Trial Mode

About Master Your Prompt

What is Master Your Prompt?

Master Your Prompt is your all-in-one workspace for crafting, testing, and optimizing AI prompts. Our platform allows you to compare responses from different AI models side by side, helping you create more effective prompts and get better results from AI language models.

Key Features

Side-by-Side Testing

Compare responses from different AI models simultaneously. See how different prompts perform in real-time.

Temperature Control

Fine-tune the creativity level of AI responses with precise temperature settings.

Secure API Management

Your API keys are encrypted and securely stored. We never store or log the actual prompts or responses.

Cost Optimization

Track token usage and optimize your prompts to reduce API costs by up to 40%.

Supported Models

OpenAI Models

  • GPT-4o
  • GPT-4o-mini
  • o3-mini

Anthropic Models

  • Claude 3.5 Sonnet
  • Claude 3.5 Haiku

Getting Started

  1. Sign in with your Google account
  2. Add your OpenAI or Anthropic API key in settings (or use our trial mode)
  3. Create your first prompt in the editor
  4. Compare responses from different models
  5. Save and organize your best prompts
Start Testing Now

Trial Mode

New users can try our platform with trial mode, which includes:

  • 5 free requests
  • Access to GPT-4o-mini and Claude 3.5 Haiku
  • All core features available
  • No credit card required

After the trial, simply add your own API key to continue using the service with full access to all models.

Contact & Support

Need help or have questions? Contact us at: