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English TTS in just 1.4M parameters, vocoder included. PiVo-1.4M runs offline on a CPU with NumPy and ONNX Runtime, without PyTorch. 🤖 🪶 1.4M parameters, vocoder included: Generates 16 kHz mono speech with a compact acoustic model and FARGAN-derived vocoder. 🖥️ Built for local, offline use: Generate with either English voice, Pi or Vo, directly on CPU and begin playback in 10 ms audio frames after text encoding. 🗣️ Words come through clearly: PiVo reaches 0.532% WER on its held-out test set. The authors note that this measures intelligibility, not general English quality or naturalness. 🔤 Predictable English pronunciation: It expands numbers, currencies, ordinals, and ISO dates, while unsupported words raise a clear error instead of silently guessing. 📜 Code and acoustic weights are Apache-2.0. The FARGAN-derived vocoder uses Xiph/Opus BSD terms, and the pronunciation dictionary retains its CMU license.

Gradium TTS is now available on LiveKit Inference, free until Oct. 9. Gradium TTS is designed for conversational use cases, with voice cloning, low latency (below 250ms TTFA), and robust pronunciation on difficult cases. Select @GradiumAI as your TTS provider in LiveKit Inference, no additional account or API key required:

Audio8 TTS Preview 0.1B — now on Hugging Face as ONNX INT8 ~100M params · 11 languages · zero-shot voice cloning Runs on CPU only (~0.4 GB RAM) — no PyTorch, no CUDA 44.1 kHz · OpenAI-compatible API · Apache 2.0 Try it 👇 #TTS# #VoiceCloning# #ONNX# #OpenSource#

Modern TTS models can sound great — and still fail badly on pacing, pauses, and prosody. We adapted DPO + GRPO to flow-matching models to tackle the tail end of TTS behavior:

Grok TTS just took the top spot on The Humanness Index It scored 94 for humanness....just six points below the human baseline of 100 and achieved the highest model rating Even the cost difference is insane: • Grok TTS: $15 • Eleven v3: $100 Grok delivers the higher human-likeness score while costing nearly 7× less than the next model It is also faster, with 460 ms latency compared with 758 ms for Eleven v3 Grok TTS is delivering top-tier voice quality without the premium price

this TTS model generates speech 167x faster than you can hear it. Supertonic is an on-device TTS engine that runs via ONNX for cross-platform inference. - no GPU - 31 languages - captures every emotion - beats ElevenLabs on speed - runs even on a Raspberry Pi 100% open-source.

Gemini 3.8 TTS is live on AI Gateway. 100+ languages. Try both models: • 𝚐𝚘𝚘𝚐𝚕𝚎/𝚐𝚎𝚖𝚒𝚗𝚒-𝟹.𝟾-𝚏𝚕𝚊𝚜𝚑-𝚕𝚒𝚝𝚎-𝚝𝚝𝚜 • 𝚐𝚘𝚘𝚐𝚕𝚎/𝚐𝚎𝚖𝚒𝚗𝚒-𝟹.𝟾-𝚏𝚕𝚊𝚜𝚑-𝚝𝚝𝚜