⚡ Generative AI in Japan

Generative artificial intelligence (Generative AI, GenAI) tools are software solutions that use large language models (LLMs) and other machine learning algorithms to create new digital content, including text, images, audio, video, and computer code.

Japan is an East Asian country with a population of around 125 million people.

According to our research, generative AI tools are detected on 0.1% of websites from Japan.

⭐ Most Popular in 2026

The following chart shows the top generative AI tools on websites in Japan in 2026, based on market share.

The most popular is ChatGPT, which dominates the market with an overwhelming 89.1% share.
It is followed by Stable Diffusion with 3.8% and Midjourney with 2.4%.

ChatGPT 89.1%
Stable Diffusion 3.8%
Midjourney 2.4%
Adobe Express 2.4%
Synthesia 1.9%
ElevenLabs 0.9%
DALL-E 0.5%
HeyGen 0.5%
Grammarly 0.5%

🚀 Highlights

Here is a list of the top tools that are more popular in Japan than worldwide.
Differences between global and country rankings are shown in parentheses.

2. Stable Diffusion ^(-9)
3. Midjourney ^(-1)
4. Adobe Express ^(-4)
6. ElevenLabs ^(-3)
7. DALL-E ^(-3)

✨ Best Generative AI Tools

Below is a more detailed list of 9 generative AI tools used on sites from Japan, ranked by their market share.

Rank	Name	Market share
1	ChatGPT San Francisco, California, United States A generative AI chatbot and virtual assistant developed by OpenAI that uses large language models to understand and generate human-like text in response to user prompts. Free$8+/month	89.1%
2	Stable Diffusion London, United Kingdom An open-source, generative AI text-to-image model that generates photorealistic and artistic images from natural language prompts using latent diffusion techniques. FreeOpen source$$$	3.8%
3	Midjourney San Francisco, California, United States A generative AI service that creates images and short videos from natural language descriptions. $10+/month	2.4%
4	Adobe Express San Jose, California, United States An AI content creation app for making social posts, images, videos, flyers, and more. Free$11.99+/month	2.4%
5	Synthesia London, United Kingdom A generative AI video creation platform that converts text, documents, and other inputs into videos with lifelike digital avatars and voiceovers. Free$29+/month	1.9%
6	ElevenLabs New York, United States An AI audio platform specializing in natural-sounding speech synthesis, text-to-speech, speech-to-text, voice generation, conversational AI, and automated dubbing. Free$5+/month	0.9%
7	DALL-E San Francisco, California, United States A generative AI tool developed by OpenAI to generate images from text prompts. $0.04+/image	0.5%
8	HeyGen Los Angeles, California, United States An AI video generation platform that creates synthetic videos with lifelike avatars from text, images, or audio inputs. Free$29+/month	0.5%
9	Grammarly San Francisco, California, United States An online grammar checker and AI writing assistant that helps users improve written communication by analyzing text for grammar, spelling, clarity, tone, and style issues. Free$12+/month	0.5%

👉 See Also

🌎 Generative AI in other countries

Data is based on the analysis of 157,205 websites from Japan.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.