Langfa.st vs. XHSPlus
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.
XHSPlus
Effortlessly create Xiaohongshu notes with our powerful suite of AI tools including the AI rewrite generator, AI text generator, and AI title generator!
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 |
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| No pros yet, would you like to add one? | ||
| Item | Votes | Upvote |
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| No cons yet, would you like to add one? | ||
Frequently Asked Questions
Langfa.st is specifically designed for testing and refining AI prompts, supporting over 50 large language models without the need for login or API keys. It offers features like variable insertion and Jinja2 templating, making it ideal for prompt engineers. In contrast, XHSPlus focuses on creating Xiaohongshu notes with AI tools but lacks the extensive model support and prompt testing capabilities that Langfa.st provides. Therefore, for AI prompt testing, Langfa.st is the superior choice.
Yes, Langfa.st and XHSPlus can complement each other in AI projects. Langfa.st can be used to test and refine prompts across various AI models, while XHSPlus can assist in generating content specifically for Xiaohongshu. Using both tools allows for a more comprehensive approach to AI-driven content creation and testing.
The main advantages of using Langfa.st over XHSPlus include its support for over 50 AI models, instant response without setup, and a clean, distraction-free user interface. Additionally, Langfa.st allows for the use of variables and Jinja2 templating, which are not features offered by XHSPlus, making it more suitable for AI prompt testing and refinement.
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.
XHSPlus is a platform that allows users to effortlessly create Xiaohongshu notes using a powerful suite of AI tools. These tools include an AI rewrite generator, an AI text generator, and an AI title generator.
The main features of XHSPlus include an AI rewrite generator, which helps users rewrite existing text, an AI text generator for creating new content, and an AI title generator for crafting compelling titles for Xiaohongshu notes.
XHSPlus helps users create Xiaohongshu notes by leveraging advanced AI tools. The AI rewrite generator can rephrase existing content, the AI text generator can create new content from scratch, and the AI title generator can produce attention-grabbing titles, making the process faster and more efficient.
