📚 500+ Free AI Prompts

Free AI Prompt Library

Browse & copy 500+ hand-crafted, tested prompts for ChatGPT, Claude & Gemini — organized by model, use case & industry.

 Updated Weekly · ⭐ 4.9/5 Rating · 🌍 180+ Countries

Works with ChatGPT · Claude · Gemini · Copilot · Mistral · Llama

500+

Free Prompts

12

Categories

8

AI Models Covered

100%

Free · No Login

📊 Marketing ChatGPT Claude

Email Marketing Strategy for SaaS

Act as a senior email marketing strategist with 10 years of SaaS experience. Create a 6-week email nurture sequence for a B2B SaaS product targeting mid-market companies. Include subject lines, preview text, key messaging, and CTAs for each email. Focus on onboarding, feature adoption, and upsell triggers. Tone: professional yet conversational.

🔍 SEO ChatGPT Gemini

SEO Content Strategy & Keyword Clusters

You are an expert SEO consultant specializing in content strategy for B2B companies. For the topic [INSERT TOPIC], create a complete keyword cluster with: 1 pillar page topic, 8 supporting cluster articles, primary & secondary keywords for each, search intent classification, and suggested meta descriptions. Format as a structured content calendar.

💻 Coding ChatGPT Claude

Python Data Analysis & Visualization

Act as a senior Python data scientist. I have a CSV dataset with [DESCRIBE YOUR DATA]. Write clean, well-commented Python code using pandas and matplotlib/seaborn to: load and inspect the data, handle missing values, perform exploratory data analysis, and create 3 meaningful visualizations. Include interpretation of each chart and next steps for deeper analysis.

💼 Business All Models

SaaS Business Plan & Financial Projections

You are an experienced startup advisor and business plan writer. Create a comprehensive business plan for a SaaS product called [PRODUCT NAME] that solves [PROBLEM] for [TARGET MARKET]. Include: executive summary, market analysis, competitive landscape, go-to-market strategy, pricing model, 3-year financial projections (MRR, churn, CAC, LTV), and funding requirements.

✍️ Writing Claude ChatGPT

Long-Form SEO Blog Post (2,000+ Words)

Act as an expert content writer and SEO specialist. Write a comprehensive, 2,000+ word blog post about [TOPIC] targeting the keyword [PRIMARY KEYWORD]. Structure: engaging H1, meta description, introduction with a hook, 5–7 H2 sections with H3 subsections, real examples, data points, a FAQ section, and a strong CTA. Tone: [TONE]. Make it E-E-A-T compliant.

📱 Social Media ChatGPT Gemini

30-Day Social Media Content Calendar

You are a social media strategist specializing in [INDUSTRY]. Create a 30-day content calendar for [BRAND NAME] across LinkedIn, Instagram, and Twitter/X. For each day: post type (educational, promotional, engagement, story), caption draft, hashtags, and best posting time. Include a content mix: 60% educational, 20% promotional, 20% community engagement. Audience: [DESCRIBE AUDIENCE].

🔬 Research Claude

Academic Research Paper Structure & Outline

Act as an academic research advisor with expertise in [FIELD]. Help me structure a research paper on [TOPIC]. Provide: a compelling thesis statement, detailed outline (abstract, intro, literature review, methodology, results, discussion, conclusion), 10 suggested peer-reviewed sources to investigate, key arguments for each section, and common pitfalls to avoid. Citation style: [APA/MLA/Chicago].

🎨 Creative Claude ChatGPT

Short Story — Character-Driven Narrative

You are a literary fiction author known for vivid, character-driven storytelling. Write a 1,200-word short story set in [SETTING] featuring a protagonist who [CHARACTER SITUATION]. The story should explore the theme of [THEME]. Use: rich sensory details, subtext-heavy dialogue, a non-linear structure, and an ambiguous but satisfying ending. Genre: [GENRE]. Avoid clichés.

What is an AI Prompt Library?

An AI prompt library is a curated, searchable collection of pre-written, tested prompts designed to get the best possible results from AI tools like ChatGPT, Claude, and Gemini. Instead of spending time crafting prompts from scratch — and often getting generic, disappointing results — you can browse, copy, and instantly use professionally engineered prompts for any task.

GPTNest’s free AI prompt library contains 500+ hand-crafted prompts organized by category (marketing, coding, writing, research, business), AI model (ChatGPT, Claude, Gemini, universal), and industry. Every prompt is tested in real AI workflows before being added — no filler, no fluff.

Why Use a Prompt Library Instead of Writing From Scratch?

  • Save hours — Copy and use proven prompts instantly instead of spending 20+ minutes crafting and testing your own.
  • Get better results — Every library prompt uses expert prompt engineering frameworks for maximum AI output quality.
  • Learn by example — Study how professional prompts are structured to improve your own prompt writing skills.
  • Model-specific optimization — Prompts tagged by AI model are tailored to each model’s strengths and response style.
  • Constantly expanding — New prompts added weekly based on real user needs and emerging AI capabilities.

Frequently Asked Questions

Are all 500+ prompts really free?
Yes. Every prompt in the GPTNest library is completely free to copy and use. No account, no signup, no credit card required. Our mission is making effective AI accessible to everyone — that starts with a free prompt library.
Which AI models do the prompts work with?
All prompts work with ChatGPT (GPT-4o, GPT-4), Claude 3 Opus/Sonnet/Haiku, Gemini 1.5 Pro/Flash, Microsoft Copilot, Mistral, Llama 3, and any AI tool that accepts text input. Prompts tagged “All Models” are model-agnostic. Model-specific prompts are optimized for that model’s strengths.
How often are new prompts added?
The library is updated weekly with new prompts based on user requests, emerging AI capabilities, trending use cases, and real-world testing. All new prompts go through a quality check before being published — ensuring every prompt in the library produces genuinely useful AI output.
Can I submit a prompt to the library?
Yes! We welcome community prompt submissions. If you have a prompt that consistently produces excellent results, contact us via the GPTNest contact page. Accepted prompts are credited to the contributor and added to the public library.

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