Nano Banana (Gemini 2.5 Flash Image)
by Google · google/gemini-2.5-flash-image · #168 cheapest of 325 paid models
Prices updated Jul 22, 2026, 1:35 AM UTC · refreshed hourly
Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation,...
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Pricing
Input
$0.30
per 1M tokens
Output
$2.50
per 1M tokens
Blended (3:1)
$0.85
3 input : 1 output
Cache read
$0.03
per 1M cached tokens
Cache write
$0.083
per 1M tokens
Cache & batch economics
Effective prices for Nano Banana (Gemini 2.5 Flash Image) with prompt caching.
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $0.85 | $0.0331 | — |
| 50% | $0.749 | $0.0196 | −41% |
| 90% | $0.668 | $0.0088 | −73% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates for this provider’s batch API. Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.0009 | $0.9 |
| Document summary | 8,000 | 1,000 | $0.0049 | $4.90 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.014 | $14.00 |
| Long-context analysis | 150,000 | 5,000 | $0.0575 | $57.50 |
Performance
Intelligence Index
—
AA composite quality
Coding Index
—
Math Index
—
Agentic Index
—
Output speed
—
median
Time to first token
—
median
Time to first answer
—
after reasoning tokens
Design Arena Elo
| Category | Elo |
|---|---|
| Graphic design | 1,195 |
| Logo | 1,183 |
| Image | 1,209 |
Specs
Context window
33K
tokens
Max output
8K
tokens
Input modalities
image, text
Tokenizer
Gemini