Average Ratings 0 Ratings
Average Ratings 0 Ratings
Description
LangFast is a streamlined prompt testing platform aimed at product teams, prompt engineers, and developers working with large language models. It offers immediate access to a customizable prompt playground without requiring signup, making prompt experimentation quick and hassle-free. Users can create, test, and share prompt templates using Jinja2 syntax, while receiving real-time raw outputs directly from the LLM, avoiding complicated API layers. This reduces the friction typically associated with manual prompt testing, allowing teams to validate and iterate faster. Developed by a team experienced in scaling AI SaaS products to millions of users, LangFast provides full control over the prompt development lifecycle. The platform also fosters improved team collaboration by enabling easy sharing and iteration. Its pay-as-you-go pricing ensures users only pay for what they use, keeping budgets under control. LangFast is ideal for teams seeking a flexible, cost-effective solution for prompt engineering.
Description
Prompt Builder is an advanced AI prompt engineering platform that rapidly converts basic concepts into refined, effective prompts suitable for models such as ChatGPT, Claude, and Google Gemini. It boasts three main functionalities: Generate, which transforms straightforward language into enhanced prompts by utilizing over 1,000 successful templates; Optimize, which improves existing prompts through sophisticated engineering methods; and Organize, allowing users to systematically arrange their top prompts with the help of tags, bookmarks, and folders. Additionally, the platform accommodates content specifically designed for various social media channels, including Twitter, LinkedIn, Instagram, and TikTok, while also facilitating the creation of intricate image prompts for applications like DALL·E, Midjourney, and Stable Diffusion. With high ratings from professional users, Prompt Builder serves as a unified platform for generating, refining, and managing prompts across different AI models, ensuring consistency and simplicity in the process. Ultimately, this tool empowers users to harness the full potential of AI in their creative endeavors.
API Access
Has API
API Access
Has API
Screenshots View All
No images available
Integrations
ChatGPT
Claude
DALL·E 2
Gemini
Gemini Enterprise
Instagram
LinkedIn
Midjourney
Stable Diffusion
TikTok
Integrations
ChatGPT
Claude
DALL·E 2
Gemini
Gemini Enterprise
Instagram
LinkedIn
Midjourney
Stable Diffusion
TikTok
Pricing Details
$60 one time
Free Trial
Free Version
Pricing Details
$9 per month
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
Langfa.st
Founded
2025
Country
United States
Website
langfa.st/new
Vendor Details
Company Name
Prompt Builder
Country
United States
Website
promptbuilder.cc/