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Free AI Prompt Library - ChatGPT, Claude, Gemini

Library of 4178 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 4178 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 2821-2832 of 4178 prompts

💻DeveloppementIntermediateAll AIs

Perplexity Prompt for Generating Unit Tests

Perplexity stands out from other AI tools by combining real-time web search with code generation. For creating unit tests, this advantage is significant: Perplexity can identify current best practices in testing, conventions of frameworks like Jest, Pytest or JUnit, and apply them directly to your code. Unlike a classic LLM that relies solely on its training data, Perplexity checks the APIs and function signatures of the most recent test libraries, reducing errors from outdated versions. Whether you are testing a simple utility function, a service with external dependencies, or a React component with user interactions, a well-structured prompt yields tests covering nominal cases, edge cases, and error scenarios. This page provides you with optimized prompts to fully leverage Perplexity in your testing workflow, from the beginner developer discovering tests to the technical lead seeking exhaustive coverage with mocks and stubs.

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📊Analyse de donnéesIntermediateAll AIs

Stable Diffusion Prompt for Analyzing Customer Reviews

Stable Diffusion, renowned for AI image generation, can be creatively repurposed to support customer review analysis. While not a textual analysis tool per se, Stable Diffusion excels at creating visual representations that synthesize sentiments, themes, and trends extracted from customer feedback. By transforming qualitative data into striking visuals—stylized word clouds, conceptual infographics, illustrated dashboards—you make your insights accessible to all stakeholders. This approach is especially useful for marketing and product teams who want to present review analysis results as impactful visual assets during meetings or in reports. The prompt provided here guides you in generating visualizations that capture the essence of customer feedback: satisfaction, recurring frustrations, improvement suggestions. Combined with an upstream textual analysis tool, Stable Diffusion becomes a powerful ally to bring your customer data to life and facilitate decision-making based on concrete, visually memorable insights.

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📢MarketingIntermediateAll AIs

Perplexity Prompt for Creating a Social Media Strategy

Perplexity stands out from other AI tools with its ability to conduct real-time web research, making it a formidable ally for developing a social media strategy grounded in current data. Unlike a classic chatbot that relies on static knowledge, Perplexity can analyze current social media trends, identify high-performing formats, and cross-reference diverse sources to produce strategic recommendations rooted in market reality. Whether you are a community manager, entrepreneur, or marketing manager, using Perplexity to build your social media strategy saves hours of competitive monitoring and market analysis. The tool automatically synthesizes best practices per platform, industry benchmarks, and content opportunities you might otherwise miss. The prompt below is designed to extract maximum value from Perplexity in a single structured request, guiding the AI through every essential component of a complete and actionable social media strategy.

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💻DeveloppementIntermediateAll AIs

Prompt DALL-E to Create a Prototype

Creating visual prototypes is a crucial step in any product design process. Traditionally reserved for designers with specialized tools like Figma or Sketch, this phase can now be accelerated with DALL-E. By generating realistic visual mockups from text descriptions, DALL-E allows entrepreneurs, product managers, and developers to quickly materialize their ideas without advanced graphic skills. Whether you want to visualize a mobile app interface, a physical product, or an architectural concept, DALL-E transforms your descriptions into compelling visual representations. This approach considerably reduces the time between ideation and the first visual iteration, going from several days to a few minutes. The AI-generated prototype then serves as a basis for discussion with stakeholders, investors, or potential users, facilitating the collection of concrete feedback before investing in costly development. Mastering the art of prompting for prototype generation with DALL-E thus becomes a strategic skill for anyone wishing to innovate quickly and effectively.

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⚖️LegalIntermediateGemini

Gemini Prompt for Analyzing a Contract

Contract analysis is a time-consuming task that requires careful attention to legal details. Gemini, thanks to its ability to process long and complex documents, proves to be a valuable ally for dissecting contractual clauses. Whether you are an entrepreneur, freelancer, or legal manager, using Gemini to analyze a contract allows you to quickly identify critical points: unfair clauses, hidden obligations, unfavorable termination conditions, or ambiguity zones that could lead to disputes. AI does not replace a lawyer, but it constitutes a remarkably effective first filter to understand the scope of a commitment before signing. By structuring your prompt precisely, you will obtain a clear, hierarchical, and actionable analysis that highlights risks and priority negotiation points. This guide provides optimized prompts to get the most out of Gemini in contract analysis, from a simple rental lease to a complex service agreement.

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📊Analyse de donnéesIntermediateAll AIs

GitHub Copilot Prompt to Analyze Customer Reviews

GitHub Copilot, GitHub's AI assistant integrated into code editors, is not limited to code generation. It also excels in analyzing textual data such as customer reviews. By leveraging its natural language processing capabilities directly in your development environment, you can automate sentiment extraction, thematic categorization, and trend identification from thousands of user feedback entries. Whether you are working on a Python script, a Jupyter notebook, or a Node.js application, Copilot helps you structure your analysis pipelines without leaving your IDE. This approach is particularly valuable for product and data teams looking to transform raw reviews into actionable insights: detection of recurring friction points, satisfaction assessment by feature, and tracking sentiment evolution over time. The prompt we propose here is designed to guide Copilot in creating a comprehensive analysis system, from data parsing to generating synthetic reports usable by business teams.

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🎨CreativiteIntermediateGemini

Gemini Prompt for Creating Images

Gemini, Google's artificial intelligence model, now integrates advanced image generation capabilities directly into its responses. Unlike traditional image generators, Gemini combines deep linguistic understanding with visual generation, allowing you to create images from highly detailed text descriptions in English. Whether you are a graphic designer looking to quickly prototype concepts, an entrepreneur creating visuals for your social media, or simply curious about AI-assisted creation, mastering the art of prompting for Gemini will save you considerable time. The key lies in the precision of your instructions: artistic style, composition, lighting, color palette, and overall atmosphere are all parameters that Gemini can interpret to produce stunning results. In this guide, you will find an optimized main prompt as well as variants adapted to your level, to get the most out of image generation with Gemini.

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💼BusinessIntermediateClaude

Claude Prompt to Create a Business Plan

Creating a solid business plan is a crucial step for any entrepreneur, but the process can be long and complex. Claude, Anthropic's AI assistant, excels at structuring information and strategic analysis, making it a valuable ally for drafting a professional business plan. Thanks to its ability to synthesize market data, model financial projections, and articulate a clear value proposition, Claude guides you through each section of the document: executive summary, market analysis, business strategy, operational plan, and financial forecasts. Whether you are preparing a document for investors, a bank loan application, or simply an internal roadmap, a well-crafted prompt helps you obtain a structured, coherent business plan tailored to your industry. The prompt engineering approach lets you guide Claude toward a customized result, integrating your specific data and strategic goals to produce a truly actionable document.

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📢MarketingIntermediateAll AIs

Perplexity Prompt for Creating an Email Campaign

Perplexity is a conversational search tool that excels at gathering up-to-date information and synthesizing data from multiple sources. For creating an email campaign, Perplexity stands out for its ability to analyze current market trends, email marketing best practices, and the most effective segmentation strategies. Unlike a standard chatbot, Perplexity relies on verifiable sources to provide recommendations grounded in real data. Whether you're launching a welcome sequence, a promotional campaign, or a nurturing series, Perplexity helps you structure every element — from the subject line to the call-to-action — by drawing on industry benchmarks. The tool is particularly useful for researching average open rates in your industry, identifying the best-converting formats, and crafting emails that follow deliverability best practices. Here is an optimized prompt to fully leverage Perplexity's research capabilities in designing a comprehensive and effective email campaign.

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💻DeveloppementIntermediateAll AIs

Sora Prompt for Generating SQL Queries

Sora, developed by OpenAI, is primarily known as a video generation model, but its integration into the OpenAI ecosystem also makes it possible to leverage its text capabilities for technical tasks like generating SQL queries. By crafting precise and structured prompts, you can obtain optimized SQL queries tailored to your database schema and business needs. Whether you work with MySQL, PostgreSQL, SQL Server, or SQLite, a well-constructed prompt allows you to generate complex queries including joins, subqueries, aggregations, and window functions. The major advantage lies in the model's ability to understand a natural language description and transform it into a syntactically correct and performant query. This approach is particularly useful for developers looking to speed up their workflow, data analysts who are not fully proficient in SQL, or teams needing to quickly prototype queries on complex schemas. In this guide, we provide optimized prompts to get the most out of Sora for generating SQL queries, with variants suitable for each expertise level.

094
📢MarketingIntermediateAll AIs

Sora Prompt for SEO Optimization

Sora, OpenAI's video generation model, opens up unprecedented opportunities for natural referencing. By 2026, video accounts for over 80% of web traffic and Google heavily integrates video results into its SERPs. With Sora, you can quickly produce SEO-optimized videos: tutorials, product demonstrations, answers to frequently asked questions, or explanatory content that captures user and search engine attention. The key advantage lies in the ability to generate video content at scale, targeting specific keywords and precise search intents. Each video becomes an additional entry point in Google, YouTube, and video featured snippets results. By combining a well-structured Sora prompt with a solid SEO strategy — optimized titles, keyword-rich descriptions, automatic captions — you multiply your chances of appearing on the first page. This guide offers tested and refined prompts to turn Sora into a true organic acquisition lever, whether you are a content creator, marketing manager, or SEO consultant.

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📢MarketingIntermediateAll AIs

Mistral Prompt to Create an Email Campaign

Mistral, the artificial intelligence model built by French startup Mistral AI, proves to be a remarkably powerful tool for designing high-performing email campaigns. Thanks to its advanced understanding of French and its ability to generate structured marketing content, Mistral supports you at every step of the creation process: defining the strategy, writing catchy email subject lines, designing the message body, and optimizing calls to action. Whether you are preparing a welcome sequence for new subscribers, a promotional campaign for a product launch, or a nurturing series to convert your leads, Mistral can produce emails tailored to your audience, brand tone, and business goals. Its main strength lies in its ability to personalize content based on specific segments while maintaining editorial consistency across the entire sequence. This guide offers optimized prompts to fully leverage Mistral's capabilities in designing email campaigns that generate measurable opens, clicks, and conversions.

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