Langfa.st vs. Toolstash
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.
Toolstash
Toolstash is a free tool tracking app for homeowners & hobbyists. Use AI to add all of your tools with the snap of a photo and let Toolstash take care of everything else! Keep track of what tools you have & where you put them, remember which neighbor borrowed what, and find out who nearby has that obscure tool you need for your upcoming weekend project! - Track: Keep track of your all the tools you have and where you have them (garage, workshop, office, etc. - AI Snap: Simply snap a photo to add a tool. We'll automatically identify the tool and model numbers for you. - DIY Chat: Get DIY help right away based on the tools you have! - Auto-Categorization: We'll automatically organize your tools for you. - Borrow/Lend: Keep track of which friend or neighbor has your tools!
Reviews
Reviews
Item | Votes | Upvote |
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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 |
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No custom API key support (yet) | 1 | |
Not ideal for running complex multi-turn chats | 1 |
Item | Votes | Upvote |
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AI Chat | 1 | |
AI Snap | 1 |
Item | Votes | Upvote |
---|---|---|
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 AI teams and prompt engineers. In contrast, Toolstash is focused on tool tracking for homeowners and hobbyists, utilizing AI to manage tools and provide DIY assistance. Therefore, if your primary goal is to test AI prompts, Langfa.st is the better choice.
While Toolstash incorporates AI features like AI Snap for adding tools and AI Chat for DIY assistance, its functionality is tailored towards managing tools rather than testing AI prompts. Langfa.st, on the other hand, is built for prompt engineering and supports a wide range of language models. Thus, Toolstash cannot compete with Langfa.st in the context of AI prompt testing.
Langfa.st offers a clean and distraction-free UI, allowing users to experiment with AI prompts instantly without setup. Toolstash also aims for user-friendliness with its AI Snap feature for easy tool addition and auto-categorization. However, the user experience may vary based on individual needs; Langfa.st is more streamlined for AI testing, while Toolstash is designed for tool management.
Langfa.st has limitations such as no support for custom API keys and may not be ideal for complex multi-turn chats. Toolstash, however, does not have such limitations in its core functionality, focusing instead on tool management and tracking. Therefore, while Langfa.st is specialized for AI prompt testing, it may not be as versatile as Toolstash in its domain.
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.
Toolstash is a free tool tracking app designed for homeowners and hobbyists. It allows you to use AI to add all of your tools with a simple photo snap and helps you keep track of what tools you have, where they are located, and who you may have lent them to. Additionally, it helps you find nearby tools you may need for upcoming projects.
Toolstash offers several features including AI Snap for adding tools via photo, DIY Chat for immediate help based on your tools, Auto-Categorization for organizing your tools, and Borrow/Lend tracking to keep tabs on who has borrowed your tools.
The pros of Toolstash include its AI Chat and AI Snap features, which make it easy to add and manage your tools. Currently, there are no listed cons for Toolstash.
The AI Snap feature on Toolstash allows you to add a tool by simply snapping a photo of it. The app will automatically identify the tool and its model number, making it quick and easy to catalog your tools.
Yes, Toolstash can help you find nearby tools that you might need for your upcoming projects. It provides information on who nearby owns the tools you require, making it easier to borrow them.
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