AI DIAGNOSIS

AI finder|Which AI fits you?

Just answer four questions and instantly find the AI tools recommended for you. Discover the best generative AI for your use case, budget and language needs.

A. How it works
Pick your answers to the four questions below (use case, budget, Japanese, app), and we instantly surface the best-fit AI for you from feature, free-tier and popularity data. Try it as many times as you like.
① What's your main use case?
② What about pricing?
③ What matters most to you?
④ How will you use it?

AIs recommended for you

1
ChatGPT
OpenAI ・ Top pick
Free tier

OpenAI's AI chat — the default choice, leading the global AI chatbot market share by a wide margin.

Strong at all-round useFree to useStrong at up-to-date info (web search)View data →See alternatives →
2Free tier

Google's AI chat — strong at search and Google-service integration; share is rising fast, especially in Japan.

Strong at all-round useFree to useStrong at up-to-date info (web search)View data →See alternatives →
3
Claude
Anthropic
Free tier

Anthropic's AI chat — praised for long-form writing, coding and careful prose; share is trending up.

Free to useStrong at up-to-date info (web search)View data →See alternatives →

* Results recalculate instantly as you choose. They are a reference based on feature, popularity and pricing data.

Frequently asked questions

How does the AI finder decide?
Based on your use case, budget, emphasis on Japanese support and whether you want a mobile app, we score each AI's feature coverage, free tier and popularity, then show the best matches in order of fit.
Are the results fixed?
No. They are recalculated on the spot whenever you change a selection, so you can try any conditions as many times as you like.

Related pages

Reference values based on public data and editorial research; not a complete count of actual users.