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Claude sucks at non English languages. Gemini and ChatGPT are much better. Grok is the worst. I am a native Czech speaker and Claude makes up words and Grok som

by Squarex 8mo ago

Claude sucks at non English languages. Gemini and ChatGPT are much better. Grok is the worst. I am a native Czech speaker and Claude makes up words and Grok sometimes respond in Russian. So while I love it for coding, it’s unusable for general purpose for me.

9dev 8mo ago
> Grok sometimes respond in Russian Geopolitically speaking this is hilarious.
- Squarex 8mo ago
  The voice mode sounded like a Ukrainian trying to speak Czech. I don’t think it means anything.
kuboble 8mo ago
Claude code (opus) is very good in Polish. I sometimes vibe code in polish and it's as good as with English for me. It speaks a natural, native level Polish. I used opus to translate thousands of strings in my app into polish, Korean, and two Chinese dialects. Polish one is great, and the other are also good according to my customers.
- altern8 8mo ago
  Your game is amazing! I wish there was a "Reset" button to go back to the original position. Where are you in Poland?
  - kuboble 8mo ago
    Thanks :) Click "Level" -> "Try again" Originally from Wrocław, but don't live in Poland anymore
    - altern8 8mo ago
      Ah, I'm originally from Italy and living in Wroclaw now, LOL. BUT, I meant a button to restart after a few moves. Anyways, cool!
      - kuboble 8mo ago
        Yes, that's what I'm referring to https://kuboble.com/hn/level_try_again.mp4 https://kuboble.com/hn/level_try_again.mp4
        altern8 8mo ago
        Ah, I see. But how would I know that I have to click on the level? I would expect that to live next to "Undo". Just saying :-)
- koakuma-chan 8mo ago
  You could say its Polish is polished.
- Squarex 8mo ago
  > I sometimes vibe code in polish This is interesting to me. I always switch to English automatically when using Claude Code as I have learned software engineering on an English speaking Internet. Plus the muscle memory of having to query google in English.
  - kuboble 8mo ago
    English is also default for me. I mostly use Polish when I pair-vibe-code with my kids
jorl17 8mo ago
Claude is quite good at European Portuguese in my limited tests. Gemini 3 is also very good. ChatGPT is just OK and keeps code-switching all the time, it's very bizarre. I used to think of Gemini as the lead in terms of Portuguese, but recently subjectively started enjoying Claude more (even before Opus 4.5). In spite of this, ChatGPT is what I use for everyday conversational chat because it has loads of memories there, because of the top of the line voice AI, and, mostly, because I just brainstorm or do 1-off searches with it. I think effectively ChatGPT is my new Google and first scratchpad for ideas.
khendron 8mo ago
Claude is helping me learn French right now. I am using it as a supplementary tutor for a class I am taking. I have caught it in a couple of mistakes, but generally it seems to be working pretty well.
deaux 8mo ago
You mean Claude sucks at Czech. You're extrapolating here. I can name languages that Claude is better at than GPT. Gemini is the most fluent in the highest number of human languages and has been for years (!) at this point - namely since Gemini 1.5 Pro, which was released Feb 2024. Two years ago.
- Squarex 8mo ago
  Yeah, sure, I was overly generalising it from one experience.
JV00 8mo ago
I tried coding in Italian with Claude and it sounds somewhat less professional than in English. Like it uses different language than what you would expect in the context. In the end I felt the result on the work per se was pretty much the same, just his comments sound strange. Thinking about it again, it's probably because Italian developers don't really speak pure Italian between themselves, we use a lot of English words or distorted Italianised English words when talking about software engineering because all the source material we refer to is written in English and for many things we don't even have translations. Then you talk with a LLM and it actually tries to use proper Italian, when human speakers gave up long ago. So it sounds like a humanities scholar talking about software engineering, not like a insider. It is quite entertaining. I wouldn't say it sucks with non English languages by the way, I even tried describing a bug in dialect and was amused that Claude code one-shotted the fix!
- Squarex 8mo ago
  yeah, i overextrapolated it on my specific case on the czech language, but for me the difference is quite large and the czech internet has been quite active in the history, the computer linguistic department on the charles university is world tier... there is plenty of czech literature. it should not be that much of a problem to be profecient on it for major labs

by Squarex 8mo ago

9dev 8mo ago

> Grok sometimes respond in Russian Geopolitically speaking this is hilarious.

Squarex 8mo ago
The voice mode sounded like a Ukrainian trying to speak Czech. I don’t think it means anything.

kuboble 8mo ago

Claude code (opus) is very good in Polish. I sometimes vibe code in polish and it's as good as with English for me. It speaks a natural, native level Polish. I used opus to translate thousands of strings in my app into polish, Korean, and two Chinese dialects. Polish one is great, and the other are also good according to my customers.

altern8 8mo ago
Your game is amazing! I wish there was a "Reset" button to go back to the original position. Where are you in Poland?
- kuboble 8mo ago
  Thanks :) Click "Level" -> "Try again" Originally from Wrocław, but don't live in Poland anymore
  - altern8 8mo ago
    Ah, I'm originally from Italy and living in Wroclaw now, LOL. BUT, I meant a button to restart after a few moves. Anyways, cool!
    - kuboble 8mo ago
      Yes, that's what I'm referring to https://kuboble.com/hn/level_try_again.mp4 https://kuboble.com/hn/level_try_again.mp4
      - altern8 8mo ago
        Ah, I see. But how would I know that I have to click on the level? I would expect that to live next to "Undo". Just saying :-)
koakuma-chan 8mo ago
You could say its Polish is polished.
Squarex 8mo ago
> I sometimes vibe code in polish This is interesting to me. I always switch to English automatically when using Claude Code as I have learned software engineering on an English speaking Internet. Plus the muscle memory of having to query google in English.
- kuboble 8mo ago
  English is also default for me. I mostly use Polish when I pair-vibe-code with my kids

jorl17 8mo ago

Claude is quite good at European Portuguese in my limited tests. Gemini 3 is also very good. ChatGPT is just OK and keeps code-switching all the time, it's very bizarre. I used to think of Gemini as the lead in terms of Portuguese, but recently subjectively started enjoying Claude more (even before Opus 4.5). In spite of this, ChatGPT is what I use for everyday conversational chat because it has loads of memories there, because of the top of the line voice AI, and, mostly, because I just brainstorm or do 1-off searches with it. I think effectively ChatGPT is my new Google and first scratchpad for ideas.

khendron 8mo ago

Claude is helping me learn French right now. I am using it as a supplementary tutor for a class I am taking. I have caught it in a couple of mistakes, but generally it seems to be working pretty well.

deaux 8mo ago

You mean Claude sucks at Czech. You're extrapolating here. I can name languages that Claude is better at than GPT. Gemini is the most fluent in the highest number of human languages and has been for years (!) at this point - namely since Gemini 1.5 Pro, which was released Feb 2024. Two years ago.

Squarex 8mo ago
Yeah, sure, I was overly generalising it from one experience.

JV00 8mo ago

I tried coding in Italian with Claude and it sounds somewhat less professional than in English. Like it uses different language than what you would expect in the context. In the end I felt the result on the work per se was pretty much the same, just his comments sound strange. Thinking about it again, it's probably because Italian developers don't really speak pure Italian between themselves, we use a lot of English words or distorted Italianised English words when talking about software engineering because all the source material we refer to is written in English and for many things we don't even have translations. Then you talk with a LLM and it actually tries to use proper Italian, when human speakers gave up long ago. So it sounds like a humanities scholar talking about software engineering, not like a insider. It is quite entertaining. I wouldn't say it sucks with non English languages by the way, I even tried describing a bug in dialect and was amused that Claude code one-shotted the fix!

Squarex 8mo ago
yeah, i overextrapolated it on my specific case on the czech language, but for me the difference is quite large and the czech internet has been quite active in the history, the computer linguistic department on the charles university is world tier... there is plenty of czech literature. it should not be that much of a problem to be profecient on it for major labs