Langid Language Codes and Confidence

Langid Language Codes and Confidence | Generated by AI

Home 2025.08

In langid, the classify(text) function returns a tuple (lang, confidence) where:

lang is a two-letter ISO 639-1 language code (sometimes extended with region codes like zh-cn or zh-tw).
confidence is a float between 0 and 1 indicating how confident the model is.

The set of possible values for lang comes from the languages supported by langid.py. Out of the box, it includes 97 languages. Some common examples:

en → English
zh / zh-cn / zh-tw → Chinese (generic / Simplified / Traditional)
ja → Japanese
ko → Korean
fr → French
de → German
es → Spanish
hi → Hindi
ar → Arabic
ru → Russian

And many others — the full list covers most major world languages (Afrikaans, Bengali, Greek, Hebrew, Italian, Portuguese, Swahili, Thai, Turkish, Vietnamese, etc.).

👉 If you want, I can give you the complete list of all 97 codes supported by langid. Would you like me to output that?

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