// google

Nano Banana (Gemini 2.5 Flash Image)

google/gemini-2.5-flash-image

image inputprompt caching
OpenRouter + LiveBenchAll modelsFull leaderboard

Nano Banana (Gemini 2.5 Flash Image) costs $0.300 per 1M input tokens and $2.50 per 1M output tokens with a 33K-token context window.

A model from google, released Oct 7, 2025. LiveBench hasn't published a run for it, so this page carries measured price and specs only — no benchmark numbers.

Input / 1M
$0.300
Output / 1M
$2.50
Context
33K
LiveBench overall
Not evaluated

Specs and pricing

Input price

USD per 1M prompt tokens

$0.300
Output price

USD per 1M completion tokens, reasoning included

$2.50
Blended price

3:1 input:output — #153 most expensive of 343 listed models

$0.850
Cached input read

Blank means not priced separately — not free

$0.030
Cache write$0.083
Context window32,768 tokens
Max output8,192 tokens
Input modalitiesimage, text
Tool callingNo
Extended reasoningNo
Knowledge cutoff2025-01-31
ListedOct 7, 2025
All Google API pricing

What Nano Banana (Gemini 2.5 Flash 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

$252.56/mo
RAG assistant

8K in / 600 out × 100K requests

$282.00/mo
Coding agent

40K in / 4K out × 20K requests

$288.80/mo
Document extraction

20K in / 1.5K out × 50K requests

$474.00/mo
Bulk classification

500 in / 20 out × 5M requests

$865.00/mo
Price your own workload

Compare Nano Banana (Gemini 2.5 Flash Image) with

Benchmarked models at a similar price.

Nano Banana (Gemini 2.5 Flash Image) FAQ

How much does Nano Banana (Gemini 2.5 Flash Image) cost?

Nano Banana (Gemini 2.5 Flash Image) lists at $0.300 per 1M input tokens and $2.50 per 1M output tokens, with cached input reads at $0.030 per 1M. A RAG assistant handling 100K requests a month (8K tokens in, 600 out) comes to about $282.00 at list price.

What is the context window of Nano Banana (Gemini 2.5 Flash Image)?

Nano Banana (Gemini 2.5 Flash Image) accepts up to 32,768 tokens of context and can return up to 8,192 output tokens per response.

Does Nano Banana (Gemini 2.5 Flash Image) support tool calling?

Nano Banana (Gemini 2.5 Flash Image) does not list tool (function) calling support. It accepts image, text input.

How does Nano Banana (Gemini 2.5 Flash Image) score on benchmarks?

LiveBench has not published a run for Nano Banana (Gemini 2.5 Flash 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 (Gemini 2.5 Flash Image)?

On OpenRouter the model ID is "google/gemini-2.5-flash-image". It was listed on Oct 7, 2025.

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.