Kokoro
hexgrad class A live
82M-parameter open-weights (Apache-2.0) TTS that punches far above its size; 54 voices, 8 languages, no cloning, briefly #1 on TTS Arena.
Layer 1 — factual axes
| API & price | self-host only (no official vendor API) | official | source ↗ 2026-07-04 |
|---|---|---|---|
| Voices | 54 | official | source ↗ 2026-07-04 |
| Voice cloning | no | official | source ↗ 2026-07-04 |
| Languages | 8 | official | source ↗ 2026-07-04 |
| Weights | open · Apache-2.0 | official | source ↗ 2026-07-04 |
| Free tier | open self-host | official | source ↗ 2026-07-04 |
Layer 2 — output quality
1059 / 1600
82M-parameter open-weights (Apache-2.0) TTS that punches far above its size; 54 voices, 8 languages, no cloning, briefly #1 on TTS Arena.