fr-FR

Detect AI in French text.

AI Checker is calibrated for French with separate model weights for French-specific patterns. Sentence-level breakdown, free.

French quirks

French-specific signals AI Checker tracks.

Each language stresses LLMs in different ways. Here's what gives AI-generated French away.

  • 1Formal register defaults that don't match casual French use
  • 2Subjunctive overuse particularly visible in academic-style French
  • 3Anglicism inconsistency (sometimes loanwords, sometimes calques)
  • 4Quebec French and France French distinctions often blurred in AI output
Sample text

What AI-generated French reads like.

AI-generated · fr-FR~58 words

L'intelligence artificielle a transformé fondamentalement notre approche de la création de contenu dans le paysage numérique moderne. Grâce à l'utilisation de modèles linguistiques sophistiqués, les machines peuvent désormais générer du texte cohérent et contextuellement pertinent qui ressemble étroitement aux schémas d'écriture humaine. Il convient de noter que ce progrès technologique soulève des questions importantes concernant l'authenticité et l'attribution.

Run this through AI Checker to see the French-specific breakdown.Try it now
Why French matters

French AI detection, in detail.

French is a particularly interesting case for AI detection because French language conventions favor formal register, which AI models tend to default to even on casual prompts. The result: French AI output often reads as overly formal compared to typical French use, especially in conversational contexts. AI Checker is calibrated separately for France French (fr-FR) and Quebec French (fr-CA), which differ in vocabulary preferences ("weekend" vs "fin de semaine", "email" vs "courriel") and verb agreement patterns. Detection accuracy is 94-96% on unedited French AI output. The strongest signal is subjunctive overuse: French AI deploys the subjunctive at roughly 1.4x the rate of typical written French, a tell that's hard to fake without explicit prompting. Quebec French detection is slightly harder because the training data distribution is smaller; we're actively expanding coverage.

French FAQ

Frequently asked questions

Does AI Checker work for French text?

Yes. AI Checker is calibrated specifically for French with separate model weights tuned for French-specific patterns. Detection accuracy on unedited French AI text is 92-97% depending on the source model.

Is French detection as accurate as English?

English remains our highest-accuracy language at 98% on unedited output. French accuracy is 92-97%, slightly below English baseline due to smaller training data volume but closing fast with each model retrain.

Can I detect ChatGPT in French?

Yes. AI Checker detects French output from ChatGPT (all GPT-3.5, GPT-4, GPT-4o variants), Claude, Gemini, Llama, Mistral, and other major LLMs. Each model has slightly different French-specific signature traits we track separately.

Is the free tier available for French?

Yes. Free tier supports all languages including French. No signup required. Up to 10,000 characters per check.

Can I use the API for French content moderation?

Yes. The REST API supports French natively with the same accuracy and per-call pricing as English. Many content moderation pipelines use AI Checker across multiple languages from a single integration.

More languages

AI detection across languages

AI Checker is calibrated for major world languages — pick yours for language-specific signals.

Detect AI in French.

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