Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
by Google · google/gemini-3.1-flash-lite-image · #136 cheapest of 325 paid models
Prices updated Jul 22, 2026, 2:49 AM UTC · refreshed hourly
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is Google's fastest, most cost-efficient Gemini image model, built for high-velocity developer pipelines and rapid-fire visual exploration. It delivers text-to-image generation...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5GPT-5.6 Sol
Pricing
Input
$0.25
per 1M tokens
Output
$1.50
per 1M tokens
Blended (3:1)
$0.563
3 input : 1 output
Cache read
—
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) (no cache-read rate published — hits billed as normal input).
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $0.563 | $0.027 | — |
| 50% | $0.563 | $0.027 | −0% |
| 90% | $0.563 | $0.027 | −0% |
*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 | $0.000575 | $0.575 |
| Document summary | 8,000 | 1,000 | $0.0035 | $3.50 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.0105 | $10.50 |
| Long-context analysis | 150,000 | 5,000 | $0.045 | $45.00 |
Specs
Context window
66K
tokens
Max output
66K
tokens
Input modalities
image, text
Tokenizer
Gemini