Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) API
About
Build advanced reasoning agents with Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview), a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.50/1M input and $3.00/1M output tokens. Access Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) via the Kilo Gateway API with up to 66K output tokens.
Capabilities
Input Modalities
imagetext
Output Modalities
imagetext
Limits
Context Window
66K
Tokens
Input Limit
66K
Tokens
Max Output
66K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.50
Output
$3.00
Frequently Asked Questions
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) by Kilo Gateway costs $0.50 per 1M input tokens and $3.00 per 1M output tokens.
Model Details
ID
google/gemini-3.1-flash-image-preview
Provider
Kilo GatewayFamily
Release Date
Feb 26, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
KILO_API_KEY
API Base URL
https://api.kilo.ai/api/gateway