Listen to Mistral Le Chat
CastReader reads Mistral Le Chat answers aloud in the language they were written — native French TTS voice on French answers, native English on English answers. No translation detour.
L'architecture orientée événements repose sur trois idées clés : le découplage des producteurs et des consommateurs, la communication asynchrone via un bus d'événements, et la capacité à rejouer l'historique. Chaque service publie ce qui s'est passé chez lui sans se soucier de qui écoute, ce qui rend le système plus résilient et plus facile à faire évoluer.
Native French TTS voice — no rewriting in English first
How CastReader Works with Le Chat
Built for a European AI with first-class French support
Native French Voice
No Translation Detour
Most TTS extensions either read French text with an English voice (awful) or auto-translate to English first (loses meaning). CastReader detects the answer language and uses a native fr-FR voice with correct liaison, elision, and intonation. English answers use en-US. No setup — it just picks the right voice.
Listen Button on Every Answer
🔊 Per-Response Read Aloud
A small Listen button appears next to every Le Chat reply on chat.mistral.ai. Click to hear just that answer. Works with Mistral Large, Mistral Small, Codestral, and the new Magistral reasoning model.
Smart Extraction
Reads the Answer, Not the Sidebar
Le Chat's web UI has the usual sidebar, model picker, and file upload area. CastReader's extractor identifies just the assistant message body and ignores everything else.
Code Blocks Handled
Code Announced, Not Spelled Out
When Le Chat produces a code block (especially with Codestral), CastReader announces the language once and skips the code syntax. The surrounding explanation in French or English reads naturally.
Frequently Asked Questions
Everything you need to know about listening to Le Chat with CastReader
Can Le Chat read answers aloud?
Le Chat's web interface at chat.mistral.ai has no built-in text-to-speech feature for its written answers. CastReader adds a 🔊 Listen button next to every Le Chat response so you can hear any answer read aloud for free.
Does it really use a native French voice?
Yes. CastReader detects the answer language and uses a native French (fr-FR) voice on French replies — with correct liaison, elision, and intonation. Not a US voice butchering French words. English replies use a native en-US voice. Automatic — no manual switch.
Does it work with Mistral Large, Codestral, and Magistral?
Yes. CastReader reads the rendered page, so it works with every Le Chat model — Mistral Large 2, Mistral Small, Codestral (code-focused), and Magistral (reasoning). The extractor doesn't need model-specific tweaks.
Does it work with Le Chat's Web Search and Flash Answers?
Yes. Web Search answers come with citation links and structured sections — CastReader reads the prose and skips inline citation markers. Flash Answers (fast factual responses) are treated the same as regular answers.
Does it work with the Le Chat Canvas / Code interpreter?
CastReader reads the explanation text that Le Chat generates around code blocks. Inside a code block itself, it announces 'Python code' (or whatever language) and skips the content so you don't hear every bracket. The surrounding prose flows naturally.
Does it work on the free tier of Le Chat?
Yes. CastReader works with any Le Chat account — free or Pro. You use Mistral normally and CastReader reads whatever answer appears on the page.
Is it free?
Completely free. No API key, no usage limits, no account required. Install the Chrome extension and start listening.
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Start Listening Now
Completely free. No signup. Install and start listening to Le Chat in the language it was written.