ChatGPT
The most widely adopted general-purpose conversational AI. A versatile all-rounder that handles writing, advice, image generation, and data analysis.
Outstanding all-around strength thanks to broad coverage, natural Japanese, and a rich ecosystem. Highly rated as the go-to to try first when in doubt.
| Category | Chat & Assistants |
|---|---|
| Pricing | Free / Plus from $20/month |
| Japanese support | β |
| Maker | OpenAI |
What it does: Broadly handles writing, summarization, and translation, brainstorming, programming, image generation, and even reading files and analyzing data. The benchmark pick to start with when in doubt.
Who it's for: People touching AI for the first time and those who want to try anything without a fixed purpose.
Strengths: Natural Japanese, and quite usable even on the free plan. The mobile app's voice chat is smooth too.
Watch-outs: It produces factual errors (hallucinations) in specialized fields and on the latest information. Always verify for important uses.
* Pricing and features change; check the official site for the latest, accurate details. β ratings and "our verdict" are the editorial team's subjective opinion.