Free AI Prompt Library - ChatGPT, Claude, Gemini
Library of 377 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 377 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, educationβ¦) and comes with concrete examples. You save time by reaching for proven formulations instead of trial-and-error each time.
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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 337-348 of 377 prompts
ChatGPT Prompt to Generate a Database Schema
Designing a database schema is a fundamental step in any software project. A well-thought-out schema ensures data consistency, optimizes query performance, and facilitates long-term maintenance. Yet this task requires expertise in relational modeling, normalization, and choosing suitable data types. ChatGPT can significantly accelerate this process by generating a structured schema from a functional description of your project. By providing the business context, main entities, and expected relationships, you obtain in seconds a complete SQL schema with primary keys, foreign keys, indexes, and constraints. The AI can also suggest optimizations such as targeted denormalization for read-heavy cases, or recommend proven patterns like soft delete or table polymorphism. Whether you are working on a SaaS application, an e-commerce site, or an internal management system, ChatGPT adapts the schema to your chosen DBMS β PostgreSQL, MySQL, SQLite, or SQL Server β while adhering to each engine's conventions and native types.
Midjourney Prompt for Code Refactoring
Midjourney, renowned for its powerful image generation, finds an unexpected yet valuable application in code refactoring. By visualizing software architectures, flow diagrams, and abstract representations of data structures, Midjourney allows developers to conceptualize their refactoring before touching a single line of code. This visual approach helps identify complex dependencies, excessive coupling, and simplification opportunities that often remain invisible in a text editor. By generating clear architectural schemas, module maps, and before/after visualizations, technical teams can communicate more effectively about planned structural changes. Whether you are refactoring a monolith into microservices, reorganizing abstraction layers, or simplifying a legacy codebase, Midjourney transforms abstract concepts into concrete visual representations. This methodology is part of a growing trend of using visual tools to improve code quality and facilitate architectural decision-making within development teams.
Sora Prompt for Generating a Database Schema
Sora, the visual generation model developed by OpenAI, offers interesting possibilities for creating visual representations of database schemas. Instead of working with traditional technical tools like dbdiagram.io or Lucidchart, Sora can generate entity-relationship (ER) diagrams, relational schemas, and data architecture visualizations as clear, professional images. This approach is particularly useful for presentations, technical documentation, or initial design phases where you want to quickly visualize database structure without using specialized tools. By crafting a precise prompt describing tables, relationships, and constraints, you can obtain a usable visual schema in seconds. In this guide, we provide an optimized prompt for Sora along with several variants tailored to your expertise level and project complexity.
Mistral Prompt for Creating a Prototype
Mistral, the leading French AI model, stands out as a powerful tool for accelerating prototype creation. Whether you're developing a web application, an API, or a digital product, Mistral can generate functional code, structure your architecture, and produce a testable prototype in minutes. Unlike a traditional approach where prototyping requires several days of development, using Mistral allows you to quickly validate an idea by obtaining a complete functional skeleton. The model particularly excels at generating structured code, proposing coherent architectures, and creating basic but functional user interfaces. By crafting a precise prompt that describes your product vision, key features, and technical constraints, you get a prototype that serves as a solid foundation for iteration. This approach is especially popular with startups, product managers, and independent developers looking to test a market hypothesis without investing weeks of development. Here's how to leverage Mistral to turn your idea into a concrete prototype.
ChatGPT Prompt to Create a Software Architecture
Software architecture is the backbone of any development project. It determines maintainability, scalability, and performance of an application in the long run. Yet, designing a solid architecture requires deep expertise and a global vision that even experienced developers sometimes struggle to mobilize when faced with new constraints. ChatGPT becomes a strategic ally here: by providing it with a well-structured prompt, you get a complete architecture proposal integrating patterns adapted to your context, justified technology choices, and clearly explained trade-offs. Whether you are launching a startup, migrating a monolith to microservices, or designing a high-availability distributed system, ChatGPT helps you explore architectural options, identify technical risks upfront, and document your decisions. The goal is not to replace the architect, but to significantly accelerate the exploration and formalization phase, producing actionable deliverables from the first iteration.
Mistral Prompt for Creating a Chatbot
Mistral AI, a French flagship of artificial intelligence, offers particularly powerful language models for creating conversational chatbots. Thanks to its native multilingual capabilities and excellent understanding of French, Mistral positions itself as a strategic choice for developing virtual assistants tailored to the Francophone market. Whether you want to create a customer support chatbot, a sales assistant, or an educational companion, Mistral provides the flexibility needed to precisely define the behavior, tone, and limits of your conversational agent. Mistral's architecture allows fine control of responses via structured system prompts, which is essential to ensure a consistent and professional user experience. In this guide, you will discover optimized prompts to configure your Mistral chatbot, from defining its personality to handling edge cases, including integrating knowledge bases specific to your business domain.
GitHub Copilot Prompt to Create a Chatbot
GitHub Copilot has become an essential assistant for developers looking to accelerate the creation of conversational applications. Creating a chatbot involves many technical steps: system architecture, conversation flow management, integration of natural language processing APIs, and implementation of a responsive user interface. With a well-structured prompt, GitHub Copilot can generate the essential code, from the backend for message management to the logic for routing user intents. The challenge is to formulate a request precise enough for Copilot to understand the type of chatbot envisioned (customer support, automated FAQ, virtual assistant), the chosen tech stack, and expected features. An effective prompt allows you to go from idea to functional prototype in a fraction of the usual time, while producing maintainable and extensible code. In this guide, you will find an optimized main prompt as well as variants adapted to your expertise level, to fully leverage GitHub Copilot's potential in creating your chatbot.
Stable Diffusion Prompt for Building a REST API
Stable Diffusion, known for its powerful image generation, can play an unexpected yet valuable role in building a REST API. While the tool doesn't generate code directly, it excels at producing architecture diagrams, data flow charts, documentation interface mockups, and technical visuals that support API development. By visualizing your endpoint structure, resource relationships, and authentication flows, you speed up the design phase and improve communication within your team. A well-crafted prompt yields clear visual representations of your REST architecture: entity-relationship diagrams, routing schemas, HTTP request pipeline illustrations, or monitoring dashboard mockups. These visual assets become living documentation tools that complement your OpenAPI specification. In this guide, we offer optimized prompts for generating professional technical visuals related to REST API design, from architecture diagrams to documentation illustrations and data model representations.
Prompt ChatGPT to Generate SQL Queries
Generating SQL queries is an essential skill for any developer, data analyst, or database administrator. However, writing complex queries involving multiple joins, nested subqueries, or aggregate functions can be time-consuming and error-prone. ChatGPT transforms this practice radically by allowing you to describe your needs in natural language to obtain optimized and functional SQL queries in seconds. Whether you work with MySQL, PostgreSQL, SQL Server, or SQLite, the AI adapts to the specific syntax of your database management system. By providing your table schema and a clear description of what you want, you can generate perfectly structured SELECT, INSERT, UPDATE, or DELETE queries. ChatGPT also excels at line-by-line explanations of generated queries, making it a valuable learning tool for beginners and professionals alike who wish to explore advanced SQL features like CTEs, window functions, or recursive queries.
Sora Prompt for Generating JavaScript Code
Sora, developed by OpenAI, is a versatile artificial intelligence model that can be used to assist in various creative and technical tasks, including JavaScript code generation. Although Sora is primarily known for its video generation capabilities, its integration into the OpenAI ecosystem allows you to leverage its text features to produce functional code snippets. By crafting precise and structured prompts, you can obtain clean, commented, and ready-to-use JavaScript code for your web projects. Whether you need utility functions, interactive components, or complete scripts, the key lies in the quality of your prompt. A well-constructed prompt should specify the usage context, technical constraints, desired code style, and edge cases to handle. In this guide, we offer optimized prompts to get the most out of Sora for JavaScript code generation, with variants suitable for all expertise levels. Discover how to structure your requests to obtain reliable, maintainable code that meets modern web development standards.
Claude Prompt for Creating a Software Architecture
Designing a software architecture is a fundamental step that determines the maintainability, scalability, and robustness of a project. Claude excels in this area thanks to its ability to analyze complex technical constraints, propose suitable architectural patterns, and anticipate design issues before they arise in production. Whether you are starting a new project from scratch, refactoring a monolith into microservices, or evaluating different technology options, Claude can support you at every stage of the decision-making process. By providing precise context about your constraints (team, budget, expected traffic, existing stack), you get argued architectural recommendations, component diagrams, structured ADRs (Architecture Decision Records), and concrete migration plans. The iterative approach with Claude allows you to explore multiple alternatives, compare their trade-offs, and converge towards a solution that balances pragmatism and technical excellence. It's like having a senior software architect available at all times to challenge your ideas and enrich your thinking.
DALL-E Prompt for Code Refactoring
DALL-E, OpenAI's image generation model, may seem a surprising choice for code refactoring. Yet visualization is a powerful lever for rethinking software architecture. By generating conceptual diagrams, architecture schemas, or visual representations of data flows, DALL-E enables developers to step back from their codebase and identify refactoring patterns that escape a linear reading of the code. This visual approach is particularly effective for communicating architectural decisions to a team, documenting a complex refactoring before implementing it, or exploring different modular organizations. Rather than refactoring the code directly, DALL-E intervenes upstream: it produces clear visual representations of the current and target states, facilitating the planning and collective validation of structural changes. Combined with code tools like ChatGPT or Claude, DALL-E completes the workflow by bringing the visual dimension often missing in refactoring processes. This page guides you in creating DALL-E prompts that generate useful architectural visualizations for your refactoring projects.