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features
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support

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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

The Prompeteer Contextual Intelligence Platform serves as an advanced contextual AI tool designed for crafting high-quality agentic prompts and skills. This platform empowers both individuals and businesses to develop prompts and agent skills that are ready for production use across a wide array of AI systems including ChatGPT, Claude, Gemini, Perplexity, Grok, Meta AI, Copilot, Cursor, and Replit, among others—over 140 in total. Users can simply input their requests in everyday language, and Prompeteer swiftly converts these into sophisticated prompts that are contextually enriched, rated for quality, and primed for immediate use. It boasts a variety of features such as the ability to create multimodal prompts that encompass text, code, data, images, video, and audio, along with a Prompt Score for impartial quality assessment, and PromptDrive for efficient organization and storage of prompts. The platform also offers Agent Skills, which consist of production-ready SKILL.md files, integrates seamlessly into existing workflows, and supports over 100 languages. With a user base consisting of tens of thousands of professionals and organizations across 157 nations, Prompeteer is recognized for its compliance with GDPR and CCPA regulations, ensuring complete privacy, with an option for a free version available for users. Additionally, its array of tools makes it an invaluable asset for anyone looking to enhance their AI prompt capabilities.

API Access

Has API

API Access

Has API

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Screenshots View All

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Integrations

No details available.

Integrations

No details available.

Pricing Details

$60 one time
Free Trial
Free Version

Pricing Details

Free / Premium Plans
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

Prompeteer.ai

Founded

2025

Country

United States

Website

prompeteer.ai

Product Features

Product Features

Alternatives

Alternatives

No Alternatives