Langfa.st vs. Shosay
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.
Shosay
Shosay is an AI-powered free tool to collect, manage, and share testimonials, recommendations, and references. SHO what people SAY about you. Key Features - Social Proof Collection: Automate testimonial, recommendation, and reference collection. Use AI to prompt the right questions. - Modern Social Proof: Collect video and audio powered by AI. Not just text. - Social Proof Management: Instantly import all your social proof from over 30 platforms - Wall of Love: Create beautiful widgets to embed in your websites with all your social proof - Smart Curation: Segment relevant social proof to the target audience. AI enhanced analytics to push the right message to your target audience. - Enhanced Sharing: Create images and videos.
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 primarily focused on testing and refining AI prompts with support for over 50 language models, making it ideal for AI teams and prompt engineers. It allows for quick experimentation without the need for login or API keys. In contrast, Shosay is designed specifically for collecting and managing testimonials and recommendations, providing tools for social proof collection and management. If your goal is to manage user feedback in the form of testimonials, Shosay would be the better choice, while Langfa.st excels in AI prompt testing.
Langfa.st offers a clean and distraction-free UI that is easy to navigate, making it user-friendly for those looking to test AI prompts without any setup. On the other hand, Shosay focuses on automating the collection of testimonials and may require users to understand social proof management. For beginners looking for a straightforward experience, Langfa.st may be more accessible, while Shosay may have a steeper learning curve due to its features.
Langfa.st provides features tailored for AI prompt testing, including support for multiple models, built-in variables, and Jinja2 templating. In contrast, Shosay focuses on social proof collection and management, offering features like automated testimonial collection and smart curation. The choice between the two depends on your needs: if you require AI prompt testing capabilities, Langfa.st is more feature-rich in that area, while Shosay excels in managing and showcasing user testimonials.
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.
Shosay is an AI-powered free tool designed to collect, manage, and share testimonials, recommendations, and references. It allows you to automate and enhance the process of gathering social proof, using AI to prompt the right questions and collect data in various formats such as text, video, and audio.
Shosay offers several key features including social proof collection and management, the ability to import testimonials from over 30 platforms, creation of 'Wall of Love' widgets for websites, smart curation with AI-enhanced analytics, and enhanced sharing options for images and videos.
Shosay helps build trust by consolidating all positive feedback and testimonials in one place, making it easy to display them on your website. This social proof serves as a cornerstone of trust, helping to increase confidence among potential customers or employers.
Shosay can be used in various scenarios such as importing positive feedback from social media platforms, storing video references for job applications, and collecting recommendations for personal projects like baking. These features help users showcase their achievements and build credibility.
