AI Tutor

YouknowmoreJapanese

thanyoucanuse

Vocabulary is the foundation of every sentence you produce. Reading and listening build recognition — but recognition alone does not become output. Gokugoku trains you to produce the words you already know.

Input alone is not enough

Flashcards train recognition, not production. Producing 読む in a sentence requires the reverse path — and that path does not form on its own.

Productive vocabulary directly predicts writing ability. Passive exposure does not. You need to train output explicitly.

Recognition

読む
to read

Production

Structured around your vocabulary

Every word is tracked. Weak words reappear sooner, mastered words fade to spaced review. New vocabulary arrives at your pace.

Each sentence is scored by AI on clarity, accuracy, naturalness, and register — with immediate feedback on what to fix.

Ordering food at a restaurant

Please give me a coffee

A

コーヒーをください

AI Scoring

Meaning
92
Accuracy
78
Naturalness
85
Register
70
Month 1200–400 words
0words
Core productive vocabulary
Month 3N5 mastery
0words
~800 productive words
Month 6N4 range
0words
Multi-clause sentences

What to expect

With consistent daily practice of around 30 exercises, about 15–20 minutes a day, you build real productive vocabulary at a steady pace.

First month: 200–400 productive words. Three months: approaching N5-level mastery. Six months: N4-range, writing multi-clause sentences with appropriate register. These are words you can use — not just recognize.

Ready to start learning Japanese?