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Kokoro-FastAPI vs Google Cloud Text-to-Speech: catalog facts
Kokoro-FastAPIGoogle Cloud Text-to-Speech

Best for: Self-hosting a fast text-to-speech back end for apps, readers or Home Assistant

Best for: Developers adding speech output to apps and services

Free

Free and open source under the Apache 2.0 licence.

Paid

Billed through a Google Cloud account; rates are on Google's pricing page.

macOS, Linux, Self-hosted Web
  • 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
  • More than 380 voices across 75+ languages and variants
  • Gemini-powered voices
All 3 strengths for Google Cloud Text-to-Speech
  • More than 380 voices across 75+ languages and variants
  • Gemini-powered voices
  • Integrates with other Google Cloud services
  • AMD GPU support is experimental
  • Apple Silicon has no prebuilt image
  • Requires a Google Cloud account and billing setup
  • Built for developers calling an API, not for casual use
Self-hosted Hosted service
Open source Not open source
License: Apache-2.0 License not stated
No account needed Account needed
Not stated if it works offline Needs internet
Sources for Kokoro-FastAPI

Catalog checked September 26, 2026

Sources for Google Cloud Text-to-Speech

Catalog checked October 2, 2026

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