Nano Banana 2.1 API
About
Build advanced reasoning agents with Nano Banana 2.1, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $1.50/1M input and $7.50/1M output tokens, native tool calling support. Access Nano Banana 2.1 via the Kilo Gateway API with up to 59K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
66K
Tokens
Input Limit
66K
Tokens
Max Output
59K
Tokens
Pricing
Standard (per 1M tokens)
Input
$1.50
Output
$7.50
Frequently Asked Questions
Nano Banana 2.1 by Kilo Gateway costs $1.50 per 1M input tokens and $7.50 per 1M output tokens.
Model Details
ID
google/gemini-nano-banana-2.1
Provider
Kilo GatewayFamily
gemini-flash
Release Date
Oct 6, 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