Developer Builds AI-Powered World Cup Audio Hype Tool Using Gemini and ElevenLabs

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A developer created PassionCast, a browser-based tool that generates personalized 60-second AI audio commentary clips for World Cup 2026 fans. Users select their team from 48 nations and choose a mood — such as rivalry fire, heartbreak, or fan anthem — before the tool produces a script referencing real players, history, and rivals. Google's Gemini 2.0 Flash model writes the commentary at a high creativity setting, while ElevenLabs converts the text into expressive speech using multiple voice styles. The project was built with vanilla JavaScript and Vite, hosted on GitHub Pages, and requires no backend infrastructure. Users can try pre-generated sample clips instantly or generate custom ones using free API keys from Google AI Studio and ElevenLabs.

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