Fresh paint, wet floors β€” we're rebuilding CostOfToken into a cross-provider price comparison. Some corners are still under construction; the full version is coming up soon.

Gemini 3.1 Flash Image (Nano Banana 2) 🍌 pricing

Gemini 3.1 Flash Image, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. Gemini 3.1 Flash Image (Nano Banana 2) 🍌 from Google costs $0.500 per 1M input tokens and $3.00 per 1M output tokens. Context window 131,072 tokens.

API id gemini-3.1-flash-image Β· Google Β· source Β· updated 2026-09-25 Β· image generation

This is an image generation model. Its pricing is not comparable to chat models, and it is excluded from the site's cheapest-model rankings for that reason.

$0.500
Input / 1M tokens
$3.00
Output / 1M tokens
β€”
Cached input / 1M
131K
Context window

Gemini 3.1 Flash Image (Nano Banana 2) 🍌 specifications

Provider
Google
API id
gemini-3.1-flash-image
Model type
image generation
Context window
131K tokens
Max output
33K tokens
Currency
USD
Price source
First-party
Last checked
2026-09-25

Tags

  • fast
  • vision

Gemini 3.1 Flash Image (Nano Banana 2) 🍌 across providers

The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.

ProviderInput /1MCached /1MOutput /1M1M in + 1M outvs vendor
GoogleVendorCheapestviewing
$0.500β€”$3.00$3.50β€”
$0.500β€”$3.00$3.50β€”

What Gemini 3.1 Flash Image (Nano Banana 2) 🍌 costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0020
Document summary50,0002,000$0.03
1M tokens in, 200K out1,000,000200,000$1.10

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does Gemini 3.1 Flash Image (Nano Banana 2) 🍌 cost per 1M tokens?
Gemini 3.1 Flash Image (Nano Banana 2) 🍌 costs $0.500 per 1M input tokens and $3.00 per 1M output tokens on the standard tier.
What is Gemini 3.1 Flash Image (Nano Banana 2) 🍌's context window?
Gemini 3.1 Flash Image (Nano Banana 2) 🍌 accepts up to 131,072 tokens in a single request, and can return up to 32,768 output tokens.
Is there a cheaper Gemini model than Gemini 3.1 Flash Image (Nano Banana 2) 🍌?
Yes. Gemini Embedding 2 is $0.200 per 1M input tokens versus $0.500 for Gemini 3.1 Flash Image (Nano Banana 2) 🍌.
Where does this Gemini 3.1 Flash Image (Nano Banana 2) 🍌 price come from?
Directly from Google's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.

Head-to-head comparisons

Other Gemini models

See all Gemini pricing β†’