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Kokoro-FastAPI vs edge-tts: catalog facts
Kokoro-FastAPI	edge-tts
Best for: Self-hosting a fast text-to-speech back end for apps, readers or Home Assistant	Best for: Generating narration audio and subtitles from the terminal or a script
Free Free and open source under the Apache 2.0 licence.	Free Free and open source; it uses Microsoft's online service at no cost.
macOS, Linux, Self-hosted	Windows, macOS, Linux, Command line
OpenAI-compatible speech endpoint Prebuilt multi-architecture Docker images with models included All 4 strengths for Kokoro-FastAPI OpenAI-compatible speech endpoint Prebuilt multi-architecture Docker images with models included Caption timestamps and phoneme endpoints Voice mixing and SSML support	No API key or Microsoft account needed Writes subtitles alongside the audio All 4 strengths for edge-tts No API key or Microsoft account needed Writes subtitles alongside the audio Large choice of neural voices and languages Simple pip or pipx install
AMD GPU support is experimental Apple Silicon has no prebuilt image	Depends on Microsoft's online service, so it needs internet and could break if the service changes Playback command needs mpv on macOS and Linux
Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0	License: LGPL-3.0
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Sources for Kokoro-FastAPI github.com/remsky/Kokoro-FastAPI Catalog checked September 26, 2026	Official website Full listing and sources Sources for edge-tts github.com/rany2/edge-tts Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.