Craft perfect prompts in seconds
Turn a rough idea into a finished, model-ready prompt. Built for work you have to deliver.
Tuned for the model you use, including Claude, Gemini, ChatGPT and Grok.
25 free prompts a month. No credit card required. Watch the demo
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You get
- Role
- You are a B2B content strategist writing for a technical audience.
- Task
- Write a LinkedIn post announcing a pricing change, leading with the customer benefit rather than the change itself.
- Constraints
- 150 words max. No emoji. One concrete number. End on a question that invites replies.
Optimized for the AI models you already use
Stop rewriting promptsStart getting results
Get a solid first draft in seconds, refine it in chat, and reuse your best versions anytime.
The old way
- Rewrite the same prompt for different AI models
- Spend 15+ minutes crafting and re-crafting prompts
- Get inconsistent, vague, or off-target outputs
- Jump between tools to test prompts and follow-ups
- Lose the "good version" across messy chat threads
- Waste tokens on retries instead of results
The Prompt Builder way
- Generate prompts tuned for your target model
- Refine quickly in a built-in chat workspace
- Save, pin, and organize prompts in your Library
- Upgrade existing prompts with the Optimizer
- Run prompts inside Prompt Builder with Assistant (Grok, Gemini, GPT, DeepSeek, and more)
Pick a target model → Generate → Refine → Save/Pin → Run
Everything you need to build better prompts
Generate, optimize, and refine prompts tuned to your model, with reusable instructions, follow-ups, and full version history.
Prompt Generator
Describe your idea, pick a target model, and Prompt Builder turns it into a complete, model-ready prompt in seconds, structured, detailed, and ready to run.
Optimizer
Already have a prompt you use? Paste it into the Optimizer and Prompt Builder analyzes it, asks up to three quick questions, and rebuilds it stronger.
Instructions
Save reusable instructions for voice, context, and constraints, and have them applied to every prompt you generate. No more re-explaining yourself each time.
Improve your prompt
Answer up to three quick clarifying questions and Prompt Builder regenerates a sharper, more complete prompt tailored to exactly what you meant.
Follow-up prompts
After each build you get contextual next-step suggestions, from variations to wild-card ideas, so you can keep exploring with a single click.
Additional context
See the assumptions the engine made while writing your prompt. Full transparency into how your idea became a finished prompt.
Versioning
Every refine is tracked on a timeline. Compare where you started, and revert to any earlier version whenever you want.
Trusted by people who use AI for real work
From marketers and consultants to founders and researchers, Prompt Builder helps people get clearer prompts, better outputs, and fewer retries.
David
We all know that the quality of your prompts has a big impact on the quality of the results. PromptBuilder is one of the best apps doing this job extremly well. Do not hesitate
Ben
Great product. Simple to use and quick to produce results. Excellent for anyone seeking dependable, polished results.
Reuel
Nice product. The best software to create prompt to video, stories, content, etc.
Alemzhan
Prompt Builder is a great prompt refinement tool. I've been using it to boost my productivity and save time on crafting prompts. Sometimes getting the right prompt can be tricky, but that's where Prompt Builder comes in and takes the stress away. Nothing is perfect, but it's a lot better than doing it manually. The tool is still being improved and developed. I think it's really helpful, and remember that these tools are the building blocks and kickstarters for new emerging SaaS.
Damiano
It is a very useful tool to create easily very detailed prompts customized for each main LLM. It still needs some features and implementations, but being a new product I'm happy that I supported the team with a lifetime plan so that I will receive the new updates!
Renovality
Prompt Builder has completely transformed the way I create and manage prompts. The workflow is intuitive, smooth, and designed with real usability in mind. What impresses me most is the output quality: the generated prompts consistently outperform anything manually written. It feels like having a creative partner who understands context perfectly and saves hours of work. Highly recommended for anyone serious about getting top-tier AI results.
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Joseph Evans
Great product for a newbie learning AI like me. It helps to build good usable prompts that get results. I would definitely recommend!!!
Thomas T.
The quality of the prompt in AI will results in the quality of the answers provided by said AI. Promptbuilder assistance made the process a brief.
Baski N.
It's pretty good at generating exhaustive prompts which otherwise may not be possible.
Leroi B.
Simple and intuitive to use without any prior prompt engineering experience needed. While I am an experienced AI prompt engineer PromptBuilder save me time by generating complex prompts for me to refine as needed and save to the very useful prompt library. A really good product for a bargain price.
Shih Kan Chiu
PromptBuilder is a solid addition to my technical workflow. Dealing with complex data analysis and development tasks, I find the structured prompt generation incredibly efficient. The lifetime subscription offers fantastic value, providing long-term optimization without recurring costs. It streamlines the creative process, ensuring high-quality outputs for various technical projects. Highly recommended for power users who value daily precision and efficiency.
Stop Guessing What Each Model Needs
Pick the model you're using and Prompt Builder adapts the prompt structure and output format to match. You get better results with fewer retries.
Prompts tuned for each model, not one-size-fits-all
Use Prompt Builder as a ChatGPT prompt generator, Gemini prompt generator, Grok prompt generator, or Claude prompt generator. Pick your target model and we tailor structure, constraints, and output format so you get better responses with fewer retries.
Prompts for the work you get paid for
Start from a set built for your kind of work, then refine and save your best versions.
Client work
Proposals, scopes, and client reporting
Marketing
Campaign copy, briefs, and positioning
Consulting
Diagnostics, analysis, and presentations
Freelancing
Pitches, deliverables, and follow-ups
Content
Scripts, hooks, and repurposing
Product
Specs, roadmaps, and PRDs
Coding
Reviews, refactors, and documentation
Research
Synthesis and summarized findings
Create prompts in seconds, then refine and save your best versions.
Pick a plan, upgrade anytime
Start with Starter, then upgrade when you need more prompts.
Starter
For casual users
- 1,000 credits/month
- Prompt Generator
- Prompt Improver
- Prompt Types
- Prompt Library
- Prompt Instructions
- Email support
Pro
For individuals getting started
- 3,000 credits/month
- Prompt Generator
- Prompt Improver
- Prompt Types
- Prompt Library
- Prompt Instructions
- Email support
Unlimited
For power users and teams
- Unlimited credits/month
- Prompt Generator
- Prompt Improver
- Prompt Types
- Prompt Library
- Prompt Instructions
- Priority Support
All plans include access to our core features. Need a custom plan? Contact us
FAQ
Quick answers about Prompt Builder, models, and pricing.
Prompt Builder helps you generate, refine, test, and save prompts that work, all in one workflow.
Prompt Generator can create prompts for GPT, Claude, Gemini, Llama, Mistral, DeepSeek, Perplexity, Grok, and Cohere. Assistant lets you run prompts inside Prompt Builder with supported assistant models.
Yes. Use Prompt Assistant to run prompts, iterate with follow-ups, and save the best versions to your Library.
Target model is what your prompt is built for. Assistant model is what helps you refine (and run) prompts in chat.
25 credits/month, which is 25 generated prompts. No credit card required.
Yes. Save, pin, search, and run prompts from your Library anytime.
Yes. Browse Community Prompts and add favorites to your Library.
Yes. Team workspaces let you share a prompt library with your team and organize prompts into folders.
Write your first prompt in about a minute
25 free prompts a month, no credit card required.
Still comparing? Ask an AI about us.