Prompto
Prompto is an open-source web application designed to make interacting with LLMs simple and efficient.
What is Prompto?
Prompto is an open-source Angular web application that gives you a user-friendly interface for interacting with a range of Language Models (LLMs) through LangChain.js. It is aimed at anyone who wants to work with different models from one place, whether for chatting, testing prompts or comparing outputs. It runs entirely in your browser as a Progressive Web Application, and its name blends "Prompt" with the Italian word "Pronto", meaning ready and quick.
Key features
- Multiple LLMs
- Switch between the different LLMs supported by LangChain.js without leaving the interface.
- Temperature control
- Adjust the temperature to change how creative or predictable the responses are.
- Chat mode
- Talk to a chatbot interface that keeps the context of the conversation.
- Notebook mode
- Send prompts without prior context when you want isolated responses.
- Templates
- Create, save and reuse prompts that include dynamic contextual elements.
- Arena mode
- Compare responses from several LLMs side by side.
- Discussion mode
- Set up dynamic conversations between multiple AI personas.
How to use Prompto
- Open Prompto in your browser at https://prompto.asanchez.dev.
- Go to the settings page and configure the connection to your chosen LLM provider.
- Pick an interaction mode: Chat, Notebook, Templates, Arena or Discussion.
- Set the temperature to control how creative or predictable the answers should be.
- Send your prompt and read the response; if the connection fails, check your settings and the browser console for more information.
Use cases
- People who want to try several LLMs and switch between them from a single interface.
- Prompt engineers who need to save and reuse prompt templates with dynamic elements.
- Users comparing the answers of multiple models side by side in Arena mode.
- Writers or researchers building conversations between several AI personas in Discussion mode.
- Privacy-conscious users who prefer their settings, chat histories and templates to stay in their own browser.
Pricing
The official website does not list pricing. Prompto is described as an open-source project released under the MIT License, with the source code available on GitHub.
FAQ
Is Prompto free to use?
The website does not list any pricing. Prompto is an open-source project published under the MIT License, and its source code can be viewed or contributed to on GitHub.
Which language models can I use with Prompto?
Prompto works with the variety of LLMs supported by LangChain.js, and you can switch between them from the interface.
Does Prompto store my chats on a server?
No. Prompto's interface is serverless, and your settings, chat histories, templates and configurations are stored in your browser's local storage. The website notes that local storage data can be accessed by others in some situations, and that you can clear all stored data at any time from the settings page.
What interaction modes does Prompto offer?
Prompto has five modes: Chat for conversations that keep context, Notebook for prompts without prior context, Templates for saving and reusing prompts, Arena for comparing multiple LLMs side by side, and Discussion for conversations between multiple AI personas.
Does Prompto need to be installed?
No installation is required. Prompto runs entirely in your browser as a Progressive Web Application, and your browser communicates directly with your chosen LLM provider through LangChain.js integrations.
How is Prompto different from a standard chatbot interface?
Prompto is built around switching between multiple LLMs and offers modes beyond plain chat, including side-by-side model comparison in Arena and multi-persona conversations in Discussion. It is also open source and keeps your data in local storage rather than on a server.
Prompto
Prompto is an open-source web application designed to make interacting with LLMs simple and efficient.
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