Gemini 3 Pro Image, known as Nano Banana Pro, is Google's professional image-generation model, built for complex instructions, production-ready assets, high-resolution output, and grounding workflows.
Modetext → text
Input price$0.6 per M tokens
Output price—
Context length
Weekly usage5.489K tokens
Listed at
Google
Latency—
Throughput—
Upload rate—
Context length—
Max output—
Input price$0.6per request
Output price—per request
Cache read—per request
Cache write—per request
Performance
Avg TPS—
Avg latency—
Avg success rate—
TPS—
TTFT—
Latency—
Success rate—
Success rate
Speed
Code Example
Replace <YOUR_API_KEY> with the API key generated on your token management page.
Authentication
All requests must include the Authorization: Bearer <TOKEN> header.
Endpoint Path
POST
Supported Parameters
ParameterTypeDefaultDescription
Rate Limits
GroupRPMTPMRPD
RPM = requests per minute, TPM = tokens per minute, RPD = requests per day. Limits apply by token group.