// google

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

google/gemini-3.1-flash-lite-image

reasoningimage input
OpenRouter + LiveBenchAll modelsFull leaderboard

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs $0.250 per 1M input tokens and $1.50 per 1M output tokens with a 66K-token context window.

A reasoning model from google, released Jun 30, 2026. LiveBench hasn't published a run for it, so this page carries measured price and specs only — no benchmark numbers.

Input / 1M
$0.250
Output / 1M
$1.50
Context
66K
LiveBench overall
Not evaluated

Specs and pricing

Input price

USD per 1M prompt tokens

$0.250
Output price

USD per 1M completion tokens, reasoning included

$1.50
Blended price

3:1 input:output — #152 cheapest of 343 listed models

$0.563
Cached input read

Blank means not priced separately — not free

Cache write
Context window65,536 tokens
Max output58,982 tokens
Input modalitiesimage, text
Tool callingNo
Extended reasoningYes
Knowledge cutoff2025-01-01
ListedJun 30, 2026
All Google API pricing

What Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs to run

Monthly list cost across five workload shapes, using the published cached-input rate where there is one. A floor, not a quote — batch discounts and cache writes aren't included.

WorkloadPer month
Support chatbot

1.2K in / 400 out × 200K requests

$180.00/mo
RAG assistant

8K in / 600 out × 100K requests

$290.00/mo
Coding agent

40K in / 4K out × 20K requests

$320.00/mo
Document extraction

20K in / 1.5K out × 50K requests

$362.50/mo
Bulk classification

500 in / 20 out × 5M requests

$775.00/mo
Price your own workload

Compare Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) with

Benchmarked models at a similar price.

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) FAQ

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

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) lists at $0.250 per 1M input tokens and $1.50 per 1M output tokens. A RAG assistant handling 100K requests a month (8K tokens in, 600 out) comes to about $290.00 at list price.

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

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) accepts up to 65,536 tokens of context and can return up to 58,982 output tokens per response.

Does Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) support tool calling?

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) does not list tool (function) calling support and exposes extended reasoning. It accepts image, text input.

How does Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) score on benchmarks?

LiveBench has not published a run for Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) yet. Until it does, compare it on price and specs, or run your own evaluation on your own tasks.

What is the API model ID for Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?

On OpenRouter the model ID is "google/gemini-3.1-flash-lite-image". It was listed on Jun 30, 2026.

More from google

How these numbers are produced

  • Price and specs — provider list data from OpenRouter, refreshed every 15 minutes. “Blended” is a 3:1 input:output mix.
  • Scores and ranksLiveBench release 2026-06-25. Ranks count only models that have a published run; a blank means “not evaluated”, never “bad”.
  • Cost per point — the measured dollars LiveBench spent on the run, divided by the score it earned.

Published benchmarks rank models on someone else's tasks. Before committing, see LLM & agent evaluation for building an eval on your own.