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Practical AI Track 0 · AI from Zero
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AI FROM ZERO · LESSON 7

AI in your own language

Priya’s grandmother speaks Tamil, not English. She wants to ask an AI about her new phone, by voice. Your goal: use AI in your own language, and catch what it gets wrong.

🧪 Interactive lab — enable JavaScript to play with this one.

Ask in your language, then check1 · Speak or typein Tamil, Hindi, Telugu…2 · Read it backnames, numbers, money3 · Read the answermissing steps? odd words?4 · Check key factsin simple English too, or ask a personWeak spots: names, numbers, money and the word “not”
Figure — Ask in your language, then check. Read back what the phone typed. Check the key facts before you act.
Key points
  • Many assistants work in Hindi, Tamil, Telugu, Kannada, Malayalam and other languages. You can often type or talk.
  • Answers are often weaker outside English. They can miss steps or use odd words.
  • Voice typing can mishear names, numbers and amounts. Read it back before you send.
  • AI translation is fine for everyday text. For medicine, law, money or forms, ask a person who knows both languages.
  • A simple habit: ask in your language. Then ask for the key facts in simple English too, and compare.

Why quality can drop

AI learns from huge amounts of text. Most of that text is in English. So answers in other languages are often weaker. A language with little text online is a low-resource language. The drop is often bigger there.

Mixed text is harder too. Hinglish or Tanglish mixes two languages in one sentence. This is code-mixing. Writing in your own script, like Tamil letters, often works better than English letters.

Voice and translation

Voice typing turns your voice into text. This is speech-to-text. It can mishear names, places and numbers. “Fifteen” can become “fifty”. Read it before you press send.

When a computer translates, it is machine translation. It is great for menus, signs and simple messages. But one wrong number or a lost “not” can change the meaning.

Now find every word the phone got wrong.

🧪 Interactive lab — enable JavaScript to play with this one.

Go deeper: tools you can try

As of October 2026, here are some examples, in no order. This is not advice to pick one.

  • Chat: ChatGPT, Gemini, Claude and Meta AI can chat in Hindi. Most of them also work in other Indian languages. Indus, an app from the Indian company Sarvam, was made for Indian languages.
  • Talk: Gemini Live lets you talk in Hindi, Tamil, Telugu, Kannada, Malayalam and more.
  • Voice typing: phone keyboards like Gboard can type what you say in many Indian languages.
  • Translation: Google Translate, Microsoft Translator and the government’s Bhashini app.
  • Open projects: AI4Bharat at IIT Madras shares IndicTrans2, a free translation model for all 22 languages listed in India’s Constitution. In 2026, Sarvam shared open-weight models built with a focus on Indian languages.
Go deeper: what the tests show

AI companies test their models in many languages. As of October 2026, Anthropic shares scores for some of its Claude models. Its small Haiku 4.5 model scored about 92% of its English score in Hindi. In Bengali it scored about 90%. In Yoruba, an African language with much less text online, it scored about 53%. A bigger model from the same family dropped less. So the gap depends on the language and the model.

The same company’s guide says text in its own script works better than transliteration. That means writing Hindi words in English letters, for example.

In November 2025, OpenAI made a test called IndQA. It has questions in 12 Indian languages, including Hinglish. OpenAI said tests like this help find where models still struggle.

Go deeper: translate with care

Ask for simple words: “Translate this into simple Tamil. Keep all numbers as digits.” Then check the names, numbers and dates yourself.

You can also ask a new chat to translate it back into English. This is back-translation. It catches some mistakes, but not all. For a medicine label, a legal paper or an official form, ask a person who knows both languages. Many government websites also have a version in your language.

Go deeper: voice typing tips

Speak in a quiet place, a little slower than normal. Choose your language in the voice settings, if you can. Say long numbers digit by digit, like “nine, eight, four”. Or type numbers and names yourself. Check money amounts twice before you pay.

Your voice is data too. It goes to the company, just like typed words (images, voice and video).

🧪 Try it free

Ask a free assistant one question in your own language. Then ask the same question in simple English. Compare the two answers. Which one has more steps? Do the numbers match?