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SPECIFICTION
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NVIDIA Magpie TTS vs OpenTTS

NVIDIA Magpie TTS

build.nvidia.com

OpenTTS

github.com

Side by side

FigureNVIDIA Magpie TTSOpenTTS
Price from$375/moFree
Free planYesYes
Free trialYes—
Open source——
WebYesYes
LinuxYesYes
APIYesYes
Self-hostedYesYes
Plans published21
Spec score · Text-to-speech tools9.4 (#1)8.1 (#92)
Spec score · Text-to-Speech Software9.0 (#14)8.1 (#99)
API accessYesYes
Commercial useNVIDIA marks this release as ready for commercial use under its stated terms.Yes
Export formatsWAVWAV
HTTP APIThe hosted model exposes HTTP endpoints for listing voices and synthesizing speech, authenticated with an NVIDIA API key.The API provides text-to-WAV, voice-listing, and language-listing endpoints.
Platformsweb,linux,api,self_hostedweb,linux,API,self-hosted

Plans

NVIDIA Magpie TTS

  • NVIDIA Developer ProgramFree
  • NVIDIA AI Enterprise$4,500 a year

NVIDIA Magpie TTS pricing →

OpenTTS

  • OpenTTSFree

OpenTTS pricing →

In their own words

NVIDIA Magpie TTS

NVIDIA Magpie TTS has no write-up on Specifiction yet; its figures are above.

Visit build.nvidia.com

OpenTTS

OpenTTS has no write-up on Specifiction yet; its figures are above.

Visit github.com