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Lure-TTS and Lure-Turbo: 600M voice models claimed to run 4x faster than real time
A solo developer fine-tuned Qwen3-TTS 0.6B with inline tags, direction and voice cloning, and says training cost under $200. Turbo runs at RTF 0.14 versus 0.195 for the 5B Fish S2 Pro, with the same speaker similarity, per the author.