Nano Banana 2 API
About
Build advanced reasoning agents with Nano Banana 2, 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 Nano Banana 2 via the Kilo Gateway API with up to 33K output tokens.
Capabilities
Input Modalities
imagetextpdf
Output Modalities
textimage
Reasoning
Yes
Structured Output
Yes
Tool Use
No
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
131K
Tokens
Input Limit
131K
Tokens
Max Output
33K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.50
Output
$3.00
Frequently Asked Questions
Nano Banana 2 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
Provider
Kilo GatewayFamily
gemini-flash
Release Date
May 28, 2026
Knowledge Cutoff
Jan 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
KILO_API_KEY
API Base URL
https://api.kilo.ai/api/gateway