Stableoutput is an AI chat client that requires no request fees, no subscription costs, and no programming knowledge to use. It supports cloud synchronization and usage tracking. Users can freely select and switch between popular AI models such as OpenAI or Anthropic, customize system prompts, temperature, maximum token counts, and monitor API usage. Users can upload files for relevant information and manage API costs by controlling message requests. The product supports a lifetime license with no recurring payments, making it suitable for mobile browsers to obtain immediate results anytime, anywhere.