Gemini 2.5 Flash Image Preview (Nano Banana) Model Specs, Costs & Benchmarks (October 2025)

Gemini 2.5 Flash Image Preview (Nano Banana), developed by Google, features a context window of 32.8K tokens. The model costs $0.30 per million tokens for input and $2.50 per million tokens for output. It was released on August 26, 2025, and has achieved impressive scores in various benchmarks.

Access Gemini 2.5 Flash Image Preview (Nano Banana) & 210+ other AI models all in one platformTry Galaxy.ai for free

Overview

	Gemini 2.5 Flash Image Preview (Nano Banana)
Model Provider The organization behind this AI's development	Google
Input Context Window Maximum input tokens this model can process at once	32.8K tokens
Output Token Limit Maximum output tokens this model can generate at once	8.2K tokens
Release Date When this model first became publicly available	August 26, 2025 1 month ago August 26th, 2025

Pricing

	Gemini 2.5 Flash Image Preview (Nano Banana)
Input Token Cost Cost per million input tokens	$0.30 per million tokens
Output Token Cost Cost per million output tokens	$2.50 per million tokens

Capabilities & Features

	Gemini 2.5 Flash Image Preview (Nano Banana)
Input Types Supported input formats	imagetext
Output Types Supported output formats	imagetext
Tokenizer Text encoding system	Gemini
Key Features Advanced capabilities	✓ Structured Output

Benchmarks

	Gemini 2.5 Flash Image Preview (Nano Banana)
MMLU Measures knowledge across 57 subjects like law, math, history, and science	Not available
MMMU Measures understanding of combined text and images across various domains	Not available
HellaSwag Measures common sense reasoning by having models complete sentences about everyday situations	Not available