Google
Nano Banana Pro (Gemini 3 Pro Image Preview) API pricing
Nano Banana Pro (Gemini 3 Pro Image Preview) is Google’s model on the API market, released 20 Nov 2025. Prices are per million tokens in USD, as last read from the price list.
$2.00Input / 1M
$12Output / 1M
66KContext
33KMax output
Specification
USD per million tokens- Provider
- Model id
google/gemini-3-pro-image-preview- Input
- $2.00
- Output
- $12
- Cached input
- $0.20
- Context window
- 66K tokens
- Maximum output
- 33K tokens
- Takes
- image, text
- Returns
- image, text
- Tool use
- Not reported
- Reasoning
- Yes
- Released
- 20 Nov 2025
- First tracked
- 17 Sept 2026
At $2.00 per million input tokens, Nano Banana Pro (Gemini 3 Pro Image Preview) is dearer than 259 of the 326 models on the price list.
Price changes
Tracked since 17 Sept 2026No price change has been recorded since tracking began on 17 Sept 2026. Prices are checked every six hours, and any change is listed here and on model changes.
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Prices and specifications come from OpenRouter’s catalogue, last read 17 Sept 2026. A provider’s own price may differ; how this is collected.