Gemini vs Stable Diffusion comparison

Gemini and Stable Diffusion compared side by side in AI.

CurrencyUSD KRW EUR

Gemini

Google's AI assistant. Connects directly to Google services such as Gmail, Drive and YouTube

A leading open-source image generation model you can install and run on your own computer

Highlighted rows are where they differ.

Item	GeminiVisit site	Stable DiffusionVisit site
Starting price	$4.99+Official USD price	FreeNot applicable
Free tier	Free plan available	Free
Korean support	Good	Average
Main models	Gemini 4 Argon Gemini 3.8 Flash Gemini 3.1 Pro Gemini 3 Deep Think Nano Banana 2/Pro (image) Gemini Omni/Veo 3.1 (video)	Stable Diffusion 3.5(Large/Medium/Turbo) Stable Image Ultra/Core(API) SDXL Stable Audio 3.0
Type	AI services	AI services
Category	Chatbot/Assistant, Search, Image Generation	Image Generation, Open Models
Company	Google, United States	Stability AI, United Kingdom
Plans	Free AI Plus $4.99 AI Pro $19.99 AI Ultra $99.99 (5x), $199.99 (20x) Enterprise from $21	Local use free (revenue under $1M) API $0.03 to $0.08 per image Brand Studio $50 Enterprise
Pros	Strong integration with Google services Good with long documents and video (up to 1M context) Can start with the cheap AI Plus ($4.99)	Free and open source Install it yourself for unlimited generation Very many community models
Cons	Fewer advantages outside the Google ecosystem Features are split up in a complicated way across plans	Hard to install and use Needs a good graphics card

Prices and benefits may change. Check the official site before you pay.

Prices converted at 1 USD = ₩1,327.84 (2026-10-20). Original price shown in brackets. Taxes as listed by each provider.