PLaMo翻訳
AI TranslationA Japanese-specialized AI translation service developed by Preferred Networks. Combines high-quality translation with security through local execution, powered by a domestically-built LLM.
What is PLaMo翻訳?
PLaMo Translate is a Japanese-specialized AI translation service developed by Preferred Networks (PFN). Built on the domestically-developed large language model 'PLaMo,' it leverages deep Japanese language understanding to deliver natural, high-quality translations. It can be used flexibly through a web app, browser extensions (Chrome & Firefox), or local environment (CLI-compatible). Its local execution capability means confidential documents can be translated without being sent to external servers, making it ideal for security-conscious enterprises. It supports translation that preserves original layout and indentation, and handles structured text formats such as Markdown and JSON. For file translation, it supports Word, PowerPoint, PDF, TXT, and other formats. Its technical excellence was recognized with the Grand Prize at the 2025 Nikkei Superior Products and Services Awards.
Pricing Plans
Key Features
Pros & Cons
Pros
- ●Exceptionally high Japanese translation quality powered by a domestic LLM
- ●Local execution support ensures safety for confidential documents
- ●Browser extension for in-page web translation
- ●Layout and indentation-preserving translation
- ●Free plan available to try
Cons
- ●Supported languages are primarily Japanese-English
- ●Free plan has usage limits
- ●Less well-known compared to DeepL
- ●GPU environment required for local execution
Frequently Asked Questions
Q. Can I use PLaMo Translate for free?
A. Yes, you can use basic translation features for free with the Free plan. For higher character limits and file translation, the Lite plan (¥1,078/month) is recommended.
Q. How does it differ from DeepL?
A. PLaMo Translate is built on the domestic LLM 'PLaMo' and has strong Japanese comprehension, excelling particularly in Japanese-English translation quality. Its local execution capability also ensures security for confidential document translation, a major differentiator from DeepL.
Q. Can it be used in a local environment?
A. Yes, you can run translations in a local environment using the CLI tool. Since data is not sent to external servers, it is ideal for enterprises handling confidential documents. However, a GPU environment is required for local execution.
Related Tools
DeepL
A high-accuracy AI translation tool from Germany. Its Japanese-English translation quality is widely regarded as superior to Google Translate.
Google翻訳
The world's largest translation service by Google. Supports 133 languages with free AI-powered translation for text, voice, images, and documents.
みらい翻訳
An enterprise AI translation service developed by the NTT Group. Achieves TOEIC 960-level accuracy with robust security, ideal for business document translation.
Papago
An AI translation app developed by NAVER. Supports text, voice, and image translation with industry-leading accuracy for Korean-Japanese and Korean-English pairs.
Reverso
An AI tool integrating translation and language learning. Provides contextual translation examples and synonym suggestions, with particular strength in European languages.
SYSTRAN Translate
A veteran AI translation tool with over 50 years of history. Offers high-accuracy neural translation in 55 languages with industry-specific customization.