Best system prompts AI tools

ConfigureMyAI is a powerful platform designed to help developers and businesses program AI assistants once and achieve consistent, on-brand results every time. It allows users to set system prompts, rules, and upload training data across multiple AI providers like OpenAI, Anthropic, and Google AI, then deploy via custom API endpoints or embeddable widgets.

Open Muse Chat is an advanced multi-model AI chat interface designed for users who leverage various large language models. It connects to any OpenRouter model, offers web search, file uploads (PDFs, images) for context, and provides fine-grained control over model parameters, all within an organized workspace featuring projects and branched conversations.