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Designed & built by Petr

Selected work

PromptTester

AI model evaluation platform

Test and compare prompts across leading AI models from one interface, with provider-aware parameters, pricing, and capabilities built in.

My role

  • Product Strategy
  • AI Architecture
  • Full-stack Development

Status

Live · Actively maintained

Impact

  • 80+ AI modelsaccessible from one comparison workspace

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PromptTester poster showing test data, prompt blocks, and run comparisons