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Nano Banana 2 (Gemini 3.1 Flash Image Preview) fast
google/gemini-3-1-flash-image-preview
Gemini 3.1 Flash Image Preview, 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...
Input / 1M
$0.50
USD per million tokens
Output / 1M
$3.00
USD per million tokens
Est. cost / token
$0.000001125
$1.13 per 1M, 3:1 mix
Context window
66K
max output 59K
Major features
VisionReasoningJSON schema
Task suitability (heuristic 1–5, not a benchmark)
- coding3
- reasoning3
- math3
- summarization4
- extraction4
- classification4
- chat3
- creative3
- translation4
- vision3
- long context2
- agentic1
Price history
| Recorded | Input | Output | Cached | Source |
|---|---|---|---|---|
| 2026-11-05 03:20 | $0.50 | $3.00 | — | openrouter |
A row is added whenever a sync detects a price change. Vendor pricing source
Pricing (USD per 1M tokens)
- Input
- $0.50
- Output
- $3.00
- Blended (3:1)
- $1.13
Details
- Company
- Version
- 3.1
- Family
- Gemini
- Released
- 2026-02-26
- Parameters
- Undisclosed
- Max output
- 59K
- Open weights
- No
- Inputs
- image, text
- Last synced
- 29 min ago