whatmodel.sh / tts / FastPitch 1.0 + WaveGlow

FastPitch 1.0 + WaveGlow

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FastPitch 1.0 + WaveGlow is an open-weights text-to-speech model from NVIDIA, released June 2020. Licence: bsd-3-clause.

Catalogue identity notes

Exact NVIDIA implementation with WaveGlow vocoder. Do not transfer these listening-study values to Coqui, SpeechBrain, HiFi-GAN or a differently trained checkpoint. Historical run dependencies documented upstream; no current one-command run verified.

Model information sources

· Weights licence ↗

No comparable score yet. Its published results are below, but they don't overlap enough with other models to calculate a score.

$ how it compares

Scored text-to-speech models released closest to FastPitch 1.0 + WaveGlow, out of 148 with a score, then more from NVIDIA.

#modelscorewhereRAMreleased
81Azure Ameha Neural Microsoft50±16comparison only2021-10
82Azure Mekdes Neural Microsoft50±16comparison only2021-10
124VITS (VCTK multi-speaker) Kakao Enterprise (Jaehyeon Kim et al.)34±5local~0.2GB2021-06
135Glow-TTS + HiFi-GAN (VCTK, VITS study) VITS study (public implementations)28±6comparison only2021-06
142Tacotron 2 + HiFi-GAN (VCTK, VITS study) VITS study (public implementations)19±6comparison only2021-06
more from NVIDIA
113Magpie TTS Multilingual 357M NVIDIA39±6local~0.7GB2026-07

see all text-to-speech models · find the ones that fit your machine

$ what it's good at

other tests2 not in a task · 0.0% of its score
testresultvs the others in its rundifficultycountswhy
FastPitch 2020 LJ Speech human MOS lab4.08 / 5 ✎█··········█ beats 1/1—not counted yet: no other model in the same run to compare it with
FastPitch 1.0 vs 1.1 pairwise preference (2021) lab43.5% ✎█··········█ beats 0/1—not counted yet: no other model in the same run to compare it with

$ where to run it

No verified API or download recorded yet · add one

Official weights and documentation: github.com/NVIDIA ↗

$ published results · 2 results, not enough overlap for a score
testresultsource and conditions
FastPitch 2020 LJ Speech human MOS4.08 / 5NVIDIA FastPitch: original listening studies in committed README · lab-reported

Committed README MOS table: 4.080 ± 0.133 (95% CI); grapheme inputs and WaveGlow (FastPitch paper Table 1). Store (MOS−1)/4.

FastPitch 1.0 vs 1.1 pairwise preference (2021)43.5%NVIDIA FastPitch: original listening studies in committed README · lab-reported

Committed README Average preference table, ±0.068. Pairwise preference between versions 1.0 and 1.1, not human MOS. Stored unchanged.

$ improve this page

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data updated · sources and licences · json