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Nano Banana 2 (Gemini 3.1 Flash Image Preview)

GoogleFirst listed Jul 2026
VisionReasoningStructured outputWeb search
Compare Nano Banana 2 (Gemini 3.1 Flash Image Preview)Count tokens for Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Context
66K
Max output
59K
Serving providers
2
Cheapest input
$0.50 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
OpenRouterRouted quote$0.50$3.001
Standardgoogle/gemini-3.1-flash-image-preview
ComponentUnitStandard
Text input/1M tok$0.50
Text output/1M tok$3.00
VercelRouted quoteVercel reseller quote$0.50$3.001
Vercel (flex)Vercel reseller quote$0.25$1.501

Price history

OpenRouter routed quote

OpenRouter's price is a routed quote. It moves with whichever upstream route OpenRouter prefers that day, so we do not track it as a price history.

Cost calculator

estimate your monthly spend on this model
$340
estimated / month

Model IDs

copy the exact identifier for your platform
google/gemini-3.1-flash-image-previewgoogle/gemini-3.1-flash-image-previewgoogle/gemini-3.1-flash-image-preview

Frequently asked questions

Nano Banana 2 (Gemini 3.1 Flash Image Preview) pricing, context and availability

How much does Nano Banana 2 (Gemini 3.1 Flash Image Preview) cost?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs $0.50 per 1M input tokens as an OpenRouter routed quote, and $3.00 per 1M output tokens as an OpenRouter routed quote. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.

What is the context window of Nano Banana 2 (Gemini 3.1 Flash Image Preview)?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) accepts up to 66K tokens of context and can return up to 59K output tokens.

Which providers serve Nano Banana 2 (Gemini 3.1 Flash Image Preview)?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is available from 2 serving providers, each with its own pricing and model ID. OpenRouter is currently the cheapest, as a routed quote.

What can Nano Banana 2 (Gemini 3.1 Flash Image Preview) do?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) supports image input (vision), reasoning, structured output and web search.

Other Google models

compare pricing across the Google lineup
Gemma 4 31B$0.09/1M · 13 providersGemma 4 26B A4B $0.07/1M · 10 providersGemma 3 27B$0.08/1M · 8 providersGemini 2.5 Flash$0.15/1M · 8 providersGemini 3.7 Flash$0.75/1M · 7 providersGemini 2.5 Pro$1.25/1M · 7 providersGemini 3.5 Flash$1.50/1M · 7 providersGemini 3.1 Flash Lite$0.25/1M · 6 providers
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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