Langfa.st vs. GOSH
Langfa.st
Langfa.st is a fast and minimal playground for testing and refining AI prompts. It supports over 50 large language models, including OpenAI, Anthropic, Mistral, Cohere, Google, and others — all available instantly without setup. You can insert variables, use Jinja2 templating, and compare outputs across models. There’s no need to sign up or bring your own API keys — it works out of the box. Langfa.st was built to eliminate the friction of existing tools: complicated UIs, required credentials, or overpriced subscriptions. It gives AI teams and prompt engineers a clean, disposable space to experiment, debug, and iterate — all in one tab. Free to use. You only pay if you need more volume or power features.
GOSH
GOSH.app is a free AI Powered Price Tracking Tool and Price Tracking Chrome Extension. Track product prices and stock levels at any store, anywhere using the magic of AI. Get instant alerts when prices drop, or the product comes back into stock. Key Features - Get instant email or push notifications on product discounts. - Get instant email or push notifications on product re-stocks. - Install our free GOSH Price Tracking Chrome Extension (to quickly track the price of products from any store anywhere). Benefits - AI Powered Price Tracking: Never pay full price on a product again. - AI Powered Stock Level Tracking: Get access to the new stock before it sells out. - Free Price Tacker: Save big $$$ on products you buy often. Use Case Track product prices and stock levels at any store, anywhere. Get instant alerts when prices drop, or the product comes back into stock.
Reviews
Reviews
| Item | Votes | Upvote |
|---|---|---|
| Works without login or API key | 1 | |
| Supports 50+ models out of the box | 1 | |
| Built-in support for variables and Jinja2 templating | 1 | |
| Instant response, no setup required | 1 | |
| Clean and distraction-free UI | 1 |
| Item | Votes | Upvote |
|---|---|---|
| No custom API key support (yet) | 1 | |
| Not ideal for running complex multi-turn chats | 1 |
| Item | Votes | Upvote |
|---|---|---|
| No pros yet, would you like to add one? | ||
| Item | Votes | Upvote |
|---|---|---|
| No cons yet, would you like to add one? | ||
Frequently Asked Questions
Langfa.st is primarily focused on AI prompt testing and refining, supporting over 50 language models without the need for login or API keys. It is not designed for price tracking. In contrast, GOSH is specifically built as a price tracking tool that alerts users about price drops and stock levels across various stores. Therefore, if your goal is to track product prices, GOSH is the better choice.
Yes, Langfa.st and GOSH can be used together effectively, as they serve different purposes. Langfa.st allows users to experiment with AI prompts and models, while GOSH helps track product prices and stock levels. If you are working on AI-related projects and also want to monitor product prices, using both tools can enhance your productivity.
Langfa.st offers immediate functionality for testing AI prompts with no setup required, allowing users to start experimenting right away. GOSH also provides immediate functionality by sending instant alerts for price drops and stock availability. However, the immediacy of use depends on the context: Langfa.st is immediate for AI testing, while GOSH is immediate for price tracking.
Langfa.st is a fast and minimal playground for testing and refining AI prompts. It supports over 50 large language models, including OpenAI, Anthropic, Mistral, Cohere, Google, and others — all available instantly without setup. Users can insert variables, use Jinja2 templating, and compare outputs across models without needing to sign up or provide API keys.
Pros of Langfa.st include: it works without login or API key, supports over 50 models out of the box, has built-in support for variables and Jinja2 templating, provides instant responses with no setup required, and features a clean and distraction-free user interface.
Cons of Langfa.st include the lack of custom API key support at this time and it may not be ideal for running complex multi-turn chats.
Langfa.st is particularly beneficial for AI teams and prompt engineers who need a clean, disposable space to experiment, debug, and iterate on AI prompts without the friction of complicated UIs or required credentials.
Yes, Langfa.st is free to use. Users only pay if they need more volume or access to power features.
GOSH.app is a free AI-powered tool designed for tracking product prices and stock levels across various stores. It provides instant alerts when prices drop or when products are back in stock, helping users save money and secure desired items before they sell out.
Key features of GOSH.app include instant email or push notifications for product discounts and restocks. It also offers a free Chrome Extension to track prices from any store. The app is driven by AI to ensure users never miss a price drop or product restock.
The benefits of using GOSH.app include AI-powered price and stock level tracking, which helps users save money by never paying full price and by accessing new stock before it sells out. It's a free tool that can help users save significantly on frequently purchased products.
GOSH.app's price tracking feature uses AI to monitor product prices across various stores. Users receive instant notifications when there is a price drop, allowing them to purchase items at a discounted rate.
GOSH.app assists with stock level tracking by sending instant alerts when a product is back in stock. This feature ensures that users can purchase desired items as soon as they become available again, reducing the risk of missing out.
