Imagine

Prompto

Open-source web app for interacting with LLMs, fine-tuning results, and saving prompts.

The AI REPORT pick
Dev Tools
Productivity
Open Source
Overview
ABOUT

Prompto is an open-source web application designed to make interacting with Large Language Models (LLMs) simple and efficient. It allows users to fine-tune results, chat or query, and save prompts. Prompto runs entirely in your browser as a Progressive Web Application (PWA) and communicates directly with your chosen LLM provider through LangChain.js integrations.

USE CASE

Productivity

KEY FEATURES

Multiple LLM support via LangChain.js; Temperature control for response adjustment; Chat interface for conversational context; Notebook for isolated prompts; Templates for saving and reusing prompts; Arena for comparing LLM responses; Discussion for creating conversations between AI personas

Meta
Open Source
Free only
β†’ Go to Pricing Page
Startup (1–10)
United States

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