A new open-source text-to-speech (TTS) model named Gepard 1.0 has been released, designed for real-time conversational dialogue. Built with a focus on streaming, it begins generating audio as text arrives, achieving a time-to-first-audio of approximately 50ms. The model utilizes a Qwen3.5 0.8B backbone and Nemo NanoCodec, offering zero-shot voice cloning and supporting multiple languages including English, Spanish, Portuguese, and Dutch. While it excels in perceived quality and real-time performance, it has a trade-off in speaker similarity and word error rate compared to non-streaming models. AI
IMPACT Enables more natural and responsive voice interactions in real-time applications.
RANK_REASON Open-source release of a new model with performance benchmarks. [lever_c_demoted from research: ic=1 ai=1.0]
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