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Free AI Prompt Library - ChatGPT, Claude, Gemini

Library of 313 free AI prompts for ChatGPT, Claude and Gemini. Sorted by category, one-click copy, no signup required.

Looking for free AI prompts that actually work? Our library gathers 313 prompts tested and optimized for ChatGPT, Claude and Gemini. Everything is 100% free - no signup, no copy limit.

Every prompt is sorted by category (writing, productivity, marketing, code, education…) and comes with concrete examples. You save time by reaching for proven formulations instead of trial-and-error each time.

100% free

No paywall, no mandatory signup to copy a prompt.

Multi-AI

Every prompt works with ChatGPT, Claude, Gemini and Mistral.

Categorized

Filter by topic, difficulty and use case.

Bilingual

Available in French and English, tailored to each audience.

Showing 145-156 of 313 prompts

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Perplexity Prompt for Writing a Report

Perplexity stands out from other AI assistants by its ability to cross-reference web sources in real time, making it a particularly powerful tool for report writing. Where a writer would spend hours compiling data, verifying figures, and structuring arguments, Perplexity synthesizes available information in seconds while citing its sources. Whether you are writing a quarterly activity report, a market analysis, or a project review, the challenge is the same: produce a credible, structured, and sourced document. The prompt we offer leverages Perplexity's specific strengths—real-time search, automatic citations, and multi-source synthesis—to generate a professional report that does not merely rephrase generalities but relies on verifiable data. By precisely calibrating the context, expected format, and level of detail, you get a solid first draft that saves you considerable time on research and structuring.

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Perplexity Prompt to Write a Blog Post

Perplexity AI stands out from other AI assistants by its unique ability to combine real-time web search with text generation. For blog writing, this advantage is decisive: where ChatGPT or Claude rely on training data, Perplexity can source up-to-date information, verify recent statistics, and cite sources. This makes it a powerful tool for producing factual, well-documented, and credible articles. However, getting a truly publishable blog post with Perplexity requires a structured prompt that guides the AI on tone, format, depth of analysis, and target audience. A vague prompt yields generic results; a well-crafted prompt produces an article that rivals professional writing. In this guide, you will discover an optimized main prompt, its variants depending on your expertise level, and best practices to fully leverage Perplexity's potential in your content creation workflow.

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Sora Prompt for Writing a Press Release

Writing a press release is a demanding exercise that requires precision, structure, and impact. Every word counts to capture journalists' attention and convey a clear message. Sora, the artificial intelligence tool developed by OpenAI, offers an innovative approach to support communication professionals in this task. By crafting a well-designed prompt, you can obtain a press release structured according to journalistic standards, with a compelling angle, relevant quotes, and a ready-to-distribute format. Whether you are announcing a product launch, a strategic partnership, or a major event, Sora allows you to save considerable time on the first draft while maintaining a professional level of quality. The tool excels particularly in respecting the inverted pyramid, formulating impactful headlines, and integrating the key elements that editorial teams look for. This guide provides an optimized prompt along with several variants tailored to your expertise level to get the most out of Sora for writing your press releases.

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Perplexity Prompt for Summarizing a Document

Perplexity AI stands out from traditional search engines with its ability to synthesize information in a structured and sourced manner. When it comes to summarizing a document, Perplexity offers a considerable advantage: it can not only condense the content but also contextualize it by cross-referencing information with external sources. Whether you are a student facing a 50-page academic article, a professional dealing with a dense quarterly report, or a researcher analyzing a scientific publication, a well-crafted prompt makes all the difference between a superficial summary and a truly usable synthesis. The key lies in the precision of your instructions: by specifying the desired format, level of detail, target audience, and elements to prioritize, you turn Perplexity into a remarkably effective summarization assistant. This guide provides an optimized prompt and its variants to obtain clear, structured summaries faithful to the source document, regardless of your expertise level.

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Gemini Prompt for Summarizing a Document

Summarizing a long document is one of the tasks where Gemini excels thanks to its massive context window, capable of processing up to 1 million tokens. Whether you have a 200-page annual report, a complex legal contract, or a university thesis, Gemini can extract the essentials in seconds. However, a simple "summarize this document" often yields a generic result that misses critical information for your use case. The key lies in a structured prompt that specifies the desired level of detail, the analysis angle, and the output format. A good summary prompt guides Gemini to distinguish essential information from noise, retain important numerical data, and adapt the tone to the target audience. In this guide, you'll find a main optimized prompt along with three variants suited to your expertise level. Whether you're a student looking to synthesize your courses, a professional needing to digest industry reports, or a researcher analyzing scientific literature, these prompts will save you hours of reading while preserving the substance of the original document.

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Perplexity Prompt for Proofreading a Text

Perplexity AI stands out from standard spell checkers by its ability to understand the overall context of a text before correcting errors. While a simple spell checker only catches isolated mistakes, Perplexity analyzes syntactic consistency, verb tense agreement, complex agreements, and even stylistic awkwardness that traditional tools miss. By crafting a well-structured correction prompt, you transform Perplexity into a professional proofreader capable of handling everything from a quick email to a university thesis. The major advantage lies in its ability to explain each proposed correction, making it a learning tool as well as a correction tool. Whether you are a writer, student, professional, or learner of French as a foreign language, a well-designed prompt lets you obtain an impeccable text while understanding the underlying rules. This page offers a main optimized prompt and three variants tailored to your level of rigor, for effectively correcting any type of French text.

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Stable Diffusion Prompt for Writing a Thesis

Stable Diffusion, known for its powerful AI image generation, can be a valuable ally in writing an academic thesis. While the tool doesn't directly compose text, it enables you to create professional visuals, conceptual illustrations, explanatory diagrams, and polished covers that significantly enhance your document's visual quality. In the context of a research thesis, final-year project, or professional dissertation, incorporating AI-generated images offers a distinctive advantage: you can produce custom illustrations perfectly tailored to your topic, without relying on generic stock photo banks or graphic design skills. Whether you need to represent abstract concepts in the humanities, generate visualizations for case studies, or design a striking cover page, Stable Diffusion lets you materialize your visual ideas with precision. This guide offers optimized prompts for every visual need related to writing your thesis, from beginner to advanced levels, to produce high-quality academic images.

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GitHub Copilot Prompt for Writing Subtitles

GitHub Copilot, the AI-powered coding assistant, is not limited to code generation. It also excels at writing structured textual content, especially subtitles. Whether you're working on a blog post, a web page, technical documentation, or a video, well-crafted subtitles are essential to guide the reader, improve readability, and optimize SEO. By leveraging GitHub Copilot directly in your code editor, you can generate impactful, hierarchical subtitles consistent with your content's tone. The major advantage lies in its seamless integration into the development workflow: no need to leave your IDE to produce professional-quality subtitles. Copilot analyzes the context of your file, understands your document's structure, and suggests subtitles tailored to each section. This approach saves considerable time while maintaining editorial coherence across all your content.

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Prompt Mistral for Writing a Report

Mistral, the AI model developed by the French startup Mistral AI, stands out as a powerful tool for writing professional reports. Whether you are an analyst, consultant, researcher, or manager, Mistral's ability to structure information, synthesize complex data, and produce clear text makes it a formidable writing assistant. Unlike writing from scratch, which can take hours, a well-crafted prompt provides a solid first draft of your report in seconds, complete with logical structure, smooth transitions, and a tone suited to your audience. The goal is not to replace your subject matter expertise, but to free you from the blank page and significantly speed up the formatting phase. Mistral excels particularly in processing French due to its European training data, making it a relevant choice for reports aimed at a French-speaking audience. On this page, you will find an optimized main prompt, variants adapted to your skill level, and tips for getting the most out of Mistral in your reporting tasks.

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Mistral Prompt for Writing Subtitles

Subtitles play a crucial role in structuring written content. Whether for a blog post, a web page, or a professional document, well-written subtitles guide the reader, improve readability, and enhance SEO. Mistral, the French language model, excels at understanding the linguistic nuances of French and offers a remarkable ability to produce impactful, hierarchical subtitles adapted to your content's tone. Thanks to its optimized architecture, Mistral can analyze the overall context of your text to generate subtitles that capture attention while staying true to the main message. Whether you are a web writer, content creator, or marketing manager, using Mistral to write your subtitles saves you considerable time while maintaining high editorial quality. This prompt is designed to fully leverage Mistral's capabilities in generating structured, engaging, and web-optimized subtitles.

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DALL-E Prompt for Writing a Professional Bio

DALL-E, OpenAI's image generation tool, can transform the presentation of your professional bio by creating striking visuals that accompany your text. Whether you need a stylized portrait, an illustration representing your expertise, or a personal branding visual, DALL-E allows you to produce custom images without hiring a graphic designer. In a world where first impressions are often visual, having a professional visual consistent with your positioning makes all the difference on LinkedIn, your personal website, or your communication materials. By combining a well-structured prompt with DALL-E's capabilities, you get a unique visual identity that reinforces the credibility of your professional bio. This guide offers optimized prompts to generate visuals that perfectly complement your bio, from minimalist corporate portraits to creative illustrations of your journey. Each variant is designed for a different level of expertise so you can find the prompt suited to your needs.

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Sora Prompt for Writing a Thesis

Writing a thesis is a demanding academic exercise that requires rigorous structuring of ideas, solid argumentation, and mastery of the subject matter. Sora, the artificial intelligence tool developed by OpenAI, can become a valuable ally in this process by helping you organize your thoughts, generate detailed outlines, and produce quality drafts for each section of your thesis. Whether you are pursuing a bachelor's, master's, or doctoral degree, using Sora strategically allows you to save considerable time on the structuring and initial drafting phases while preserving your academic voice and personal analysis. The tool particularly excels at generating coherent outlines, reformulating complex passages, synthesizing bibliographic sources, and producing smooth transitions between chapters. However, it is essential to understand that Sora does not replace your research work or critical thinking: it amplifies your productivity by automating the most time-consuming writing tasks. This guide offers optimized prompts to get the most out of Sora at every stage of your thesis writing, from outline development to final proofreading.

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