Nano Banana Pro (Gemini 3 Pro Image Preview)
ModelActiveby Google · family “nano-banana-pro-gemini-pro-image-preview”
Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and... (description from the OpenRouter listing)
in: imagein: textout: imageout: textReasoningStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Released
20 Nov 2025
Context window
66K tokens
Max output
33K tokens
Input $ / 1M tokens
$2.00
Output $ / 1M tokens
$12.0
Cached input $ / 1M
$0.20
Each benchmark shown separately with its own source
Benchmark results (0)
No benchmark results recorded for this model.
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
API list price over time
Price history
$ per 1M tokens
11 observations (OpenRouter listing + Internet Archive snapshots). History accumulates with every ingest run; a single point means no change has been observed yet.
Events
- Model launch10mo agoGoogle releases Nano Banana Pro (Gemini 3 Pro Image Preview)OpenRouter models API