What is Prompt Natus?
Free prompt optimizer that uses your own API key—your data stays private. One-click optimization works on ChatGPT, Claude, Gemini, and more. No sign-ups or subscriptions. Just better prompts.
Problem
Users manually optimize prompts for AI models (e.g., ChatGPT, Claude) without efficient tools, leading to time-consuming iterations, inconsistent outputs, and privacy risks when sharing sensitive data via third-party platforms.
Solution
PromptNatus is a free prompt optimization tool enabling users to refine prompts via their own API keys for privacy. Users get one-click optimization across ChatGPT, Claude, Gemini, etc., without sign-ups or subscriptions.
Customers
AI developers, data scientists, and content creators who require efficient prompt tuning while maintaining data control.
Unique Features
Uses user-owned API keys for data privacy; supports multiple LLMs; no sign-ups; entirely free.
User Comments
Appreciates data privacy via personal API keys; praises simplicity of one-click optimization; values no-cost access; reports improved AI output consistency; highlights multi-platform compatibility.
Traction
Newly launched (exact user/revenue data unspecified); listed on ProductHunt with early traction.
Market Size
The global generative AI market size is projected to reach $454.12 billion by 2024, with prompt optimization tools addressing a critical niche.
