Show HN: Llm.fm – an AI-generated, satirical radio show in the browser

5 ryandotelliott 0 5/19/2025, 2:32:40 PM llm.fm ↗

I've spent the past few weeks building *LLM.FM*, a GTA-inspired Radio Show where every topic, song, and advertisement is generated entirely by AI.

I loved the absurd style of the radio stations in the Grand Theft Auto games, and I wanted to see how close I could get with todays AI stack. While it isn't quite as vulgar, I think it's still a unique experience!

How it works

* GPT-4.1 writes a "high-level" show overview given a desired structure, this is done to keep coherence between segments

* Individual segment transcripts are generated with the provided outline

* ElevenLabs turns the into voices and returns word-level timestamps for a live transcript

* Segments are converted to HLS chunks, then all chunks are merged with audio padding; Song are pre-generated Suno songs based on ChatGPT generated song prompts

* Next.js + Vercel for the web app; Railway with workers to handle new show generation

The show is fully free - new episodes release at 8 AM, 12 PM, and 4 PM ET daily.

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Show HN: Llm.fm – an AI-generated, satirical radio show in the browser

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