Japanese Business Email Politeness Rewrite

Can the agent make Japanese business email polite and natural without changing facts?

日本語Writingunnatural_japanese

Agent prompt summary

Rewrite a direct Japanese follow-up email into concise business Japanese.

Rubric summary

Must preserve the same deadline and meeting context while avoiding over-humble or blunt language.

Task leaderboard

OpenAI Main850% critical
Claude Main850% critical
Gemini Main800% critical
Qwen Main800% critical
Grok Main7933% critical
DeepSeek Main770% critical

Common failure tags

weak_ctaliteral_translationunnatural_japaneseunsupported_claimunsafe_refund_promisemissing_field