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Average Ratings 0 Ratings

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ease
features
design
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

Enhance your team's prompt engineering capabilities by guaranteeing top-notch outputs from LLMs through automated testing and thorough evaluation. Streamline the creation and organization of your prompts, allowing for easy templating, saving, and structuring of prompt settings. Conduct automated tests and receive detailed results within seconds, which will help you save valuable time and boost your productivity. Organize your prompt settings meticulously, and deploy them instantly for integration into your own software solutions. Design, test, and implement prompts with remarkable speed and efficiency. Empower your entire team and effectively reconcile technical execution with practical applications. With PromptPoint’s intuitive no-code platform, every team member can effortlessly create and evaluate prompt configurations. Adapt with ease in a diverse model landscape by seamlessly interfacing with a multitude of large language models available. This approach not only enhances collaboration but also fosters innovation across your projects.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

No images available

Screenshots View All

Integrations

ChatGPT No 
Claude No 
Gemini No 
Gemini 1.5 Flash No 
Gemini 1.5 Pro No 
Gemini 2.0 No 
Gemini 2.0 Flash No 
Gemini Enterprise No 
Gemini Nano No 
Gemini Pro No 
Google AI Plus No 
JSON No 
Meta Pixel No 

Integrations

ChatGPT Yes 
Claude Yes 
Gemini Yes 
Gemini 1.5 Flash Yes 
Gemini 1.5 Pro Yes 
Gemini 2.0 Yes 
Gemini 2.0 Flash Yes 
Gemini Enterprise Yes 
Gemini Nano Yes 
Gemini Pro Yes 
Google AI Plus Yes 
JSON Yes 
Meta Pixel Yes 

Pricing Details

$60 one time
Free Trial Yes 
Free Version No 

Pricing Details

$20 per user per month
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises Yes 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs No 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Vendor Details

Company Name

Langfa.st

Founded

2025

Country

United States

Website

langfa.st/new

Vendor Details

Company Name

PromptPoint

Website

www.promptpoint.ai/

Product Features

Alternatives

Alternatives