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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 277-288 of 313 prompts

✍️RedactionIntermediateAll AIs

Sora Prompt for Writing a Business Proposal

Writing a compelling business proposal is a strategic exercise requiring both a fine understanding of the client, rigorous structuring, and a persuasive tone. Sora, with its advanced content generation capabilities, becomes a valuable ally to accelerate this process without sacrificing quality. By providing a well-structured prompt, you can obtain a professional business proposal that includes client needs analysis, a differentiating value proposition, quantified arguments, and a clear call to action. Whether you are an independent consultant, a corporate salesperson, or a SME manager, Sora allows you to go from a raw idea to a finalized document in minutes. The challenge is not to replace your business expertise, but to structure your thinking and produce a solid first draft that you will then refine. This prompt has been designed to cover the essential sections of an effective business proposal: client context, diagnosis, proposed solution, expected benefits, pricing, and conditions. Discover how to leverage Sora to turn your business proposals into real conversion tools.

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✍️RedactionIntermediateClaude

Claude Prompt for Translating a Text

Translation is one of Claude's most powerful use cases. Unlike traditional machine translation tools, Claude understands context, cultural nuances, and stylistic subtleties of a text. Whether you are translating a professional email, a blog post, a legal document, or a literary work, Claude can adapt its approach to produce a translation that sounds natural in the target language. The challenge is not simply to convert words from one language to another, but to convey the meaning, tone, and intention of the original author. A well-structured prompt allows Claude to identify the appropriate language register, respect domain-specific terminology, and preserve the cultural elements that bring the text to life. In this guide, you will find a main optimized prompt as well as variants suited to different levels of requirement, from quick and informal needs to high-precision professional translation.

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✍️RedactionIntermediateGemini

Gemini Prompt for Writing a Blog Post

Google's AI model Gemini excels at writing long, structured content due to its ability to handle extended contexts and produce fluent text in English. To write an effective blog post, simply asking 'write me a post' is not enough: a well-constructed prompt must specify the topic, tone, expected structure, target audience, and editorial intent. By providing these elements to Gemini, you get a usable first draft that follows SEO best practices, captures attention from the introduction, and guides the reader to the conclusion. This guide offers a main optimized prompt along with three variants suited to your level of requirement, turning Gemini into a real writing assistant. Whether you are a beginner blogger looking to publish regularly or an experienced content creator aiming for top search rankings, these prompts will save you considerable time while maintaining a high level of quality.

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✍️RedactionIntermediateClaude

Claude Prompt for Summarizing a Document

Summarizing a document is one of the tasks where Claude excels the most. Whether you have a 50-page report, a dense scientific article, or a complex legal contract, Claude can extract the essentials in seconds. But the quality of the summary depends directly on the precision of your prompt. A vague prompt like 'summarize this text' will produce a generic summary that will likely miss the points that matter to you. In contrast, a well-structured prompt—specifying the target audience, desired level of detail, output format, and aspects to prioritize—turns Claude into a remarkably efficient summarization assistant. In this guide, you will find optimized prompts to obtain clear summaries that are faithful to the source document and tailored to your specific needs. Whether you are a student, professional, or researcher, these prompts will save you hours of reading while capturing essential information without distortion or critical omissions.

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✍️RedactionIntermediateAll AIs

Perplexity Prompt for Writing a Video Script

Perplexity stands out from other AI assistants for its ability to search and synthesize real-time information from the web. This strength makes it a particularly powerful tool for writing video scripts, where data accuracy, current examples, and source richness are essential. Unlike a classic LLM that relies solely on its pre-trained knowledge, Perplexity can verify statistics, find recent anecdotes, and ensure your script is based on verifiable facts. Whether you produce educational content for YouTube, corporate videos, short formats for TikTok, or documentaries, Perplexity allows you to go from idea to structured script in minutes. The tool excels especially in the preliminary research phase and in building solid arguments, two pillars of a compelling video script. In this guide, you will discover an optimized prompt to fully leverage Perplexity's research capabilities and produce engaging, well-documented video scripts ready for production.

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✍️RedactionIntermediateChatGPT

ChatGPT Prompt for Writing an Internal Memo

Writing an internal memo is a delicate exercise that requires clarity, conciseness, and a tone adapted to the company's culture. Whether announcing a reorganization, a new partnership, or an HR policy update, the memo must convey essential information while maintaining employee engagement. ChatGPT becomes a valuable ally here: by providing context, target audience, and desired tone, you get a structured and professional first draft in seconds. The AI helps you overcome writer's block, find the right diplomatic wording, and ensure a logical structure (context, announcement, impact, next steps). Instead of starting from scratch, you iterate on a solid foundation, which significantly reduces writing time while improving the quality of the final message. This prompt was designed to produce ready-to-send memos adapted to French corporate communication conventions.

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✍️RedactionIntermediateAll AIs

Sora Prompt for Report Writing

Sora, the video generation model developed by OpenAI, opens new possibilities for writing professional reports. While report writing remains traditionally a text-based exercise, Sora lets you significantly enrich your deliverables by integrating explanatory video sequences, animated data visualizations, or visual demonstrations. A report enhanced with video captures your readers' attention more effectively and conveys complex information with unparalleled clarity. Whether you're preparing an annual activity report, a project summary, or a market analysis, Sora enables you to transform dense paragraphs into short, impactful visual sequences. The tool particularly excels at creating illustrative scenes, narrative transitions, and visual contextual setups that accompany and reinforce your written message. By combining a well-structured text prompt with Sora's generation capabilities, you produce multimedia reports that stand out and facilitate decision-making for your recipients. This guide offers optimized prompts to leverage Sora at every stage of your report creation.

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✍️RedactionAdvancedAll AIs

Write the Editorial Section of an Annual Report

Writes the 5 key editorial sections of an annual report (CEO letter, highlights, figures, CSR, outlook) in an institutional style.

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✍️RedactionBeginnerAll AIs

Generate Batch SEO Meta Descriptions

Generates unique SEO meta descriptions and title tags in batch for multiple pages, with character count and short variant.

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✍️RedactionBeginnerAll AIs

Educational and Viral Instagram Carousel

Generates a complete slide-by-slide Instagram carousel with hook, structured content, visual directions, caption, and hashtag strategy.

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✍️RedactionIntermediateAll AIs

B2B Prospecting Cold Email That Gets Replies

Generates 3 cold email B2B variants with different approaches (problem, value, curiosity), 3 testable subject lines, and Day+5 follow-up for each.

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✍️RedactionBeginnerAll AIs

Write Your Professional Biography

Creates 4 professional biography versions adapted to Twitter, LinkedIn, conferences, and web pages, with optimal usage context for each.

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