PromptGround

PromptGround is a modern prompt management platform designed to streamline how teams create, test, and deploy AI prompts at scale. The tool provides a unified interface to manage prompts for multiple AI models—including GPT-4, GPT-5, Claude, and Gemini—through a single API key, eliminating the need to juggle multiple provider accounts. It's built for developers, prompt engineers, and teams who want to iterate on prompts without touching their codebase, featuring a live prompt editor with template variables, comprehensive execution logs, and detailed analytics. The platform excels at enabling rapid experimentation with different models and prompts before production deployment, while offering non-technical team members the ability to collaborate on prompt management through a GitHub-like interface. Team collaboration features include unlimited members, role-based permissions, and shared workspaces. One notable limitation is that the service charges a 10% margin on top of model provider costs to support infrastructure and monitoring.