Nano Banana Pro (Gemini 3 Pro Image)

google/gemini-3-pro-image

A chat model with a 66K-token context window, at $2.10 per million input tokens and $12.60 per million output tokens.

Details

Maker
google
Kind
Chat
Context window
65,536 tokens
Max output
32,768 tokens
Input
$2.10 per million tokens
Cached input
$0.21 per million tokens, 90% off
Cache write
Same as input
Output
$12.60 per million tokens
Capabilities
Vision, web search, image generation
Takes
Text, image
Returns
Text, image
Zero data retention
Not on every provider
No training on requests
Yes, on every provider
Released
2025-09-01
Newer model
google/gemini-4-argonReleased later by the same maker, costs no more, and lists the same capabilities. Compare the two

Description

Nano Banana Pro (Gemini 3 Pro Image) builds on Nano Banana's generation capabilities into a new era of studio-quality, functional design to help you create and edit high-fidelity, production-ready visuals with unparalleled precision and control. Improvements include enhanced world knowledge and reasoning, dynamic text and translation, and studio level controls.

Call it

curl
curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3-pro-image",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.