Gemini 3.1 : Obtenez le diplôme Google Prompt Engineering, en 37 min!

Gemini 3.1 : Obtenez le diplôme Google Prompt Engineering, en 37 min!

Gemini 3.1: Get the Google Prompt Engineering Degree in 30 Min!

🎙 Parlons IA 👥 17K 📅 March 13, 2026 ⏱ 37 min 👁 14K 📄 tutorial 🧭 2026-09-08
Available in: English (current) Français

Keywords

Gemini 3.1prompt engineeringcontext engineeringfew-shotthinking_level

Summary

This tutorial by Parlons IA focuses on prompt engineering for Google’s Gemini 3.1 model, aiming to help viewers pass the official Google Prompt Engineering certificate and obtain three months of free Google AI Pro. The video debunks common myths about prompting, such as the ‘magic prompt’ and the idea that more context always improves results. It explains the probabilistic nature of LLMs, the importance of structured prompts using XML or Markdown, and the ’lost in the middle’ problem. The creator discusses specific Gemini 3.1 features like parallel reasoning, self-pruning, and the thinking_level API parameter. Practical advice includes using branches in AI Studio to reset conversations, avoiding unnecessary flattery, and focusing on clear objectives and constraints. The video also covers agentic prompts with self-analysis and correction loops, and mentions the role of context engineering over simple prompt engineering. The presentation is interspersed with promotional segments for the creator’s own training courses and affiliate links.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video provides valuable, actionable information on prompt engineering, particularly for Gemini 3.1. It effectively debunks common misconceptions, such as the ‘magic prompt’ and the overemphasis on persona, by explaining the underlying probabilistic mechanics. The argumentation is generally solid, grounded in references to official Google documentation and known research like the ’lost in the middle’ problem. However, some claims, such as specific accuracy percentages for Gemini and Claude, are presented without direct citations, which slightly weakens the scientific rigor. The creator’s promotion of his own training courses and affiliate links introduces a commercial bias, but the core technical content remains informative and practical.

Scientific Rigor, Source Quality, Title Accuracy

The video references official Google documentation and known concepts, but does not provide direct links to these sources in the description. The description includes links to the creator’s own resources (e.g., his training platform, blog, social media) and affiliate links, but no direct citations to the mentioned Google docs or research papers. The title accurately reflects the content, which is a tutorial on prompt engineering for Gemini 3.1. The video’s scientific rigor is moderate: it correctly explains concepts like ’lost in the middle’ and the probabilistic nature of LLMs, but some specific data points (e.g., accuracy percentages) are not sourced. The creator’s promotional segments for his own courses are clearly identifiable and do not affect the technical content’s validity.

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Title / Content Match

The title accurately reflects the content: a tutorial on prompt engineering for Gemini 3.1, including preparation for the Google certificate.

Quality & Reliability

7/10

The video provides a practical tutorial on prompt engineering for Gemini 3.1, with references to official Google documentation and known concepts like 'lost in the middle'. However, some claims (e.g., specific accuracy percentages for Gemini and Claude) lack direct citations, and the promotional tone for the creator's own training courses slightly reduces the overall reliability.

Chapters

Cited Sources

Concurring Sources

  • Google AI for Developers - Gemini API documentation — The video's advice on prompt structure aligns with official Google documentation on prompting for Gemini models.
  • Lost in the Middle: How Language Models Use Long Contexts — The video's discussion of the 'lost in the middle' problem is consistent with this research paper.

Dissenting Sources

  • Common prompt engineering advice (e.g., 'give more context') — The video explicitly debunks the common advice that more context always improves results, citing the 'lost in the middle' problem and the need for selective information.

External References

Contribution & Novelties

The video offers a fresh perspective on prompt engineering by focusing on the specific architecture and features of Gemini 3.1, such as parallel reasoning and self-pruning. It emphasizes the shift from simple prompt engineering to ‘context engineering’, highlighting the importance of selective information over volume. The tutorial also provides practical tips like using branches in AI Studio and avoiding flattery, which are not commonly covered in generic prompt engineering guides.

Pour aller plus loin :

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Radar Profile

The radar profile shows a balanced but moderate performance across all dimensions, with quantity of information and technical level being the highest. This indicates a tutorial that provides a substantial amount of technical detail, but with some limitations in reliability due to unverified claims and promotional content.

Reliability 6/10

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