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ekropotin 10 hours ago

Because 90% of training data was in English and therefore the model perform best in this language.

foldr 9 hours ago | parent [-]

In my experience these models work fine using another language, if it’s a widely spoken one. For example, sometimes I prompt in Spanish, just to practice. It doesn’t seem to affect the quality of code generation.

ekropotin 8 hours ago | parent | next [-]

It’s just a subjective observation.

It just can’t be a case simply because how ML works. In short, the more diverse and high quality texts with reasoning reach examples were in the training set, the better model performs on a given language.

So unless Spanish subset had much more quality-dense examples, to make up for volume, there is no way the quality of reasoning in Spanish is on par with English.

I apologise for the rambling explanation, I sure someone with ML expertise here can it explain it better.

omcnoe 4 hours ago | parent | next [-]

I saw a curious post recently that explored this idea, and showed that it isn’t really the case. The internal layers of the model aren’t really reasoning in English, or in any human language.

Translation in/out of human languages only happens at the edges of the model.

Internal layer activations for the same concept are similar regardless of language, while activations at the top/bottom layers diverge. Meanwhile the pattern is reversed for same language different content.

ekropotin 4 hours ago | parent [-]

So we do at least agree on the fact that quality of human language <-> embeddings transition depends on how good target language is represented in the training dataset?

Even if it happens at the edge, on every conversation turn, I may assume non captured small subtleties of meaning over time can accumulate into significant error.

foldr 5 hours ago | parent | prev [-]

The agent may be translating to English behind the scenes. There are all kinds of hacks layered on top of the underlying models. But however exactly it works, it’s clearly not the case that these things only make use of Spanish training data when you prompt them in Spanish.

Lets take a language with orders of magnitude less training data, like Nahuatl. The following is what happens if I ask Claude Code in Nahuatl to give me an example of a simple program that I can execute inside a web browser (avoiding any direct keyword prompts like 'Javascript' or 'Hello World'). Interestingly, it responds in Spanish. I doubt that it has any relevant training data in Nahuatl. (Apologies if the Nahuatl is wrong – I just used Google translate.)

    ¿Uelis techmakas se neskayotl tlen se programa tlen amo ouij tlen ueliskia nijchiuas ipan se navegador web?

    -----

    Entiendo tu pregunta en náhuatl. Aquí un ejemplo sencillo — una calculadora en HTML puro que puedes abrir directo en el navegador, sin servidor:

    <!DOCTYPE html>
    <html>
    <head>
        <meta charset="UTF-8">
        <title>Calculadora</title>
        <style>
        body { font-family: sans-serif; display: flex; justify-content: center; padding: 40px; }
        .calc { border: 1px solid #ccc; padding: 20px; border-radius: 8px; width: 200px; }
        input { width: 100%; margin-bottom: 10px; font-size: 1.2em; text-align: right; }
        button { width: 22%; margin: 2px; padding: 8px; font-size: 1em; cursor: pointer; }
        .wide { width: 47%; }
        </style>
    </head>
    <body>
    <div class="calc">
        <input type="text" id="pantalla" readonly>
        <div>
        <button onclick="tecla('7')">7</button>
        <button onclick="tecla('8')">8</button>
        <button onclick="tecla('9')">9</button>
        <button onclick="tecla('/')">÷</button>
    
        <button onclick="tecla('4')">4</button>
        <button onclick="tecla('5')">5</button>
        <button onclick="tecla('6')">6</button>
        <button onclick="tecla('*')">×</button>
    
        <button onclick="tecla('1')">1</button>
        <button onclick="tecla('2')">2</button>
        <button onclick="tecla('3')">3</button>
        <button onclick="tecla('-')">−</button>
    
        <button onclick="tecla('0')">0</button>
        <button onclick="tecla('.')">.</button>
        <button onclick="tecla('+')">+</button>
        <button onclick="limpiar()">C</button>
    
        <button class="wide" onclick="calcular()">=</button>
        <button class="wide" onclick="borrar()">⌫</button>
        </div>
    </div>
    
    <script>
        const pantalla = document.getElementById('pantalla');
    
        function tecla(val) {
        pantalla.value += val;
        }
    
        function calcular() {
        try {
            pantalla.value = eval(pantalla.value);
        } catch {
            pantalla.value = 'Error';
        }
        }
    
        function limpiar() { pantalla.value = ''; }
        function borrar() { pantalla.value = pantalla.value.slice(0, -1); }
    </script>
    </body>
    </html>
    
    Guarda esto como calculadora.html y ábrelo en cualquier navegador — no necesita servidor ni dependencias. Es un buen punto de partida para aprender HTML,
    CSS y JavaScript.
ekropotin 5 hours ago | parent [-]

> it’s clearly not the case that these things only make use of Spanish training data when you prompt them in Spanish.

It’s not! And I’ve never said that.

Anyways, I’m not even sure what we are arguing about, as it’s 100% fact that SOTA models perform better in English, the only interesting question here how much better, is it negligible or actually makes a difference in real world use-cases.

foldr 4 hours ago | parent [-]

It’s negligible as far as I can tell. If the LLM can “speak” the language well then you can prompt it in that language and get more or less the same results as in English.

adamsb6 9 hours ago | parent | prev [-]

They literally just have to subtract the vector for the source language and add the vector for the target.

It’s the original use case for LLMs.

curioussquirrel 5 hours ago | parent [-]

Thank you. +1. There are obviously differences and things getting lost or slightly misaligned in the latent space, and these do cause degradation in reasoning quality, but the decline is very small in high resource languages.