Google

Nano Banana 2 (Gemini 3.1 Flash Image)

google/gemini-3.1-flash-image

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Specification

Published by the vendor; the platform bills at the target's declared price.

Nano Banana 2 (Gemini 3.1 Flash Image)

reasoning

Google google/gemini-3.1-flash-image

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. It combines advanced...

Input $/1M: $0.50
Output $/1M: $3.00
Context: 131K
Max output: 33K
Released: Jun 18, 2026
Modalities: imagetextimage out

On this deployment

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targets.yamlyaml

# targets.yaml - declare a target that runs Nano Banana 2 (Gemini 3.1 Flash Image)
targets:
  - id: gemini-3-1-flash-image
    kind: llm
    name: Nano Banana 2 (Gemini 3.1 Flash Image)
    metadata:
      model: google/gemini-3.1-flash-image          # links the target to this catalogue entry
    capabilities:
      domains: [general]
      supports_tools: false
      context_window: 131072
    cost:
      usd_per_1k_tokens: 0.001750

Price among Google models

Input list price per million tokens; Nano Banana 2 (Gemini 3.1 Flash Image) is the 7th cheapest of 13 listed.

1
Gemini 3.5 Flash Lite (batch)
$0.15
2
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
$0.25
3
Gemini 3.5 Flash Lite
$0.30
4
Gemini 3.8 Flash (batch)
$0.38
5
Gemini 3.7 Flash (batch)
$0.38
6
Gemini 3.6 Flash (batch)
$0.38
7
Nano Banana 2 (Gemini 3.1 Flash Image)
$0.50
8
Gemini 3.8 Flash
$0.75
9
Gemini 3.7 Flash
$0.75
10
Gemini 3.6 Flash
$0.75
11
Gemini 3.5 Flash (batch)
$0.75
12
Gemini 3.5 Flash
$1.50

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