Google: Nano Banana 2 (Gemini 3.1 Flash Image)

Image input Text input Image output Text output
Author's Description

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...

Key Specifications
Cost
$$$$$
Context
65K
Released
Jun 17, 2026
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Response Format Structured Outputs Include Reasoning Reasoning Temperature Seed Max Tokens Top P
Features

This model supports the following features:

Structured Outputs Reasoning Response Format
Performance Summary

Google's Nano Banana 2 (Gemini 3.1 Flash Image) demonstrates competitive response times, ranking in the 48th percentile for speed across benchmarks. Its pricing is moderate, placing it in the 28th percentile. A standout feature is its exceptional reliability, boasting a 98% success rate, indicating minimal technical failures. The model exhibits perfect accuracy in Hallucinations (Baseline), making it the most accurate and fastest model at its price point for this category. It performs strongly in Instruction Following (83rd percentile accuracy) and Coding (83rd percentile accuracy), with the latter also being highly cost-effective (8th percentile cost). Reasoning also shows strong performance at 78th percentile accuracy. While General Knowledge and Ethics benchmarks show lower percentile rankings for accuracy (38th and 21st respectively), its overall performance across diverse categories is solid. Mathematics and Email Classification also show respectable accuracy. The model's key strengths lie in its hallucination prevention, instruction following, and coding capabilities, coupled with its high reliability. Its primary area for potential improvement appears to be in the breadth and depth of its general knowledge and ethical reasoning, where it ranks lower compared to other models.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $0.5
Completion $3
Web Search $14000

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Google AI Studio
Google AI Studio | google/gemini-3.1-flash-image-20260528 65K $0.5 / 1M tokens $3 / 1M tokens
Google
Google | google/gemini-3.1-flash-image-20260528 131K $0.5 / 1M tokens $3 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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