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 GenWeb SearchReasoningVision (Image)
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.',});More models by Google
| Model |
|---|
| 1M | 4.0s | 265tps | $1.50/M | $9.00/M | Read:$0.15/M Write:— | $14.00/K + input costs | — | +4 |   | 05/19/2026 | |||
| 1M | 1.0s | 200tps | $0.25/M | $1.50/M | Read:$0.03/M Write:— | $14.00/K + input costs | — | +4 | | 03/03/2026 | |||
| 1M | 6.2s | 116tps | $2.00/M | $12.00/M | Read: $0.2/M Write: — | $14.00/K + input costs | — | +4 | | 02/19/2026 | |||
| 1M | 0.8s | 161tps | $0.50/M | $3.00/M | Read: $0.05/M Write: — | $14.00/K + input costs | — | +4 | | 12/17/2025 | |||
| 1M | 0.4s | 249tps | $0.10/M | $0.40/M | Read:$0.01/M Write:— | $35.00/K + input costs | — | +4 | | 06/17/2025 | |||
| 1M | 1.9s | 107tps | $1.25/M | $10.00/M | Read: $0.13/M Write: — | $35.00/K + input costs | — | +4 | | 03/20/2025 |