J'ai claqué 22 838€ en IA… Et ces 4 IA gratuites font TOUT !

J'ai claqué 22 838€ en IA… Et ces 4 IA gratuites font TOUT !

by Ludo Salenne

Applied Sciences & Engineering AI — News & Applications UYComputer scienceUYQArtificial intelligence (AI)
🎙 Ludo Salenne 👥 267K 📅 January 8, 2025 ⏱ 26 min 👁 238K 📄 tutorial 🧭 2026-08-21
Available in: English (current) Français

Keywords

IA gratuitesPerplexity AINotebookLMGamma AINapkin AI

Summary

In this video, Ludo Salenne, a French YouTuber specializing in AI, claims to have spent over €22,000 on AI tools in 2024, only to discover that four free AI tools can perform most of the same tasks. He presents a workflow combining Perplexity AI for research, NotebookLM for source analysis and synthesis, Gamma for presentation creation, and Napkin AI for generating visuals. He also mentions Google AI Studio and ChatGPT’s free tier as additional resources. The video is structured as a tutorial, demonstrating each tool with practical examples, such as creating a presentation on integrating AI into SMEs or generating a podcast from sources. The creator emphasizes the time-saving potential and the complementarity of these tools. The video includes promotional elements, such as affiliate links and a paid training offer, but the core content is informative and practical.

138 words

Critical Evaluation

Value of the Information & Strength of the Argument

The video provides valuable, actionable information by demonstrating a concrete workflow that combines several free AI tools. The argumentation is based on the creator’s personal experience and practical demonstrations, which adds credibility. However, the claim of saving 10 hours per week is not substantiated with any rigorous methodology, and the video has a promotional undertone, which may bias the presentation. The step-by-step approach is clear and easy to follow, making the information accessible to a broad audience.

Scientific Rigor, Source Quality, Title Accuracy

The video cites the tools’ official websites and the creator’s own tutorials, which are relevant and verifiable. However, the scientific rigor is limited: no external studies or expert opinions are referenced, and the effectiveness of the tools is based solely on anecdotal evidence. The title accurately reflects the content, and the video’s structure with chapters helps viewers navigate the information. The description includes affiliate links, which may indicate a commercial interest, but the tools themselves are presented objectively.

170 words

Title / Content Match

The title accurately reflects the content: the creator compares his spending on paid AI tools with the capabilities of free alternatives, and the video delivers on that promise.

Quality & Reliability

7/10

The video is a practical tutorial presenting four free AI tools with concrete use cases. The creator demonstrates workflows and provides links to the tools. However, the claims about saving 10 hours per week are anecdotal and not scientifically validated. The video is primarily promotional, with affiliate links and a paid training offer, which may introduce bias.

Chapters

Cited Sources

  • Perplexity AI — Moteur de recherche IA utilisé pour la recherche d'informations et la création d'espaces de veille.
  • NotebookLM — Outil de Google pour centraliser des sources et poser des questions basées uniquement sur celles-ci.
  • Gamma AI — Outil de création de présentations et de documents à partir de texte.
  • Napkin AI — Outil de génération de visuels à partir de texte.
  • Google AI Studio — Plateforme de Google pour accéder à ses modèles d'IA, y compris en temps réel.
  • Formation ChatGPT (offre commerciale) — Formation payante proposée par le créateur.
  • Ressources IA gratuites (prompts & GPTs) — Ressources gratuites proposées par le créateur.

Concurring Sources

  • Perplexity AI — Official website of Perplexity AI, confirming its features as a search engine.
  • NotebookLM — Official website of NotebookLM, confirming its source-based Q&A capabilities.
  • Gamma AI — Official website of Gamma, confirming its presentation generation features.
  • Napkin AI — Official website of Napkin, confirming its visual generation features.

External References

Contribution & Novelties

The video’s main contribution is to demonstrate a practical, integrated workflow using free AI tools, showing how they can complement each other to replace paid subscriptions. It highlights the potential of combining a search engine (Perplexity), a source analysis tool (NotebookLM), a presentation generator (Gamma), and a visual creator (Napkin) to streamline content creation and research tasks. The novelty lies in the concrete, step-by-step demonstration of this workflow, which is more actionable than a simple list of tools.

Pour aller plus loin :

  • Perplexity AI — Wikipedia article on Perplexity AI, providing background and context.
  • NotebookLM — Wikipedia article on NotebookLM, explaining its features and development.
  • Gamma AI — Official website of Gamma, a presentation tool.
  • Napkin AI — Official website of Napkin, a visual generation tool.
  • Google AI Studio — Official website of Google AI Studio, offering access to Google’s AI models.

143 words

Radar Profile

The radar profile shows high scores in information quantity and quality, reflecting the video's practical and detailed content. The technical level is moderate, suitable for a general audience. The overall reliability is good, but the promotional aspects and lack of external validation slightly reduce the score.

Reliability 7/10

💬 Très positif. Sur les 30 commentaires analysés, la grande majorité exprime une forte appréciation, soulignant l'utilité des outils présentés, la qualité des démonstrations et l'enthousiasme suscité. Quelques commentaires apportent des nuances techniques, mais le climat général est à la ferveur.