Promptmetheus is a Prompt Engineering IDE that helps Prompt Engineers compose, test, and optimize better prompts for LLM-powered apps, agents, and workflows. The platform utilizes a modular approach, breaking prompts down into logical blocks such as context, tasks, and instructions to allow for systematic fine-tuning and iteration. It supports 15 provider APIs (incl. OpenAI, Anthropic, DeepMind, xAI) and over 150 LLMs. Features include prompt variables, automatic output evaluators, project and team management, real-time collaboration, completion ratings, inference cost estimation, full traceability, and data export.
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