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Free AI Prompt Library - ChatGPT, Claude, Gemini

Library of 4136 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 4136 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 3253-3264 of 4136 prompts

✍️RedactionIntermediateAll AIs

Stable Diffusion Prompt for Writing a Press Release

Stable Diffusion is revolutionizing how communications professionals design visuals to accompany their press releases. In a saturated media landscape, a press release without a striking image often goes unnoticed. With Stable Diffusion, you can generate professional illustrations, product staging, stylized infographics, or atmospheric visuals that reinforce the impact of your message. Whether you're announcing a product launch, a corporate event, or a strategic partnership, the right prompt lets you create a high-quality editorial image in seconds, perfectly aligned with the tone and content of your release. This page guides you step by step in crafting optimized Stable Diffusion prompts that produce newsroom-quality visuals, tailored to media standards and ready to be integrated into your distributions. Mastering the art of prompting for your press releases means gaining speed, autonomy, and visual consistency across all your public communications.

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💻DeveloppementIntermediateAll AIs

Midjourney Prompt for Generating Unit Tests

Midjourney, known for its powerful AI image generation, can be creatively repurposed to support the unit test creation process. While Midjourney does not generate code directly, it excels at producing visual diagrams, architecture schemas, and graphical representations that make designing and documenting your test suites easier. By visualizing data flows, decision trees, and edge cases as clear illustrations, you can better structure your testing strategy before writing a single line of code. This visual approach is particularly useful for teams practicing TDD (Test-Driven Development) who want to map out their test scenarios intuitively. The generated diagrams also serve as excellent technical documentation assets, making test suites more understandable for new developers joining a project. Discover how to leverage Midjourney to transform your approach to unit testing through optimized prompts and advanced visualization techniques.

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📢MarketingIntermediateChatGPT

ChatGPT Prompt to Create a Loyalty Program

Creating an effective loyalty program is a major strategic lever for any business looking to increase customer retention and maximize customer lifetime value (LTV). However, designing a program that is both attractive to customers, profitable for the business, and operationally viable requires expertise in relationship marketing, behavioral psychology, and economic modeling. ChatGPT becomes a valuable ally here: by providing a structured prompt with your business context, goals, and constraints, it can generate a complete loyalty program architecture — from reward mechanics to status tiers, including point calculations, exclusive benefits, and the associated communication plan. Whether you are a local store, an e-commerce, or a B2B brand, the AI allows you to quickly prototype a tailored program, anticipate costs, and test different approaches before committing to expensive development. Here is how to leverage ChatGPT to design a high-performing and differentiating loyalty program.

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🎨CreativiteIntermediateAll AIs

Mistral Prompt for Creating Instagram Stories

Instagram stories have become an essential tool for capturing your audience's attention in just a few seconds. With over 500 million users viewing stories daily, mastering this format is crucial for any digital communication strategy. Mistral, the French AI model, stands out for its nuanced understanding of the French language and cultural subtleties, making it a top choice for creating impactful stories tailored to a French-speaking audience. Whether you're a community manager, entrepreneur, or content creator, using Mistral to design your stories saves considerable time while maintaining a professional quality level. The model excels at generating short, impactful text, proposing engaging narrative structures, and creating calls-to-action that drive interaction. In this guide, you'll discover optimized prompts to fully leverage Mistral's capabilities and turn your Instagram stories into genuine conversion and engagement tools.

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📊Analyse de donnéesIntermediateAll AIs

Mistral Prompt for Survey Analysis

Survey analysis is a crucial step to transform raw data into actionable insights. Whether you're a researcher, marketer, or product manager, extracting value from survey results requires a rigorous methodology: identifying trends, spotting correlations, segmenting respondents, and formulating clear recommendations. Mistral, the French AI model, excels at this type of analytical task thanks to its ability to process structured data and produce nuanced syntheses. By providing a well-crafted prompt, you can obtain in seconds an analysis that would normally take several hours: response distribution, cross-tabulations, anomaly detection, and visualization of results in tables. This guide offers a prompt optimized for Mistral, broken down into three levels of complexity, so you can extract maximum value from your survey data, regardless of your data analysis expertise.

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📊Analyse de donnéesIntermediateAll AIs

DALL-E Prompt for Analyzing Market Trends

DALL-E, OpenAI's image generation model, offers a unique visual approach to exploring and communicating market trends. While DALL-E is not a traditional data analysis tool, it can create impactful visual representations of market dynamics: conceptual infographics, stylized data visualizations, forward-looking scenario illustrations, or mood boards reflecting shifting consumer preferences. By combining precise instructions about identified trends with DALL-E's creative capabilities, analysts and marketers can produce visual aids that make market insights instantly understandable for teams and stakeholders. This approach is especially effective for strategic presentations, competitive intelligence reports, and foresight documents where visual impact enhances data comprehension. Discover how to craft your DALL-E prompts to turn your trend analysis into professional, memorable visuals.

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✍️RedactionIntermediateClaude

Claude Prompt for Writing a Professional Bio

Writing a compelling professional bio is a delicate exercise that requires finding the right balance between highlighting your background and authenticity. Whether for LinkedIn, a website, a conference, or an application, your bio is often the first contact a recruiter, client, or partner will have with you. Claude excels at this exercise thanks to its ability to structure information, adapt the tone according to the context, and highlight the differentiating elements of your profile. Rather than starting from a blank page, you can provide Claude with the key elements of your background — experiences, skills, achievements, values — and get a polished professional bio in seconds. The AI knows how to balance formality, avoid generic phrasing, and create a text that reflects you. Whether you are an entrepreneur, executive, freelancer, or career changer, the prompts below will guide you to get a impactful bio, tailored to your audience and ready to publish.

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🎨CreativiteIntermediateGemini

Gemini Prompt to Create a Logo

Gemini, Google's multimodal artificial intelligence, offers remarkable capabilities for logo creation thanks to its advanced understanding of language and visual design. Whether you're an entrepreneur launching a new brand, a freelancer looking to quickly prototype visual identities, or a designer seeking to explore creative avenues, Gemini can generate professional logo concepts from precise textual descriptions. The tool excels particularly at interpreting complex creative briefs, combining typographic style, symbolism, color palette, and brand positioning. By crafting a structured prompt that details your industry, brand values, and aesthetic preferences, you will obtain coherent and actionable logo proposals. This approach does not replace the work of a professional designer for finalization, but it significantly accelerates the ideation phase and allows you to arrive at meetings with concrete visual concepts rather than mere abstract descriptions.

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🎨CreativiteIntermediateAll AIs

DALL-E Prompt for Creating Images

DALL-E, developed by OpenAI, is one of the most powerful AI image generators available today. Capable of transforming a simple text description into a detailed and original image, DALL-E opens up immense creative possibilities for designers, marketers, content creators, and entrepreneurs. The key to achieving exceptional results lies in the quality of the prompt: the more precise and structured your description, the more the generated image will match your vision. A good DALL-E prompt combines several essential elements: the main subject, the desired artistic style, lighting, composition, dominant colors, and overall mood. Mastering the art of prompting for DALL-E will allow you to produce professional visuals without graphic design skills, whether for blog illustrations, advertising visuals, artistic concepts, or product mockups. This guide provides an optimized prompt and its variants to create striking images with DALL-E.

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📢MarketingIntermediateGemini

Gemini Prompt for Writing a Newsletter

Writing an engaging and regular newsletter is a major challenge for content creators, marketers and entrepreneurs. Between blank page syndrome, finding the right tone, and structuring ideas, the process can quickly become time-consuming. Google Gemini, with its advanced text generation capabilities and fine contextual understanding, positions itself as a particularly effective writing assistant for this task. By providing Gemini with precise instructions about your audience, editorial line, and goals, you get structured drafts that follow modern newsletter conventions: compelling hook, high-value content, clear calls to action, and conversational tone. Whether you produce a weekly B2B newsletter, a sector news digest, or a personal letter to your community, the prompts below will save you considerable time while maintaining consistent editorial quality. The goal is not to replace your voice, but to amplify it by automating the most laborious steps of writing.

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📢MarketingIntermediateAll AIs

DALL-E Prompt for Writing LinkedIn Posts

DALL-E, OpenAI's image generator, has become an indispensable ally for creating impactful visuals to accompany your LinkedIn posts. In a news feed saturated with text, an original and professional image can multiply your post's engagement rate by 2 to 3 times. Instead of resorting to generic stock photos your competitors already use, DALL-E allows you to produce custom illustrations that reinforce your message and capture attention at first scroll. Whether you want to illustrate an abstract concept like leadership, create a visual metaphor for an expertise article, or simply stand out with a uniquely styled carousel, the right DALL-E prompts transform your ideas into professional-quality LinkedIn visuals. This guide provides optimized prompts to generate images adapted to LinkedIn's visual codes: compatible formats, clean styles, corporate palettes, and compositions that work on both mobile and desktop. Discover how to formulate your requests to get immediately usable results in your publications.

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✍️RedactionIntermediateAll AIs

Sora Prompt for Correcting a Text

Sora, developed by OpenAI, is primarily known as a text-to-video generation model. However, the OpenAI ecosystem allows leveraging its linguistic understanding capabilities for text correction tasks through well-structured prompts. Correcting a text with AI assistance goes beyond simple spell-checking: it involves analyzing grammar, syntax, stylistic consistency, and clarity. An effective prompt for text correction should specify the desired level of correction—from simple proofreading to complete rewriting—while preserving the author's voice and intent. Whether you're a professional writer, a student preparing a thesis, or an entrepreneur writing marketing content, a well-designed prompt will save you considerable time while significantly improving your writing quality. In this guide, we offer an optimized main prompt along with several variants tailored to your level of rigor, to turn your drafts into flawless texts.

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