August 14, 2025

ChatGPT’s Language Capabilities: Full Guide for 2025

If you have ever wondered how far ChatGPT can go when speaking your language, you are not alone. Many people and businesses are exploring its potential to break communication barriers. We will walk through everything you need to know and show you how to get the most from it, with some smart tips on when to pair it with MachineTranslation.com for even better results.

How many languages does ChatGPT support in 2025?

In 2025, ChatGPT is reported to be able to support 95 languages. The quality of these translations really depends.

You will notice that high-resource languages such as English, Spanish, and French tend to perform the best. In contrast, low-resource languages might get a workable translation but lack depth or nuance. This difference can matter if you are aiming for accurate translations in sensitive content.

When you need confirmation, you can run your target language through an AI translation test on MachineTranslation.com. This way, you get clear comparisons between ChatGPT and other tools. It is a simple step that can save you from mistakes in your professional translations.

Read more: Translating with GPT-4

List of languages supported by ChatGPT

  • Albanian

  • Arabic

  • Armenian

  • Awadhi

  • Azerbaijani

  • Bashkir

  • Basque

  • Belarusian

  • Bengali

  • Bhojpuri

  • Bosnian

  • Brazilian Portuguese

  • Bulgarian

  • Cantonese (Yue)

  • Catalan

  • Chhattisgarhi

  • Chinese

  • Croatian

  • Czech

  • Danish

  • Dogri

  • Dutch

  • English

  • Estonian

  • Faroese

  • Finnish

  • French

  • Galician

  • Georgian

  • German

  • Greek

  • Gujarati

  • Haryanvi

  • Hindi

  • Hungarian

  • Icelandic

  • Indonesian

  • Irish

  • Italian

  • Japanese

  • Javanese

  • Kannada

  • Kashmiri

  • Kazakh

  • Konkani

  • Korean

  • Kyrgyz

  • Latvian

  • Lithuanian

  • Macedonian

  • Maithili

  • Malay

  • Maltese

  • Mandarin Chinese

  • Marathi

  • Marwari

  • Min Nan

  • Moldovan

  • Mongolian

  • Montenegrin

  • Nepali

  • Norwegian

  • Oriya

  • Pashto

  • Persian (Farsi)

  • Polish

  • Portuguese

  • Punjabi

  • Rajasthani

  • Romanian

  • Russian

  • Sanskrit

  • Santali

  • Serbian

  • Sindhi

  • Sinhala

  • Slovak

  • Slovene

  • Slovenian

  • Spanish

  • Swahili

  • Swedish

  • Tagalog

  • Tajik

  • Tamil

  • Tatar

  • Telugu

  • Thai

  • Turkish

  • Turkmen

  • Ukrainian

  • Urdu

  • Uzbek

  • Vietnamese

  • Welsh

  • Wu

How ChatGPT learns and uses languages

ChatGPT learns languages from massive text datasets collected across the internet. These include books, websites, news articles, and user conversations. This training teaches its vocabulary, grammar, and patterns for many languages.

However, the quality of training data for each language is not the same. English has far more high-quality data than less common languages, which affects fluency. That is why your AI translation agent may sound smooth in one language but clumsy in another.

Using MachineTranslation.com, you can spot these differences easily. For example, you can input the same sentence in multiple languages and see side-by-side outputs. This helps you choose the right approach for each target language.

Read more: How GPT‑5 Powers the Next Era of Multilingual Content Creation

ChatGPT translation assessment: Canadian French, Japanese, and Latin American Spanish

We conducted our own research and tested ChatGPT. We examined how ChatGPT translates English to Canadian French, Japanese, and Latin American Spanish. The results highlight differences in grammar, contextual accuracy, and naturalness, showing where the model performs best and where improvements are needed.

Canadian French

The Canadian French translation achieved an Overall Accuracy of 9.5/10, with Contextual Accuracy at 9.4/10. Technical terms such as apprentissage automatique and RGPD were handled correctly, ensuring clarity in professional contexts. However, the naturalness scored slightly lower at 9.3/10, as some phrases came across as overly formal.


On the grammar side, it performed very well with a 9.7/10, making the text precise and professional. This shows that while structure and meaning were preserved almost flawlessly, the tone could be made more conversational. Improving idiomatic phrasing would help make the translation feel more authentic to native Canadian French readers.

Japanese

The Japanese translation earned an Overall Accuracy of 9.3/10, with Contextual Accuracy at 9.2/10. It successfully conveyed the key points about marketing tools like Google Analytics and SEMrush. Still, its Naturalness rating of 9.1/10 indicates that certain parts feel too literal rather than business-idiomatic.


Grammar quality was strong at 9.6/10, showing clean sentence construction and readability. Despite this, the slightly stiff tone limits how persuasive the text would sound in a real marketing context. More idiomatic Japanese business expressions could raise its naturalness closer to the Spanish and French outputs.

Latin American Spanish

The Latin American Spanish translation performed the best overall, with an Overall Accuracy of 9.5/10 and Contextual Accuracy of 9.6/10. It uses idiomatic expressions such as rendimiento de las campañas and participación del usuario, which feel natural to native speakers. This also gave it the highest Naturalness score of 9.5/10, making it highly effective in real-world use.


Grammar was nearly flawless, achieving 9.7/10, and the text flows smoothly without awkward phrasing. The professional yet approachable tone makes this translation stand out compared to the others. It demonstrates how AI translations can be both precise and stylistically aligned with regional norms.


5 key limitations of ChatGPT translations

While ChatGPT delivers strong results in many translation tasks, it is not without its shortcomings. Understanding these limitations is essential for deciding when AI translation is sufficient and when professional human input is still necessary:

  1. Inconsistent Accuracy Across Languages – High-resource languages (English, Spanish, French) perform much better than low-resource ones, where translations may lack nuance or accuracy.

  2. Literal or Stiff Phrasing – ChatGPT sometimes translates word-for-word, producing text that is grammatically correct but unnatural or less idiomatic in the target language.

  3. Contextual Misinterpretation – Without clear context, ChatGPT may misinterpret technical, legal, or cultural nuances, leading to mistranslations in sensitive content.

  4. Limited Domain-Specific Expertise – While good with general topics, it struggles with highly specialized fields like legal, medical, or scientific translation, where precise terminology is critical.

  5. Confidentiality Concerns – Unlike professional translation platforms with strict security measures, ChatGPT translations may not guarantee compliance with data protection or confidentiality requirements.

Future of ChatGPT’s language capabilities

AI language technology is improving fast, and ChatGPT will likely expand its list of supported languages, especially with the launch of GPT-5. We may see better accuracy for low-resource languages as new data becomes available. Real-time voice translation could also become a standard feature.

As capabilities grow, comparison platforms like MachineTranslation.com will remain essential. They help track accuracy over time and show how ChatGPT stacks up against other engines. This transparency keeps you informed about which tool is best for each situation.

If you want to stay ahead, keep testing new features as they launch. Being an early adopter means you can find opportunities before competitors. The key is knowing when AI is good enough and when you still need a human touch.

Conclusion

ChatGPT is a powerful multilingual tool, but like any technology, it has strengths and limits. It delivers excellent results in some languages and basic but workable translations in others. Knowing these differences helps you use them wisely.

Unlock the full power of AI translation by subscribing today at MachineTranslation.com, where you can compare ChatGPT with other top LLMs like Claude AI, DeepSeek, and Grok AI in one place. Get smarter, faster, and more reliable translations with side-by-side insights designed to help you choose the best tool for every project.