Nano Banana Pro (Gemini 3 Pro Image)
ModelActiveby Google · family “nano-banana-pro-gemini-pro-image”
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: textReasoningTool useStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Released
18 Jun 2026
Context window
131K 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
4 recorded prices on 17 Jul 2026 (OpenRouter listing + Internet Archive snapshots); re-read on every data refresh, most recently 39m ago. Steps show when the price changed.
Events
- Model launchMajorGoogle releases Nano Banana Pro (Gemini 3 Pro Image)OpenRouter models API