Prompt Engine

Web · paid plans from $4.99/mo

Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Prompt Engine is ranked #7 of 29 in AI prompt generators on Freedom251. It runs on Web. There is a free plan. Paid plans start at $4.99/mo.

Prompt Engine plans and pricing

All plans

Hobby Free Free forever Up to 10 prompts · basic AI optimization · 25 optimization credits · limited platform features · email support promptengine.me · 5 Oct 2026

Pro $4.99/mo $4.99/month; yearly option $49/year Unlimited AI prompt optimizations · unlimited prompts · unlimited folders and projects promptengine.me · 5 Oct 2026

100 Credits $4.99 once One-time purchase 100 optimization credits · no subscription required promptengine.me · 5 Oct 2026

Compared on AI prompt generators

Free plan: Yes
Model support: multiple
Optimization mode: assisted
Prompt variables: Yes
Prompt testing: Yes

Best Prompt Engine alternatives

See all 20

Two bars Vellum Free tier No. 1$30/mo6.7 Two bars PromptWizard Free tier No. 2Free6.6 One bar Agenta Free tier No. 3$29/mo6.4 No signal Google Cloud Agent Evaluation Paid plans No. 4—6.4 One bar Latitude Free tier No. 5$99/mo6.4 One bar MLflow Prompt Optimization Free tier No. 6Free6.4

The record

Purpose: Prompt Engine is a platform for creating, editing, organizing, and optimizing prompts for ChatGPT and other AI systems.
Prompt optimization: Its AI optimizer analyzes prompts and suggests improvements.
Prompt chains: Users can build prompt chains from multiple steps, each with its own content and template variables.
Reusable prompts: The editor supports dynamic template variables that can be previewed with entered values.
Prompt organization: The prompt library supports folders, subfolders, tags, search, and grid or list views.
Templates: The product includes a curated collection of prompt templates that users can copy into their personal library and customize.
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.
Privacy: The FAQ says personal-library prompts are private to the account, while administrators can create public templates.
Security: The privacy policy says the company uses administrative, technical, and physical safeguards to help protect personal information.
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.
Export: The FAQ says users can export individual prompts or their entire prompt library.
Support: The support guide offers documentation, video tutorials, a blog, and email support.
Intended users: The homepage describes the product as intended for freelancers, students, developers, startups, professionals, agencies, and enterprise teams.
Price from: $4.99/mo

Where it ranks on Freedom251

Best AI Prompt Generators in 2026#7 of 29

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Sources

promptengine.me· checked 5 Oct 2026
docs.promptengine.me/user-guide/key-features/prompt-editor/· checked 5 Oct 2026
docs.promptengine.me/user-guide/key-features/prompt-library/· checked 5 Oct 2026
docs.promptengine.me/user-guide/key-features/prompt-template· checked 5 Oct 2026
docs.promptengine.me/user-guide/faq/· checked 5 Oct 2026
docs.promptengine.me/user-guide/privacy-policy/· checked 5 Oct 2026
docs.promptengine.me/user-guide/support/· checked 5 Oct 2026
promptengine.me/pricing· checked 5 Oct 2026