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Kokoro-FastAPI vs AllTalk TTS: catalog facts
Kokoro-FastAPI	AllTalk TTS
Best for: Self-hosting a fast text-to-speech back end for apps, readers or Home Assistant	Best for: Local voice output and voice cloning for AI chat front ends
Free Free and open source under the Apache 2.0 licence.	Free Free and open source under the AGPL-3.0 licence.
macOS, Linux, Self-hosted	Windows, Linux, Self-hosted
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	Voice finetuning on your own samples Integrates with SillyTavern, KoboldCPP and Text-generation-webui All 4 strengths for AllTalk TTS Voice finetuning on your own samples Integrates with SillyTavern, KoboldCPP and Text-generation-webui Low VRAM mode and DeepSpeed support Bulk generator for long narration
AMD GPU support is experimental Apple Silicon has no prebuilt image	Version 1 and version 2 are documented separately, which can confuse new users Setup utility covers Windows and Linux only
Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License: AGPL-3.0
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
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 AllTalk TTS github.com/erew123/alltalk_tts Catalog checked September 26, 2026

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