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OuteTTS

Free

Pure language-model TTS with cross-lingual cloning.

Open-SourceMultilingualLLM-Based

Overview

OuteTTS approaches synthesis as a pure language-modelling task, making it simple to run with standard LLM tooling like llama.cpp. It supports voice cloning and a growing list of languages. The compact, dependency-light design lowers the barrier to integration.

What makes OuteTTS special?

  • Focus: LLM-native speech synthesis.
  • Availability: Free & Open-Source.
  • Use cases: Multilingual cloning and lightweight integrations.
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