Free AI Prompt Library - ChatGPT, Claude, Gemini

Midjourney Prompt for Analyzing a Contract

Midjourney, as an AI image generation tool, cannot analyze the textual content of a contract in a legal sense. However, it excels at creating striking visuals to illustrate complex contractual concepts: negotiation process infographics, visual representations of key clauses, decision flow diagrams, or professional illustrations for legal presentations. These visuals transform dry documents into engaging communication aids, making understanding easier for non-lawyers. Whether you are a lawyer preparing a client presentation, a legal manager training your teams, or an entrepreneur seeking to simplify your terms and conditions, Midjourney allows you to create professional-quality visual representations. The following prompts are designed to generate clear, structured illustrations suitable for legal and contractual contexts, adhering to the visual codes of the industry: sobriety, clarity, and professionalism. Discover how to turn contract analysis into a visual experience with optimized Midjourney prompts.

DALL-E Prompt for Creating Illustrations

DALL-E, developed by OpenAI, is one of the most powerful AI image generators for creating original illustrations. Whether you're a professional illustrator, an author bringing characters to life, or an entrepreneur enhancing visual content, DALL-E can produce high-quality illustrations from text descriptions. The key lies in prompt precision: a well-structured prompt transforms a vague idea into a coherent illustration with masterful artistic style, balanced composition, and refined details. In this guide, we offer an optimized main prompt for illustration creation, along with variants suited to your skill level. You'll learn how to formulate instructions for professional results, control graphic style, manage color palettes, and fine-tune every visual element. Whether you aim for a children's book illustration, an editorial infographic, or a digital artwork, these prompts provide a solid foundation to unlock DALL-E's creative potential.

Claude Prompt for Writing a Cover Letter

Writing a compelling cover letter is a delicate exercise that requires finding the right balance between professionalism, authenticity, and relevance. Claude excels at this task thanks to its ability to adapt tone, structure arguments, and personalize each application based on the target position and company. Unlike a generic copy-pasted template, a well-constructed prompt allows Claude to produce a tailored letter that highlights your specific skills, establishes a clear connection between your background and job requirements, and demonstrates your understanding of the company. AI does not replace your unique background, but it helps you express it with clarity and impact. Whether you are a recent graduate, career changer, or experienced executive, Claude can adapt its writing to your experience level and industry. The result: a structured, impactful, and authentic letter that captures recruiters' attention from the first lines and sets you apart from the hundreds of applications received for each offer.

Stable Diffusion Prompt to Create a Brand Style Guide

Stable Diffusion is a powerful tool for generating coherent visual elements that form the basis of a professional brand style guide. By leveraging its image generation capabilities, you can create harmonious color palettes, recurring patterns, illustrated typographic styles, and complete moodboards in just minutes. The main advantage lies in the ability to rapidly iterate on different artistic directions before solidifying your visual identity. Whether you're a designer seeking inspiration or an entrepreneur wanting to lay the visual foundations of your brand, Stable Diffusion lets you explore hundreds of aesthetic combinations without engaging a full creative team. The secret lies in precisely phrasing your prompts: by specifying the art style, color scheme, composition principles, and the desired brand universe, you get visuals directly usable as references for your brand style guide. This approach doesn't replace the work of an art director, but considerably accelerates the exploration and conceptualization phase.

Claude Prompt for Proofreading a Text

Proofreading text is one of Claude's most powerful uses. Whether you are a writer, student, professional, or content creator, spelling, grammar, and syntax errors can undermine the credibility of your writing. Claude excels at identifying and correcting these errors thanks to its deep understanding of the French language, including complex agreements, irregular conjugations, and typographic subtleties. Unlike a simple autocorrect tool, Claude understands the context of each sentence, allowing it to detect errors that standard tools miss: false cognates, anglicisms, awkward repetitions, or register inconsistencies. By using a well-structured prompt, you get not only a corrected text but also explanations for each modification, helping you improve your language skills. This approach transforms correction into continuous learning, tailored to your level and specific needs.

Gemini Prompt for Generating Advertising Visuals

Generating advertising visuals is one of the most powerful use cases for Gemini. With its advanced multimodal capabilities, Gemini allows you to create impactful ad images in seconds, where a designer would take hours. Whether you are a marketing manager, entrepreneur, or content creator, mastering the right prompts for Gemini radically transforms your creative workflow. The challenge is not just to ask for an image, but to structure your request to obtain a visual that respects your brand identity, captures your target audience's attention, and drives action. A well-constructed prompt incorporates the product context, the desired visual tone, the technical constraints of the advertising format, and essential composition elements. In this guide, you will discover an optimized main prompt for Gemini, its variants based on your expertise level, and best practices for obtaining professional advertising visuals that convert. Each prompt has been tested and refined to maximize render quality and commercial relevance.

Stable Diffusion Prompt to Create a Logo

Stable Diffusion has become an essential tool for logo creation thanks to its ability to generate sharp, professional vector visuals. Unlike traditional image generators, Stable Diffusion allows granular control over style, typography, and composition—three essential elements in logo design. Whether you're an entrepreneur looking to create a visual identity without a design budget, a graphic designer seeking quick inspiration, or an agency wanting to speed up its design phase, mastering prompts suited for logo creation will save you considerable time. The key lies in using precise technical terms: specify the logo type (emblem, wordmark, mascot), the graphic style (flat design, minimalist, geometric), and especially logo-specific constraints such as a transparent background, shape simplicity, and readability at different scales. In this guide, you'll find an optimized main prompt, variants suited to your level, and answers to frequently asked questions to create impactful logos with Stable Diffusion.

ChatGPT Prompt for Analyzing Competitors

Competitive analysis is a fundamental pillar of any effective business strategy. Yet, it often remains time-consuming and superficial when done manually. ChatGPT radically transforms this process by allowing you to structure, deepen, and synthesize your competitive intelligence in minutes. With a well-crafted prompt, you can obtain a complete mapping of your competitors: positioning, strengths, weaknesses, marketing strategies, pricing policy, and differentiation opportunities. The AI excels particularly in putting disparate data into perspective and identifying patterns that the human eye might miss. Whether you are launching a new product, preparing an investor pitch, or adjusting your go-to-market strategy, a well-formulated competitive analysis prompt gives you a decisive advantage. The key is to provide enough context about your market and objectives so that ChatGPT produces an actionable analysis rather than a generic summary. Here are the most effective prompts to turn ChatGPT into a formidable competitive analyst.

Midjourney Prompt for Creating a Training Program

Midjourney is a powerful tool for designing visuals for a professional and engaging training program. Whether you are an independent trainer, educational manager, or e-learning designer, images generated by Midjourney can transform your course materials into memorable visual experiences. From your program's cover to illustrations for each module, including infographics of the educational path, Midjourney allows you to create a cohesive visual identity without hiring a graphic designer. A visually polished training program enhances the credibility of your offering, improves learner engagement, and facilitates understanding of abstract concepts. In this guide, you will discover optimized prompts for generating visuals tailored to each component of your program: cover page, module icons, concept illustrations, progression diagrams, and presentation materials. Each prompt is designed to produce professional results, adaptable to your brand guidelines and ready to be integrated into your digital or printed educational materials.

Midjourney Prompt for Creating E2E Tests

Midjourney, recognized for its power in AI image generation, can play an unexpected but strategic role in creating end-to-end (E2E) tests. While Midjourney does not directly generate test code, it excels in visualizing user journeys, creating reference mockups for visual tests, and producing flow diagrams illustrating test scenarios. By generating precise visual representations of each step of a user journey — from the homepage to order confirmation — you get visual support that facilitates writing comprehensive E2E tests. These visuals serve as living documentation for your QA team, clarify edge cases, and ensure every critical interaction is covered. Whether you're working on a complex web application or a mobile platform, using Midjourney to visually map your test scenarios transforms an abstract process into a concrete workflow shareable with the entire development team.

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.

Gemini Prompt to Create a Social Media Strategy

Social media has become an essential lever for any business looking to increase visibility, engage its community, and generate qualified leads. Yet developing a coherent and high-performing social media strategy remains a challenge: you need to define clear goals, identify the right platforms, create a tailored editorial calendar, and measure results. This is precisely where Gemini becomes a strategic ally. With its analysis and content generation capabilities, Gemini can help you build a custom social media strategy in minutes, where a consultant would take several days. By providing a well-structured prompt including your industry, business objectives, target audience, and available resources, you get a complete action plan with platform recommendations, content pillars, a publishing calendar, and KPIs to track. Whether you are a startup launching, a SME looking to professionalize its online presence, or a marketing manager wanting to optimize your existing strategy, the following prompts will allow you to fully leverage Gemini's potential to transform your approach to social media.