Atlas / Models / Google / Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)✓ Catalog verified

google/gemini-3.1-flash-lite-image

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is Google's fastest, most cost-efficient Gemini image model, built for high-velocity developer pipelines and rapid-fire visual exploration. It delivers text-to-image generation...

Input price
$0.25 /1M
Output price
$1.50 /1M
Context
66K
Modalities
imagetext
Released
Jun 30, 2026
Tool calling
Atlas signal
81/100
01

Overview

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is Google's fastest, most cost-efficient Gemini image model, built for high-velocity developer pipelines and rapid-fire visual exploration. It delivers text-to-image generation...

Access: available through the official Google API. Context window: 66K.

Pricing and metadata from the ModelsAtlas catalog.Last refreshed Aug 6, 2026
02

Specifications

API identifiergoogle/gemini-3.1-flash-lite-image
ProviderGoogle
Model typeMultimodal LLM
Context window66K catalog
Input modalitiesimage · text
Output modalitiesimage · text
ReleasedJun 30, 2026
TokenizerGemini
ModeratedNo
Architecture modalitytext+image->text+image
Supported parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedtemperaturetop_p
Source: provider documentation + catalog feedMethodology →
03

Pricing

Live pricing components for google/gemini-3.1-flash-lite-image as published in the catalog.

$0.25
Input /1M
$1.50
Output /1M
Per request
Per image
Pricing componentRaw unit priceNormalizedUnit
Prompt tokens$2.5e-7$0.25 / 1MPer input token
Completion tokens$0.0000015$1.50 / 1MPer output token
Request feeN/AN/APer request
Image feeN/AN/APer image unit
Web search fee$0.014$0.014000Per search request
Source: catalog pricing feedCompare all pricing →Cheapest models →
04

Cost calculator

Estimate monthly spend from your own token volumes.

Scale / Volume

Estimated Total Cost

$0.43Calculated from current list pricing in the ModelsAtlas catalog.
05

Capabilities

CapabilityStatusWhat it means
Visual Understanding✓ SupportedImage and document analysis support
Audio ProcessingNot advertisedSpeech and voice aligned flows
Tool CallingNot advertisedSupports tools / function calling
Self-HostingNot advertisedDeploy outside managed APIs
Derived from catalog capability tags and supported parameters
06

Capability signals

Directional signals derived from model metadata and capability tags — not official benchmark submissions.

Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
MMLU Signal (Reasoning)
86signal
Coding Signal (HumanEval proxy)
87signal
Math Signal (GSM8K proxy)
78signal
Science Signal (GPQA proxy)
74signal
Estimated from metadata — not an official benchmark runAll benchmarks →Methodology →
07

Quick start

Call Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) through an OpenAI-compatible client.

from openai import OpenAI

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="google/gemini-3.1-flash-lite-image",
    messages=[{"role": "user", "content": "Explain quantum physics."}]
)

print(response.choices[0].message.content)
08

Alternatives

Closest models by context window from a different provider.

09

Sources & attribution

Pricing and metadata are maintained in the ModelsAtlas catalog.

Capability bars use metadata tags — directional estimates onlyHow we source and verify data →
10

Frequently asked questions

How much does Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) cost?

$0.25 per 1M input tokens and $1.50 per 1M output tokens on the official Google API.

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

Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) supports up to 66K tokens of context.

Does Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) support tool / function calling?

Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) does not advertise first-class tool/function calling. Check vendor docs for the latest capabilities.

How do I access Google: Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?

Use the official Google API with the model id `google/gemini-3.1-flash-lite-image`. See the Quick start section above for code examples.