Nano Banana 2 (Gemini 3.1 Flash Image)
ModelActiveby Google · family “nano-banana-gemini-flash-image”
Gemini 3.1 Flash Image, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines advanced... (description from the OpenRouter listing)
in: imagein: textout: imageout: textReasoningStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Released
18 Jun 2026
Context window
131K tokens
Max output
33K tokens
Input $ / 1M tokens
$0.50
Output $ / 1M tokens
$3.00
Cached input $ / 1M
Unknown
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 observations (OpenRouter listing + Internet Archive snapshots). History accumulates with every ingest run; a single point means no change has been observed yet.
Events
- Model launch3mo agoGoogle releases Nano Banana 2 (Gemini 3.1 Flash Image)OpenRouter models API