Generate Better AI Prompts in Seconds
A focused workspace for generating, optimizing, testing, saving, and reusing prompts across ChatGPT, Claude, Gemini, image models, video models, and coding assistants.
Prompt Generator
ChatGPT · marketing · markdown
Input
Result
You are a senior SaaS lifecycle marketer.
Goal: write a 4-email launch sequence for founders evaluating a Prompt Builder.
Include: subject line, preview text, body, CTA, and one reusable personalization variable per email.
Constraints: no hype, clear value, practical examples, concise paragraphs.
Library
Launch email sequence
2 min ago
Cursor refactor prompt
Today
Midjourney product shot
Yesterday
Closed-loop prompt work
Stop losing prompts in chat history
Pick the target model, generate a structured prompt, refine it with constraints, save it to your library, then reuse it when the work repeats.
Before
After
A reusable prompt operation
Pick model
Target the model first.
Generate
Build structured instructions.
Refine
Tighten constraints.
Save
Keep it searchable.
Run
Test before reuse.
Built for practical prompt operations
Prompt Generator
Turn rough instructions into structured prompts with role, goal, context, constraints, and output format.
Prompt Optimizer
Improve existing prompts for clarity, specificity, structure, and model fit without starting over.
Prompt Assistant
Use generated prompts as the basis for testing and iteration inside the app workflow.
Prompt Library
Save, favorite, restore, and reuse prompts instead of rebuilding the same instructions repeatedly.
Use cases
Starter
$29
1,000 credits each month
Recurring subscription billed through Creem
For validating an AI product before you need high volume.
- Access chat, image, and video generation
- 1,000 credits on monthly billing
- Annual plan releases 1,000 credits each month
- Buy extra credit packs whenever you need a top-up
Pro
$99
10,000 credits each month
Recurring subscription billed through Creem
For teams and products that need more generation capacity.
- Access chat, image, and video generation
- 10,000 credits on monthly billing
- Annual plan releases 10,000 credits each month
- Better fit for heavier production usage
Credits Pack
$5
200 credits in one payment
One-time checkout, credits added instantly
One-time credits you can stack on top of any plan.
- Credits are added immediately after payment
- Keeps your current subscription unchanged
- Useful for launches, spikes, and one-off bursts
FAQ
What is Prompt Builder?
It is a workspace for creating reusable prompts that are tailored to specific AI models and work contexts.
Does it consume credits?
Prompt generation and optimization each use 10 credits. Saving, copying, favoriting, and browsing history are free.
Can I use Chinese prompts?
Yes. You can set the output language to English, Chinese, or auto-detect from your input.
SISTINE