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RivalryFuel Uses Gemini and ElevenLabs to Generate AI Sports Hype Commentary

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A developer has built RivalryFuel, an AI-powered web app that generates dramatic, stadium-announcer-style commentary for any rivalry — from sports matchups to debates like Tea vs Coffee. The tool uses Google's Gemini 2.0 Flash to produce playful, biased hype scripts based on user-selected sides, while ElevenLabs converts the text into an audible announcer voice. Built with React, TypeScript, and Tailwind CSS, the app is deployed on Google Cloud Run and takes just one click to generate shareable 30-second audio commentary. The project was submitted as a solo weekend build for DEV Community's Weekend Challenge: Passion Edition, coinciding with the ongoing FIFA World Cup. The developer cited prompt engineering for tone and responsive UI fixes for longer player names among the key challenges tackled during development.

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