PromptTools

PromptTools.dev provides a comprehensive suite of tools for refining and testing conversational applications. Key features include: * Side-by-side prompt testing across 8 distinct models * Token cost calculation for over 15 models * Objective scoring of prompt quality * A curated library of 165+ tested prompts * 21 free developer utilities for various tasks This platform empowers developers and content creators to optimize their conversational interactions without the guesswork. Quickly analyze prompt effectiveness, understand resource consumption, and ensure consistent output across different large language models. The built-in developer utilities, such as a JSON formatter, JWT decoder, and regex tester, provide additional value, streamlining common development tasks. Designed for engineers, product managers, and content strategists, PromptTools.dev helps validate and enhance conversational application performance. Whether you're comparing model responses, managing token budgets, or simply need a quick utility, it offers a robust, no-signup solution for efficient development and iteration.