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Free AI Prompt Library - ChatGPT, Claude, Gemini

Library of 397 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 397 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 253-264 of 397 prompts

πŸ’»DeveloppementIntermediateAll AIs

Sora Prompt to Create a Chatbot

Sora, the video generation model developed by OpenAI, opens fascinating possibilities for creating visual content related to chatbots. Although Sora is primarily an AI video generation tool, it can play a key role in chatbot design by producing demonstration videos, animated tutorials, and realistic video avatars that enrich the conversational experience. By combining Sora with chatbot development platforms, you can create conversational agents with an immersive visual dimension: an animated avatar that responds to users, personalized video sequences generated in real time, or illustrated interactive guides. The approach involves using Sora to produce the visual elements that accompany and humanize your chatbot, transforming a simple textual interface into an engaging multimodal experience. Whether you are developing a customer assistant, an educational chatbot, or a virtual companion, well-crafted Sora prompts will allow you to generate coherent and professional video content that brings your chatbot to life and significantly improves user engagement.

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πŸ’»DeveloppementIntermediateAll AIs

Stable Diffusion Prompt for Creating a Prototype

Creating prototypes is a crucial step in the product design process, and Stable Diffusion is revolutionizing this phase by enabling you to quickly visualize concepts without resorting to complex modeling tools. Whether you're an industrial designer, app developer, or entrepreneur, AI image generation gives you the ability to produce realistic visual mockups in just seconds. Stable Diffusion excels particularly in prototype creation thanks to its ability to interpret precise technical descriptions and generate photorealistic or stylized renders according to your needs. By mastering the right prompts, you can explore dozens of design variations, test different color palettes, materials, and shapes, and then present compelling concepts to your clients or investors. This guide provides you with optimized prompts to transform your ideas into professional visual prototypes, from the initial concept to the final presentation-ready render.

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πŸ’»DeveloppementIntermediateAll AIs

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.

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πŸ’»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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πŸ’»DeveloppementIntermediateClaude

Prompt Claude for Generating SQL Queries

Generating SQL queries is one of the tasks where Claude particularly excels. Whether you are a backend developer, data analyst, or database administrator, formulating complex queries can be time-consuming and error-prone. Claude understands the nuances of different SQL dialects (PostgreSQL, MySQL, SQLite, SQL Server, Oracle) and can transform a natural language description into an optimized and functional query. The AI can handle multiple joins, nested subqueries, advanced aggregation functions, CTEs (Common Table Expressions), and even window functions. By providing Claude with your database schema and a clear description of what you want to obtain, you receive a ready-to-use query along with explanations of the logic used. This significantly speeds up development, reduces bugs related to SQL syntax, and even allows less technical profiles to manipulate complex data with confidence. Claude can also optimize existing queries, detect performance issues, and suggest relevant indexes.

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πŸ’»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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πŸ’»DeveloppementIntermediateAll AIs

DALL-E Prompt for Debugging Code

DALL-E, OpenAI's image generator, offers a unique visual approach to debugging code. Instead of getting stuck on lines of text, you can ask DALL-E to create visual representations of your software architectures, data flows, or error structures. This method is particularly useful for identifying complex logic issues, visualizing dependencies between modules, or understanding a request's path through a distributed system. By generating diagrams, flowcharts, or conceptual illustrations of your code, you activate spatial thinking that complements traditional textual analysis. Developers who adopt this approach report a better understanding of bugs related to race conditions, memory leaks, and infinite loops. DALL-E doesn't replace your debugger, but it transforms an abstract problem into a concrete image you can analyze, share with your team, and annotate. It's a visual thinking tool that integrates into your existing debugging process to accelerate the resolution of the most stubborn issues.

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πŸ’»DeveloppementIntermediateAll AIs

Stable Diffusion Prompt for Debugging Code

Stable Diffusion, known for its power in image generation, can become an unexpected ally in the code debugging process. By generating conceptual visualizations β€” flow diagrams, software architecture representations, error schematics, or dependency maps β€” this tool enables developers to better understand their code structure and visually identify failure points. Instead of reading hundreds of lines of logs, imagine producing a clear illustration of your program's execution path, highlighting bottlenecks and infinite loops. Stable Diffusion excels at creating technical visual representations when the prompt is properly structured: by specifying the desired diagram type, the programming language involved, and the nature of the bug being hunted, you obtain images that serve as powerful thinking aids. This visual approach to debugging perfectly complements traditional tools like debuggers and profilers, offering a different perspective on complex problems. Whether you're facing memory leaks, logic errors, or concurrency issues, a well-crafted prompt transforms Stable Diffusion into a formidably effective visual diagnostic tool.

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πŸ’»DeveloppementIntermediateAll AIs

Midjourney Prompt for Documenting Code

Code documentation is a fundamental pillar of software development, but it often suffers from a painful lack of explanatory visuals. Midjourney opens up a new dimension by enabling the creation of conceptual illustrations, stylized diagrams, and visual representations that make technical documentation accessible and engaging. Instead of being limited to monotonous blocks of text, developers can now generate architecture schemas, visual metaphors to explain design patterns, or infographics illustrating data flow within an application. These visuals do not replace inline code comments, but they significantly enrich wikis, READMEs, onboarding guides, and technical presentations. The key is to craft prompts that are precise enough to produce images that truly serve code comprehension, avoiding overly artistic renderings that would lose their informative value. With the right parameters, Midjourney becomes a formidably effective technical communication tool for development teams.

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πŸ’»DeveloppementIntermediateAll AIs

Midjourney Prompt for Creating a REST API

Midjourney, renowned for its AI-powered image generation capabilities, can play an unexpected yet strategic role in creating a REST API. While Midjourney doesn't generate code directly, it excels at visualizing software architectures, endpoint schemas, data flow diagrams, and API documentation interface mockups. Before coding a REST API, the visual design phase is crucial: it helps clarify resource structure, entity relationships, authentication flows, and expected responses. By using precise prompts in Midjourney, you can generate professional architectural diagrams, visual database schemas, illustrations for your Swagger or OpenAPI documentation, and graphical representations of your endpoints. These visuals then serve as communication aids for your development team, stakeholders, or technical documentation. This hybrid approach between visual design and backend development allows you to design clearer, better-documented, and more maintainable REST APIs. Discover how to craft your Midjourney prompts to transform your REST API design process.

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πŸ’»DeveloppementIntermediateAll AIs

GitHub Copilot Prompt for Debugging Code

Debugging is one of the most time-consuming tasks in software development. GitHub Copilot, integrated directly into your code editor, can significantly speed up this process by analyzing your code, identifying likely causes of a bug, and suggesting targeted fixes. Unlike manual searches on Stack Overflow or in documentation, Copilot has access to the full context of your file and project, allowing it to provide more relevant diagnostics. Whether you are facing a runtime error, unexpected behavior, or a performance issue, a well-structured prompt enables Copilot to act as an experienced pair programmer reviewing your code with fresh eyes. The goal is not simply to fix a line, but to understand the root cause of the problem to prevent it from recurring. In this guide, you will find optimized prompts to fully leverage GitHub Copilot's debugging capabilities, suited for different expertise levels and common bug types encountered daily.

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πŸ’»DeveloppementIntermediateAll AIs

Sora Prompt for Creating a Prototype

Sora, OpenAI's video generation model, opens up unprecedented possibilities for rapid prototyping. Rather than spending hours on static mockups or complex animations, you can now visualize a product concept, user interface, or customer journey in minutes with a well-structured prompt. Creating a prototype with Sora allows you to test ideas visually before investing in development, communicate a vision to a team or investors, and iterate quickly on concepts. Whether you are a UX designer, product manager, or entrepreneur, the ability to transform a textual description into a realistic video demonstration fundamentally changes the ideation phase. The main challenge lies in crafting the prompt: a too vague prompt will produce a generic video, while a structured prompt with precise details on the interface, interactions, and usage context will generate a convincing and usable prototype. This guide provides optimized prompts to obtain professional-grade video prototypes with Sora.

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