Providers, Pricing & Performance: https://lumenfall.ai/models/google/gemini-3.1-flash-lite-image/providers
- API Reference: https://lumenfall.ai/models/google/gemini-3.1-flash-lite-image/api
- Benchmarks: https://lumenfall.ai/models/google/gemini-3.1-flash-lite-image/benchmarks
- Use Cases: https://lumenfall.ai/models/google/gemini-3.1-flash-lite-image/use-cases
- Gallery: https://lumenfall.ai/models/google/gemini-3.1-flash-lite-image/gallery
- Playground: https://lumenfall.ai/models/google/gemini-3.1-flash-lite-image/playground
- API Documentation: https://docs.lumenfall.ai