Free AI Prompt Library - ChatGPT, Claude, Gemini

Prompt Gemini for Writing a Business Proposal

Writing a compelling business proposal is a strategic exercise that requires combining a powerful argument, clear structure, and fine personalization. Gemini, Google's artificial intelligence model, excels in this type of task thanks to its ability to synthesize complex information and produce professional texts tailored to a specific context. Whether you are responding to a tender, offering a service, or presenting a custom offer to a prospect, Gemini allows you to save considerable time on writing while maintaining a high level of quality. The AI automatically structures your proposal according to industry standards, integrates your differentiating sales arguments, and adapts the tone to your interlocutor's profile. By providing a well-built prompt with your company context, the client's identified needs, and the key elements of your offer, you get a usable first draft in seconds. This guide offers optimized prompts to get the most out of Gemini in writing your business proposals, from simple format to complete document with technical appendices and pricing grid.

Midjourney Prompt to Create a Prototype

Creating prototypes is a crucial step in any design process, whether for product design, digital interfaces, or physical objects. Traditionally, this phase requires skills in 3D modeling, industrial design, or model making—technical skills that can significantly slow down creative teams. Midjourney upends this approach by enabling the generation of photorealistic prototype visuals in just a few seconds. With well-crafted prompts, you can explore dozens of creative directions, test different materials, shapes, and finishes, and present compelling concepts to clients or investors without using CAD software. Whether you're a product designer looking to quickly validate an idea, an entrepreneur preparing a pitch deck, or a UX team wanting to visualize an interface concept on a physical device, Midjourney offers an unprecedented visual experimentation playground. The main challenge lies in prompt formulation: you need to guide the AI toward a render that resembles a real industrial prototype, with the right materials, appropriate studio lighting, and the level of detail expected by professionals.

Perplexity Prompt to Create a REST API

Perplexity AI stands out from other AI assistants by its unique ability to combine real-time web search and code generation. For creating a REST API, this advantage is significant: Perplexity can check the latest framework versions, verify current security best practices, and rely on the most recent official documentation. Unlike a classic LLM whose knowledge is fixed, Perplexity guarantees recommendations aligned with the state of the art. Whether you are building an API with Node.js/Express, Python/FastAPI, or any other stack, a well-structured prompt allows you to obtain a complete architecture, consistent endpoints, robust error handling, and test examples. The challenge is to formulate your request with enough business context and technical constraints so that Perplexity generates production-grade code, not just a tutorial. This guide provides optimized prompts to get the most out of Perplexity in designing professional REST APIs, from beginner to advanced versions.

Stable Diffusion Prompt to Create a Syllabus

Stable Diffusion offers an innovative visual approach for designing impactful and professional syllabi. Rather than limiting yourself to a classic text document, this AI image generation tool allows you to create visual representations of training programs: structured infographics, illustrated layouts, pedagogical progression diagrams, and attractive course covers. By leveraging Stable Diffusion's capabilities, trainers, teachers, and instructional designers can produce visual materials that accompany and enrich their syllabus. The generated image can serve as a cover page, an illustration for each module, or a summary diagram of the learning journey. This hybrid approach—combining structured textual content with AI-generated visual elements—meets the modern expectations of learners accustomed to multimedia content. In this guide, you will find a main optimized prompt along with variants tailored to different expertise levels, to transform your syllabus into an engaging visual document that captures attention at first glance and facilitates understanding of the proposed educational pathway.

Mistral Prompt for Preparing an Interview

Preparing for a job interview is a decisive step that can determine the outcome of your application. Mistral, the leading French AI model, stands out for its deep understanding of the Francophone job market and the cultural codes specific to interviews in France and Europe. Thanks to its structured reasoning capabilities, Mistral can simulate realistic exchanges with a recruiter, anticipate tricky questions related to your sector, and help you formulate impactful answers that highlight your background. Whether you are applying for a technical, managerial, or commercial position, Mistral tailors its advice to the specific context of the company and the targeted role. The tool excels particularly in preparing for behavioral questions (STAR method), analyzing job offers to identify key expected skills, and building a convincing personal pitch. By combining sector research and personalized coaching, Mistral transforms your preparation into a comprehensive strategic training, far beyond a simple list of questions and answers.

Gemini Prompt to Compare Offers

Comparing commercial offers, whether for a phone subscription, insurance, SaaS software, or a B2B provider, is a time-consuming exercise that requires rigor and method. Gemini, Google's AI, excels at this type of structured analysis thanks to its ability to process large volumes of information and synthesize it into clear comparison tables. Instead of spending hours navigating through PDFs and web pages, you can submit the details of your offers to Gemini and get an objective multi-criteria analysis in seconds. The tool identifies subtle differences between proposals, highlights hidden costs, and can even weight criteria according to your specific priorities. Whether you are an individual comparing quotes for work or a procurement manager evaluating supplier proposals, Gemini turns a tedious process into informed decision-making. This guide provides optimized prompts to get the most out of Gemini in your offer comparisons, with variants suited to every level of expertise.

Gemini Prompt for Writing an Email

Writing professional emails is one of the most time-consuming daily tasks. Whether it's prospecting, following up with a client, responding to a complaint, or simply communicating with your team, finding the right tone and structure can take considerable time. Gemini, Google's AI, excels at generating natural and context-adapted text. By providing a well-structured prompt, you get a ready-to-send email in seconds, with the appropriate formality level, clear structure, and relevant call to action. Gemini's strength lies in its ability to adapt to the requested register: formal for a partner, cordial for a colleague, persuasive for a prospect. This guide offers an optimized prompt along with several variants to cover all your email writing needs, from simple messages to complex strategic communications.

GitHub Copilot Prompt for Analyzing Market Trends

GitHub Copilot, initially designed as a development assistant, proves to be a powerful tool for market trend analysis when used with the right prompts. By leveraging its code generation and data analysis capabilities, you can automate the collection, processing, and visualization of market data directly in your development environment. Whether you are a data analyst, product manager, or entrepreneur, GitHub Copilot allows you to quickly create trend analysis scripts, generate statistical models, and produce actionable visualizations. The key advantage lies in its ability to transform natural language instructions into functional code to scrape data sources, apply trend detection algorithms, and structure results in formats directly usable for decision-making. This code-first approach to market analysis offers reproducibility and scalability that no-code tools cannot match.

Gemini Prompt for Creating Illustrations

Gemini, Google's artificial intelligence model, offers remarkable capabilities for creating original and detailed illustrations. Whether you are a graphic designer, content creator, author, or entrepreneur, knowing how to craft an effective prompt for Gemini allows you to obtain custom illustrations in seconds. The key lies in the precision of your description: artistic style, composition, color palette, mood, and level of detail are all parameters that Gemini can interpret to generate exactly what you envision. Unlike a simple image search, Gemini creates unique visuals that match your creative vision. In this guide, you will discover a main optimized prompt as well as variants adapted to your level of expertise, to turn your ideas into professional illustrations. Whether for a book, a website, a presentation or social media, mastering the art of prompting for Gemini gives you a significant creative advantage without requiring drawing or graphic design skills.

Gemini Prompt for Writing a Speech

Writing a compelling speech is a demanding exercise that requires mastering argumentative structure, oral rhythm, and emotional impact. Whether you are preparing a professional address, a wedding speech, or a conference talk, Gemini can support you at every stage of writing. Thanks to its advanced text generation capabilities, Google's model excels at producing structured content that follows the codes of public speaking. By providing a well-constructed prompt—specifying the context, audience, desired tone, and key messages—you get a coherent, engaging speech tailored to your situation. Gemini particularly stands out for its ability to modulate language register, incorporate rhetorical figures, and build dramatic progression that keeps the audience's attention. Whether you are a beginner speaker looking for a solid foundation or an experienced communicator wanting to save time, this prompt engineering approach allows you to produce professional-quality speeches in minutes.

GitHub Copilot Prompt for Correcting Assignments

GitHub Copilot, the AI assistant integrated directly into your code editor, can be creatively repurposed to correct student, pupil, or collaborator assignments. By leveraging its textual analysis and structured generation capabilities, you can transform Copilot into an intelligent corrector capable of evaluating grammar, spelling, argumentative coherence, and writing quality of any text. The major advantage of Copilot lies in its seamless integration with your work environment: paste the text to be corrected into a file, run the prompt in Copilot Chat, and get a detailed correction with annotations, score, and personalized recommendations. Whether you are a teacher grading essays, a trainer evaluating internship reports, or a manager reviewing professional documents, this approach saves you considerable time while ensuring consistent and objective correction. The prompt proposed here is optimized to produce constructive, kind, and pedagogical feedback, clearly distinguishing factual errors from stylistic awkwardness.

ChatGPT Prompt to Optimize a Landing Page

A high-performing landing page can make the difference between a visitor bouncing and converting into a customer. Yet optimizing every element — from the compelling headline to the call-to-action and argument structure — requires expertise in copywriting, UX, and persuasion psychology. ChatGPT becomes a formidable ally here: by providing the context of your offer, target audience, and conversion goals, it can analyze your existing page, identify friction points, and suggest concrete rewrites. The AI excels particularly at generating headline variations, improving value propositions, and restructuring content blocks to maximize engagement. Whether you're launching a new product, optimizing an existing page, or preparing an A/B test, these prompts will get you actionable recommendations immediately, without needing to hire a specialized agency. You'll save considerable time while benefiting from a methodical analysis of every component of your landing page.