Koboshi

The Koboshi blog

Notes on memory and languages.

How vocabulary sticks, how multilingual minds connect their languages, and how to make the words you meet stay.

How to October 16, 2026 · 6 min read

Connect Koboshi from its Settings

Open Settings, press the button for your app, and approve. Then say "save this word to Koboshi" in any chat.
Story August 17, 2026 · 4 min read

Why I built Koboshi

I kept losing words I had already looked up, and this is the app I built to retain them.
Research October 7, 2026 · 10 min read

How are people using AI chats to learn languages in 2026?

Learners talk to AI in the car and on dog walks. Here is what helps them, and where the words go afterwards.
How to October 7, 2026 · 2 min read

Connect Koboshi to Claude Code, Codex and Gemini CLI

One or two commands in a terminal. Then say "save this word to Koboshi" while you work.
How to October 7, 2026 · 3 min read

Study in ChatGPT, learn in Koboshi

Talk with the AI you like. Say "save it to Koboshi", and the word comes back in your quiz.
How to October 4, 2026 · 5 min read

You can now learn Hindi, Urdu, and Bengali from English Roman letters

Type mohabbat or muhabbat. Type bhalo or bhaalo. Both count.
How to October 4, 2026 · 4 min read

How to bring (import) your Anki words into Koboshi

Export your deck from Anki as Notes in Plain Text, then import the file in Koboshi's Settings.
Research June 1, 2026 · 6 min read

Why you understand Spanish but can't speak it

Recognizing a word and producing it are two different skills. Here is what the research actually says about the gap, and how to train it.
How to October 7, 2026 · 4 min read

Add Koboshi to ChatGPT or Claude by its address

The address route, step by step, and the fixes for a connection that does not work.

Reading is good. Remembering is better.

Turn the words you meet into words you keep.