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AI Tools

AI Persona Generator

Build structured AI system prompts by selecting role, traits, expertise, tone, and constraints.

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AI Prompt Builder

Build effective AI prompts using 6 frameworks: CO-STAR, RISEN, APE, RACE, ROSES, and RTF. Structure your requests for better results.

Token Counter & Cost Estimator

Count tokens and estimate costs for GPT-4.1, GPT-4o, Claude Sonnet 4.5, Gemini 2.5 Pro, and more. Real-time token counting for prompt optimization.