PromptMasonCRIS Advisory LLC
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Related Products
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About
Introducing Narrow AI: Take the Engineer out of Prompt Engineering
Narrow AI autonomously writes, monitors, and optimizes prompts for any model - so you can ship AI features 10x faster at a fraction of the cost.
Maximize quality while minimizing costs
- Reduce AI spend by 95% with cheaper models
- Improve accuracy through Automated Prompt Optimization
- Achieve faster responses with lower latency models
Test new models in minutes, not weeks
- Easily compare prompt performance across LLMs
- Get cost and latency benchmarks for each model
- Deploy on the optimal model for your use case
Ship LLM features 10x faster
- Automatically generate expert-level prompts
- Adapt prompts to new models as they are released
- Optimize prompts for quality, cost and speed
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About
PromptMason is a desktop application for organizing reusable prompts and building them from shared text blocks. Users can create blocks for roles, background, tasks and formats, then update a block once to revise every dynamic prompt that uses it. The app includes prompt search, fill-in variables, AI-assisted rewriting, prompt evaluation, and privacy checks that flag sensitive information. Its optional local AI model can run on the user’s computer without sending prompt text to a cloud AI provider. Built-in MCP connections let Claude Desktop, Cursor and Claude Code search, fill and save prompt-library content. Users can also access prompts through a Chrome extension, share libraries using their own cloud-storage folders or a network drive, and manage Markdown documents and downloadable AI Skills. A free plan includes all features with limits of 25 blocks and 15 prompts; Pro removes those limits.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Not Supported
Cloud
Not Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
AI Startups, AI Developers, AI Founders, CTOs
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Audience
Professionals and teams who use ChatGPT, Claude, Copilot or Gemini every day and want to reuse their best prompts, especially in finance, legal, marketing, sales, HR and customer support. A strong fit for organizations that need prompts and sensitive data to stay private.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and VideosNo images available
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Screenshots and Videos |
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Pricing
$500/month/team
Free Version
Supported
Free Trial
Not Supported
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Pricing
$0
The Free plan includes all features, with limits of 25 blocks and 15 prompts. Pro is $7/month or $69/year under the launch offer, with that price locked in while subscribed; standard pricing is $9/month or $89/year. Downloads include a 14-day Pro trial, after which the app moves to Free unless you buy Pro.
Free Version
Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationNarrow AI
Founded: 2024
United States
www.getnarrow.ai/
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Company InformationCRIS Advisory LLC
Founded: 2025
United States
promptmason.ai/
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Alternatives |
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Categories |
Categories |
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Integrations
Anthropic
Not Supported
ChatGPT
Not Supported
Claude Code
Not Supported
Claude Desktop
Not Supported
Cursor
Not Supported
Dropbox
Not Supported
GPT-4
Supported
GPT-4o
Supported
Gemini
Not Supported
Google Drive
Not Supported
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Integrations
Anthropic
Supported
ChatGPT
Supported
Claude Code
Supported
Claude Desktop
Supported
Cursor
Supported
Dropbox
Supported
GPT-4
Not Supported
GPT-4o
Not Supported
Gemini
Supported
Google Drive
Supported
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