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 GenImplicit CachingReasoningVision (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 | 2.6s | 178tps | $1.50/M | $9.00/M | Read:$0.15/M Write:— | $14.00/K + input costs | — | +4 |   | 05/19/2026 | |||
| 1M | 0.5s | 230tps | $0.25/M | $1.50/M | Read:$0.03/M Write:— | $14.00/K + input costs | — | +4 | | 03/03/2026 | |||
| 1M | 4.3s | 102tps | $2.00/M | $12.00/M | Read: $0.2/M Write: — | $14.00/K + input costs | — | +4 | | 02/19/2026 | |||
| 1M | 0.8s | 163tps | $0.50/M | $3.00/M | Read: $0.05/M Write: — | $14.00/K + input costs | — | +4 | | 12/17/2025 | |||
| 1M | 0.5s | 237tps | $0.10/M | $0.40/M | Read:$0.01/M Write:— | $35.00/K + input costs | — | +4 | | 06/17/2025 | |||
| 1M | 0.4s | 190tps | $0.30/M | $2.50/M | Read:$0.03/M Write:— | $35.00/K + input costs | — | +4 | | 03/20/2025 |