PromptMason

PromptMason

CRIS Advisory LLC
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+

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About

The first platform built for prompt engineers. Log OpenAI requests, search usage history, track performance, and visually manage prompt templates. manage Never forget that one good prompt. GPT in prod, done right. Trusted by over 1,000 engineers to version prompts and monitor API usage. Start using your prompts in production. To get started, create an account by clicking “log in” on PromptLayer. Once logged in, click the button to create an API key and save this in a secure location. After making your first few requests, you should be able to see them in the PromptLayer dashboard! You can use PromptLayer with LangChain. LangChain is a popular Python library aimed at assisting in the development of LLM applications. It provides a lot of helpful features like chains, agents, and memory. Right now, the primary way to access PromptLayer is through our Python wrapper library that can be installed with pip.

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.

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

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

Audience

Prompt engineers seeking a platform to build, search for, track, and manage prompts

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.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

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

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

PromptLayer
United States
promptlayer.com

Company Information

CRIS Advisory LLC
Founded: 2025
United States
promptmason.ai/

Alternatives

Alternatives

Categories

Categories

Prompt Management Supported

Integrations

ChatGPT Supported
Anthropic Not Supported
Claude Code Not Supported
Claude Desktop Not Supported
Cursor Not Supported
Datamorf Supported
Dropbox Not Supported
Ellipsis Supported
GPT-3 Supported
GPT-3.5 Supported
GPT-4 Supported
Gemini Not Supported
Google Drive Not Supported
LiteLLM Supported
Microsoft OneDrive Not Supported
Microsoft SharePoint Not Supported
Model Context Protocol (MCP) Not Supported
OpenAI Supported
Workers by Delos Supported

Integrations

ChatGPT Supported
Anthropic Supported
Claude Code Supported
Claude Desktop Supported
Cursor Supported
Datamorf Not Supported
Dropbox Supported
Ellipsis Not Supported
GPT-3 Not Supported
GPT-3.5 Not Supported
GPT-4 Not Supported
Gemini Supported
Google Drive Supported
LiteLLM Not Supported
Microsoft OneDrive Supported
Microsoft SharePoint Supported
Model Context Protocol (MCP) Supported
OpenAI Not Supported
Workers by Delos Not Supported
Claim PromptLayer and update features and information
Claim PromptLayer and update features and information
Claim PromptMason and update features and information
Claim PromptMason and update features and information