Model reference · open weights

neutts-air

neutts-air is an open-weight audio or speech model from neuphonic. neutts-air (BF16) weighs 1.5 GB; the smallest configuration that runs it is RTX 3060 12 GB.

• NeuTTS Air is a text-to-speech model developed by Neuphonic that features instant voice cloning and is optimized for on-device deployment.
• The model contains 748M parameters and is built on a Qwen 0.5B backbone, allowing for real-time generation on mid-range devices.
• It is distributed under the Apache 2.0 license and available in GGML format for efficient inference.

Summary of the neuphonic/neutts-air model card, 2026-10-01

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