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Free AI Prompt Library - ChatGPT, Claude, Gemini

Library of 447 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 447 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 409-420 of 447 prompts

ProductiviteIntermediateClaude

Claude Prompt for Brainstorming Ideas

Brainstorming is one of Claude's major strengths, capable of generating dozens of original ideas in seconds where a human team would take hours. Unlike a simple list of generic ideas, a well-structured prompt allows Claude to explore unexpected angles, cross different fields, and produce truly actionable concepts. Whether you are looking for product ideas, content ideas, marketing campaign ideas, or feature ideas, Claude excels when given a clear framework while still allowing creative freedom. The key lies in the combination of precise constraints (context, audience, objectives) and divergent thinking techniques (analogies, inversion, forced associations). By mastering brainstorming prompts, you turn Claude into a tireless creative partner that never judges, never self-censors, and can simultaneously explore conservative and radically innovative paths. This guide provides optimized prompts to get the most out of Claude's creativity, from quick brainstorming to structured sessions with multi-criteria evaluation.

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ProductiviteIntermediateAll AIs

Perplexity Prompt to Automate Tasks

Perplexity AI stands out from traditional search engines by its ability to synthesize information from multiple sources in real-time, making it a formidable tool for automating repetitive or complex tasks. Whether you're looking to automate competitive monitoring, generate periodic reports, extract structured web data, or create reproducible research workflows, Perplexity can become the core of your automation system. By crafting precise and structured prompts, you turn Perplexity into an assistant capable of producing consistent and actionable results, ready to be integrated into your existing tools via its API or intelligent copy-paste. The challenge is not just to ask a question, but to design a prompt that clearly defines the output format, preferred sources, desired execution frequency, and filtering criteria. This methodical approach saves you several hours per week on research, synthesis, and reporting tasks that you previously performed manually.

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ProductiviteIntermediateAll AIs

Mistral Prompt for Automating Tasks

Mistral, the leading French AI model, stands out for its ability to understand and execute complex automation instructions. Whether you are an entrepreneur, developer, or operations manager, Mistral can turn your manual workflows into intelligent automated processes. Thanks to its optimized architecture and nuanced understanding of context, Mistral excels at creating automation scripts, generating conditional rules, and orchestrating repetitive tasks. Prompt-driven automation delegates the design of complete workflows to AI: email sorting, report generation, data transformation, or even content scheduling. Unlike simple code copy-pasting, a well-structured prompt allows Mistral to adapt to your specific business context and produce bespoke solutions. In this guide, you will discover a core prompt optimized for Mistral, along with three variants tailored to your expertise level. Each prompt is designed to leverage Mistral's strengths: execution precision, adherence to constraints, and the ability to generate structured outputs directly usable in your automation tools like Zapier, Make, or n8n.

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ProductiviteIntermediateChatGPT

ChatGPT Prompt for Brainstorming Ideas

Brainstorming is a crucial step in any creative process, but it's easy to go in circles or get stuck on conventional ideas. ChatGPT excels in this area by acting as a tireless thinking partner, capable of generating dozens of leads in seconds. Unlike classic brainstorming where cognitive biases and fear of judgment limit creativity, AI proposes unexpected idea associations by drawing from various fields. Whether you are looking for a concept for a new product, angles for a marketing campaign, article topics, or solutions to a complex problem, a well-structured prompt turns ChatGPT into a true idea machine. The key lies in how you formulate your request: the more context you provide about your goal, constraints, and desired outcome, the more relevant and actionable the generated ideas will be. This guide offers an optimized prompt as well as several variants to adapt your brainstorming session to your level of requirement and the complexity of your project.

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ProductiviteIntermediateAll AIs

Sora Prompt to Create a Presentation

Sora, the video generation model developed by OpenAI, opens up unprecedented possibilities for creating visually captivating presentations. Rather than limiting yourself to traditional static slides, Sora allows you to generate dynamic video sequences that illustrate your ideas with remarkable visual impact. Whether you are preparing a pitch for investors, a professional conference, or internal training, Sora transforms your concepts into realistic or stylized animated scenes. The tool particularly excels at creating smooth transitions, visual metaphors, and product demonstrations that would otherwise be impossible to film. By crafting precise prompts that describe the visual style, tempo, and content of each sequence, you obtain professional clips ready to be integrated into PowerPoint, Keynote, or any other presentation software. This guide offers optimized prompts to fully leverage Sora's potential in a presentation context, covering various complexity levels and common use cases.

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ProductiviteIntermediateClaude

Claude Prompt for Creating a Knowledge Base

Creating a structured knowledge base is a major challenge for any organization looking to capitalize on its expertise. Claude excels at this task thanks to its ability to analyze, organize, and synthesize large amounts of information into coherent categories. Whether you want to document internal processes, centralize business expertise, or build a help center for your users, Claude guides you through every step: identifying key themes, hierarchically structuring content, writing clear and consistent articles, and creating links between different entries. The AI adapts to your field of activity and the technical level of your audience to produce a knowledge base that truly answers your readers' questions. By providing a well-constructed prompt, you get a complete architecture ready to be deployed on your wiki, intranet, or customer support platform.

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ProductiviteIntermediateAll AIs

DALL-E Prompt for Creating a Knowledge Base

DALL-E, the AI image generator developed by OpenAI, is a strategic asset for building a visual and engaging knowledge base. Instead of relying on plain text, a knowledge base enriched with custom illustrations makes understanding, memorization, and navigation easier. With DALL-E, you can generate explanatory diagrams, conceptual infographics, thematic icons, and process illustrations that turn complex information into clear, accessible visuals. Whether you're building an internal wiki, product documentation, or a customer help center, DALL-E-generated visuals add an educational dimension impossible to achieve with simple stock image libraries. The tool excels particularly at creating custom conceptual diagrams, visual metaphors, and technical illustrations that perfectly align with your brand guidelines. In this guide, we offer optimized prompts to consistently produce coherent, professional visuals for every section of your knowledge base.

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ProductiviteIntermediateGemini

Gemini Prompt for Creating a Knowledge Base

Creating a structured knowledge base is a major challenge for any organization looking to centralize its knowledge. Gemini, thanks to its ability to process large volumes of information and understand relationships between concepts, is a formidable ally for this task. Whether you are starting from scratch or looking to organize existing scattered documentation, Gemini can help you define a coherent taxonomy, structure articles, establish links between topics, and ensure intuitive navigation. The AI excels especially at identifying documentation gaps and suggesting missing content. By combining its contextual analysis capabilities with an extended context window, Gemini can ingest your source documents, FAQs, support tickets, and internal procedures to extract an actionable knowledge architecture. This guide offers optimized prompts for each stage of creating your knowledge base, from the initial audit to writing articles, including defining categories and setting up an effective tag system.

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ProductiviteIntermediateChatGPT

ChatGPT Prompt to Optimize a Workflow

Workflow optimization is a major productivity lever, whether for a development team, a marketing department, or complex project management. ChatGPT excels at analyzing existing processes and suggesting concrete improvements. By accurately describing your current workflow—its steps, pain points, tools, and actors—you get a clear mapping of inefficiencies and a structured action plan to eliminate them. The AI identifies automatable repetitive tasks, bottlenecks, redundant steps, and unnecessary handoffs between teams. It can also suggest suitable tools, process templates, and performance indicators to measure the impact of changes. Whether you aim to reduce customer request processing time, streamline your content pipeline, or rationalize your approval processes, a well-crafted prompt turns ChatGPT into an operational optimization consultant capable of producing actionable recommendations in seconds.

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ProductiviteIntermediateAll AIs

Stable Diffusion Prompt for Brainstorming Ideas

Stable Diffusion is much more than a simple image generator: it's a powerful visual brainstorming tool that lets you explore concepts, artistic directions, and creative ideas in seconds. Unlike traditional brainstorming methods that rely solely on text and abstract imagination, Stable Diffusion materializes your ideas in visual form, revealing unexpected associations and creative paths you might never have considered. Whether you're a designer seeking an artistic direction, an entrepreneur visualizing a product concept, or a content creator looking for inspiration, using Stable Diffusion for brainstorming radically transforms your creative process. By crafting exploratory prompts and rapidly iterating on the results, you can generate dozens of visual variations in minutes, identify emerging aesthetic trends, and progressively refine your vision. This AI-assisted visual brainstorming approach dramatically accelerates the ideation phase and allows you to communicate your concepts tangibly to collaborators or clients.

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ProductiviteIntermediateAll AIs

DALL-E Prompt for Automating Tasks

DALL-E, OpenAI's image generation model, can become a powerful lever for automating the creation of recurring visual content. Rather than hiring a graphic designer for every blog visual, YouTube thumbnail, or social media banner, a well-structured prompt allows you to produce consistent images in seconds. Automation relies on standardization: by defining a style, format, and precise constraints in your prompts, you create reusable templates that you can integrate into workflows via the OpenAI API, no-code tools like Make or Zapier, or even Python scripts. This approach is particularly effective for marketing teams producing dozens of visuals weekly, e-commerce merchants needing to generate product lifestyle images, or content creators aiming to maintain a strong visual identity without repetitive manual effort. The key lies in the ability to write prompts precise enough to guarantee consistency across generations, while remaining flexible enough to adapt to different subjects.

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ProductiviteIntermediateChatGPT

ChatGPT Prompt for Planning a Meeting

Effective meeting planning requires rigor and foresight. Between defining objectives, selecting participants, preparing the agenda, and managing logistics, the steps are numerous and often time-consuming. ChatGPT becomes a valuable ally to structure this process from start to finish. By providing the context of your meeting — type, participants, duration, stakes — you get in seconds a complete plan including a detailed agenda, key questions to address, time allocation per topic, and even an invitation template to send to participants. The AI particularly excels at prioritizing topics according to their importance, formulating measurable objectives for each agenda item, and suggesting facilitation formats suited to the meeting type. Whether you are organizing a weekly team meeting, a strategic steering committee, or a brainstorming workshop, ChatGPT adapts its recommendations to the specific context. You thus save considerable time while ensuring that each meeting is productive and well-framed from its conception.

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