Gemini 3.1 Flash Image (Nano Banana 2)
Gemini 3.1 Flash Image (Nano Banana 2) is the generally available flash-tier image generation and editing model in the Gemini 3.1 family, combining Google Image Search grounding, configurable thinking levels, and new video-to-image input with production-ready 1K and 2K output.
Image GenReasoningVision (Image)Web Search
index.ts
import { generateText } from 'ai'
const result = await generateText({ model: 'google/gemini-3.1-flash-image', prompt: 'Render a picture of a red balloon.',});More models by Google
| Model |
|---|
| 1M | 2.3s | 181tps | $1.50/M | $7.50/M | Read:$0.15/M Write:— | $14/K + input costs | +3 |   | 07/21/2026 | |||
| 1M | 1.3s | 497tps | $0.30/M | $2.50/M | Read:$0.03/M Write:— | $14/K + input costs | +3 | | 07/21/2026 | |||
| 1M | 1.8s | 258tps | $1.50/M | $9/M | Read:$0.15/M Write:— | $14/K + input costs | +3 | | 05/19/2026 | |||
| 1M | 0.6s | 244tps | $0.25/M | $1.50/M | Read:$0.03/M Write:— | $14/K + input costs | +3 | | 03/03/2026 | |||
| 1M | 3.1s | 107tps | $2/M | $12/M | Read: $0.2/M Write: — | $14/K + input costs | +3 | | 02/19/2026 | |||
| 1M | 0.7s | 172tps | $0.90/M | $5.40/M | Read: $0.09/M Write: — | $14/K + input costs | +3 | | 12/17/2025 |