Mistral Prompt for Summarizing a Document
Mistral, the French AI model developed by Mistral AI, excels at synthesis and document summarization tasks. Whether you're dealing with a 50-page report, a dense scientific article, or a complex legal document, Mistral can extract the essentials in seconds. Its native understanding of French makes it a particularly relevant choice for summarizing French-language documents, with remarkable fidelity to the nuances of the original text. The challenge of a good summarization prompt isn't just asking "summarize this text": it's about guiding the model to identify key information, respect the document's logical structure, and produce a synthesis tailored to your use case. A summary for an executive committee doesn't have the same requirements as a summary for an academic literature review. The prompts presented here will allow you to obtain precise, structured, and actionable summaries, regardless of the source document type. You'll learn to control the length, level of detail, and output format for professional results every time.
Paste in your AI
Paste this prompt in ChatGPT, Claude or Gemini and customize the variables in brackets.
You are a document synthesis expert. Summarize the following document according to these instructions:
- Summary structure: Start with a hook sentence summarizing the central thesis, then organize the summary into thematic sections with subheadings.
- Length: Produce a summary representing approximately 15 to 20% of the original text length.
- Fidelity: Preserve key figures, proper names, and important conclusions without distortion.
- Objectivity: Do not formulate any personal opinions. Report only what the author states.
- Key points: End with a bulleted list of 5 to 7 essential takeaways.
Document to summarize:
[PASTE YOUR DOCUMENT HERE]
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Why this prompt works
This prompt works because it assigns an expert role to the model, which activates a more rigorous and structured response register. The numbered instructions eliminate ambiguity by specifying exactly the expected format, length, and tone. The request for a list of key points at the end of the summary forces the model to prioritize information and guarantees an immediately actionable output.
Use Cases
Variants
Expected Output
You will obtain a structured summary with thematic subheadings, faithful to the original content and representing approximately 15 to 20% of its length. The summary will end with a concise list of 5 to 7 essential points, ideal for quick decision-making or sharing with colleagues.
Frequently Asked Questions
What is the maximum document length Mistral can summarize?
Mistral Large has a context window of 128,000 tokens, which is roughly equivalent to 200 pages of text. For longer documents, it's recommended to split them into sections, summarize each section separately, then request a synthesis of the summaries. Using the Mistral API, you can also leverage the automatic chunking feature to handle very large documents.
How can I ensure the summary doesn't distort the meaning of the original document?
To guarantee summary fidelity, add explicit instructions to your prompt such as "do not rephrase the author's conclusions" and "quote key passages in quotation marks." You can also ask Mistral to generate the summary and then verify it by asking: "Is this summary faithful to the original document? Note any discrepancies." This self-verification technique significantly reduces the risk of hallucination or distortion.
Is Mistral suitable for summarizing technical or specialized documents?
Yes, Mistral handles technical, scientific, legal, and financial documents well, provided you specify the field in your prompt. By stating "you are an expert in [field]," you activate the model's specialized vocabulary and get summaries that respect industry terminology. For highly specialized documents, the advanced version of the prompt with domain and target audience parameters will yield the best results.
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