#日本語 articles

Claude Japanese Support 2026 | Accuracy, Usage & ChatGPT Comparison

A beginner-friendly guide to Claude's Japanese language support and how it differs from ChatGPT. Claude works in Japanese with no setup required, maintains over 96% of its English-language performance, produces natural keigo and business documents without sounding like a translation, and we break down when it's worth upgrading to the Pro plan ($20/month).