Skip to content
Google

Gemini 3.1 Flash Image Preview (Nano Banana 2)

Gemini 3.1 Flash Image Preview (Nano Banana 2) Preview (Nano Banana 2) improves visual output quality at flash-tier speed, adding Google Image Search grounding, configurable thinking levels, and new resolution and aspect ratio options including 512p and ultra-wide formats.

Image GenImplicit CachingReasoningVision (Image)Web Search
index.ts
import { generateText } from 'ai'


const result = await generateText({
  model: 'google/gemini-3.1-flash-image-preview',
  prompt: 'Render a picture of a red balloon.',
});
OverviewAboutProvidersThroughputLatencyUptimeStatusSimilarFAQ

Providers

Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

Provider
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Release Date
Going away Jul 17, 2026
Google
Legal:Terms
•
Privacy
$0.50/M
$3/M
$0.04/img+4 more
Read:$0.05/M
Write:—
$14/K
+ input costs
+2
02/26/2026
Going away Jul 17, 2026
Google Vertex AI
Legal:Terms
•
Privacy
$0.50/M
$3/M
$0.04/img+4 more
Read:$0.05/M
Write:—
$14/K
+ input costs
+1
02/26/2026