Models/google/Gemini 3.1 Flash-Lite Image (Nano Banana 2 Lite)

Gemini 3.1 Flash-Lite Image (Nano Banana 2 Lite)

Google Gemini·google
gemini-3.1-flash-lite-imageImage·—

Google Gemini 3.1 Flash-Lite Image (Nano Banana 2 Lite) is the fastest, most cost-efficient entry tier in the Gemini image family, generating images in about 4 seconds at 1K resolution only, without search grounding, built for prototyping and high-throughput batch generation.

Usage← Models
OverviewProvidersPricingUsageRelated Models
Context Window
1.0M
Input Price /M in
$0.25$0.23/M in
Output Price /M out
$1.50$1.35/M out
Cached Input Price /M
Free/M
Max Completion
66K
Input Modalities
text, image
Output Modalities
text, image
reasoningChatVisionStreamingNew-10%fast

Description

Google Gemini 3.1 Flash-Lite Image (Nano Banana 2 Lite) is the fastest, most cost-efficient entry tier in the Gemini image family, generating images in about 4 seconds at 1K resolution only, without search grounding, built for prototyping and high-throughput batch generation.

Available Providers

AllToken can route requests to the providers below based on route priority and policy.

ProviderContextInputOutputCached / MLatencyThroughput

Best For

Google Gemini 3.1 Flash-Lite Image (Nano Banana 2 Lite) is the fastest, most cost-efficient entry tier in the Gemini image family, generating images in about 4 seconds at 1K resolution only, without search grounding, built for prototyping and high-throughput batch generation.

How To Use This Model

Use the exact model ID shown below. This is the safest way to avoid call failures, variant mismatches, or incorrect route assumptions.

curl https://api.alltoken.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-your-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3.1-flash-lite-image",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'
Supported Parameters
temperaturetop_pmax_tokensreasoning_effort
API Key Setup
Smart Routing

Let the platform choose the best provider path automatically.

Default Model

If a request does not specify a model, default the key to gemini-3.1-flash-lite-image.

Forced Model

Always override incoming requests and lock the key to gemini-3.1-flash-lite-image.

Usage