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Prompt Engine
What it is
Prompt Engine is a web platform for creating, revising, organizing and optimizing prompts for ChatGPT and other AI systems. Its assisted optimizer reviews prompts and proposes changes. Users can test prompts and use dynamic template variables, previewing them with entered values, or assemble multi-step prompt chains with separate content and variables for each step. A library organizes prompts with folders, subfolders, tags and search, with grid and list views. A curated template collection can be copied into a personal library and customized. The FAQ says prompts can be created for any AI system, including OpenAI, Anthropic Claude, Google and open-source models. Personal-library prompts are private to the account; administrators can create public templates. Users can export individual prompts or the full library. The free-forever Hobby plan includes up to 10 prompts, basic AI optimization, 25 optimization credits, limited platform features and email support. Pro costs $4.99 a month, with a yearly option at 49 USD per year. A one-time purchase of 100 optimization credits costs $4.99.
For and against
For
- Build multi-step chains with content and template variables
- Organize prompts using folders, tags and search
- Copy and customize curated prompt templates
- Export individual prompts or the entire library
- Personal-library prompts are private to the account
Against
- Free Hobby plan caps libraries at 10 prompts
- Hobby includes only 25 optimization credits
- Hobby has limited platform features
The verdict
Prompt Engine brings prompt editing, organization, templates and optimization into one web platform. The free plan has defined prompt and credit limits; Pro and one-time credits offer other options.
Who it suits
Prompt Engine may suit freelancers, students, developers, startups, professionals, agencies and enterprise teams who create or organize prompts. Its templates and variables can help people reusing prompt formats across AI systems.
Plans and prices
Hobby
Up to 10 prompts · basic AI optimization · 25 optimization credits · limited platform features
Read 5 Oct 2026 · promptengine.me
100 Credits
100 optimization credits · no subscription required
Read 5 Oct 2026 · promptengine.me
Pro
Unlimited AI prompt optimizations · unlimited prompts · unlimited folders and projects
Read 5 Oct 2026 · promptengine.me
On the record
- Data handling
- The privacy policy says the company does not sell personal information and may share it with service providers, for legal obligations, or in a business transfer.docs.promptengine.me · read 5 Oct 2026
- Export
- The FAQ says users can export individual prompts or their entire prompt library.docs.promptengine.me · read 5 Oct 2026
- Intended users
- The homepage describes the product as intended for freelancers, students, developers, startups, professionals, agencies, and enterprise teams.promptengine.me · read 5 Oct 2026
- Model compatibility
- The FAQ says prompts can be created for any AI system and names OpenAI, Anthropic Claude, Google, and open-source models as examples.docs.promptengine.me · read 5 Oct 2026
- Privacy
- The FAQ says personal-library prompts are private to the account, while administrators can create public templates.docs.promptengine.me · read 5 Oct 2026
- Prompt chains
- Users can build prompt chains from multiple steps, each with its own content and template variables.docs.promptengine.me · read 5 Oct 2026
- Prompt optimization
- Its AI optimizer analyzes prompts and suggests improvements.docs.promptengine.me · read 5 Oct 2026
- Prompt organization
- The prompt library supports folders, subfolders, tags, search, and grid or list views.docs.promptengine.me · read 5 Oct 2026
- Purpose
- Prompt Engine is a platform for creating, editing, organizing, and optimizing prompts for ChatGPT and other AI systems.promptengine.me · read 5 Oct 2026
- Reusable prompts
- The editor supports dynamic template variables that can be previewed with entered values.docs.promptengine.me · read 5 Oct 2026
- Security
- The privacy policy says the company uses administrative, technical, and physical safeguards to help protect personal information.docs.promptengine.me · read 5 Oct 2026
- Support
- The support guide offers documentation, video tutorials, a blog, and email support.docs.promptengine.me · read 5 Oct 2026
- Templates
- The product includes a curated collection of prompt templates that users can copy into their personal library and customize.docs.promptengine.me · read 5 Oct 2026
