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Dev.to
7/12/2026
Rivalry Radio: a fake late-night call-in show where two AI superfans argue about anything.

Rivalry Radio: a fake late-night call-in show where two AI superfans argue about anything.

Short summary

Rivalry Radio is a weekend project that generates fake late-night call-in radio debates between two AI superfans. Gemini writes structured JSON scripts for three characters, ElevenLabs voices them, and a single Cloudflare Worker serves everything with no database or storage. The author shares practical lessons about prompt engineering for voice acting, API tier limits, and why sequential playback beats audio stitching.

  • •Gemini writes 3-speaker debate scripts as strict JSON; ElevenLabs voices each character
  • •Single Cloudflare Worker handles everything — no database, storage, or FFmpeg needed
  • •Key lesson: instructing LLM to invent personal anecdotes when facts are unknown dramatically improves output quality

Generated with AI, which can make mistakes.

#ai-tools#ai-agents#open-source
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