Claude 4.7 le prompt system enfin accessible !

Claude 4.7 le prompt system enfin accessible !

Claude 4.7: The system prompt is finally accessible!

🎙 Parlons IA 👥 17K 📅 May 6, 2026 ⏱ 16 min 👁 3K 📄 tutorial 🧭 2026-09-08
Available in: English (current) Français

Keywords

system promptClaude 4.7prompt engineeringAI agentsNotebookLM

Summary

The video presents the leaked system prompt of Claude 4.7, comparing it with the 4.6 version. The creator explains the structure and importance of system prompts, highlighting the shift towards mandatory web search before factual questions, which increases token consumption. He demonstrates how to use NotebookLM to analyze the prompt, extract key sections, and compare versions. The video emphasizes that the real power of AI models lies not in raw benchmark improvements but in how system prompts are crafted to guide behavior. He provides a practical methodology for studying these prompts to build better AI agents, focusing on context gathering, tool selection, and decision-making. The analysis covers sections on restrictions, safety policies, and the new ‘End conversation’ function, which allows the model to terminate conversations under certain conditions. The creator concludes by encouraging viewers to study system prompts as a blueprint for developing their own agents.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video provides valuable insights into the structure and function of system prompts, using the leaked Claude 4.7 prompt as a case study. The argumentation is coherent, emphasizing the importance of precise language and the impact of prompt design on model behavior. The creator demonstrates a practical method for analyzing prompts using NotebookLM, which adds concrete value. However, the analysis is based on a single source (the leaked prompt) and the creator’s interpretation, which may not be fully objective. The claim that the 4.7 prompt’s mandatory search is the main reason for increased token consumption is plausible but not empirically verified.

Scientific Rigor, Source Quality, Title Accuracy

The video relies on a leaked system prompt, which is a primary source but not officially confirmed by Anthropic. The creator does not cite any external sources or studies to support his claims. The title accurately reflects the content, and the video is well-structured. The analysis of the prompt is detailed, but the lack of external verification limits the scientific rigor. The video’s practical demonstrations are clear and reproducible, which is a strength.

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Title / Content Match

The title accurately reflects the content, which focuses on the Claude 4.7 system prompt and its analysis.

Quality & Reliability

6/10

The video is a tutorial on analyzing system prompts, based on a leaked document. The methodology is sound but relies on a single source (the leaked prompt) and the creator's interpretation. No external verification is provided.

Key Moments

Cited Sources

Concurring Sources

Dissenting Sources

  • Leaked prompt authenticity — The video relies on a leaked prompt, which may not be the final official version, and Anthropic has not confirmed its authenticity.

Contribution & Novelties

The video offers a practical methodology for analyzing system prompts, using the leaked Claude 4.7 prompt as a concrete example. It demonstrates how to use NotebookLM to extract and compare sections, providing a replicable workflow. The emphasis on the ‘End conversation’ function and the shift in search behavior are notable insights.

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89 words

Radar Profile

The radar profile shows a balanced distribution, with slightly higher scores in quantity of information and technical level, reflecting the video's practical and detailed approach. The lower score in reliability is due to the reliance on a single unverified source.

Reliability 5/10