Kokoro

Kokoro Ikiganiro

An 82M-parameter open model from Hexgrad that delivers studio-quality speech at nearly 100x real-time.

Kwiyandikisha kugirango Inyuguti

Umwandiko in Itagi: ya: Igenzura:

<speak><prosody rate="slow">Slow speech</prosody></speak>

i Byahiswemo Urugero - Kanda Kuri Gukuraho Rimwe Umwandiko:

Urugero: Bisanzwe Umwandiko, Umurongo: Itagi:. Itagi: -, Hindura Kuri Urugero: Nka Cyangwa.

Kugena (Ijambo =):

-12 +12
0.5x 2.0x
Na:,,
Audio Kugaragara. A Urugero:, Injiza Umwandiko, na Kanda.
Byaremwe
0:00
Iyimura Iyimura Ihuza in
Bwite Koresha Kuva: 5 /
TTS.ai? Abayobozi!

Ikiganiro Kokoro

Kokoro, built by Hexgrad, is a deliberately tiny 82-million-parameter model that punches far above its size class. It uses a StyleTTS + ISTFTNet architecture and was trained on roughly 1,200 hours of speech, yet generates audio close to 100x faster than real-time on a GPU while staying remarkably natural and expressive. It covers English, Japanese, Chinese, French, Italian, Portuguese, Spanish, and Hindi with a varied set of expressive voicepacks, and supports streaming. The combination of small footprint, low latency, and a permissive license has made Kokoro one of the most popular free models for high-volume and streaming use — it carries the largest share of traffic on TTS.ai.

kugirango: High-quality TTS with minimal latency, streaming applications

Gushakisha byose Kokoro Amashusho

A

Mukoraporogaramu
Hexgrad
Inyandiko y'Iyemererakoresha
Apache 2.0
Itariki
free
Umuvuduko
fast
Guhindura izina
Oya
Ururimi:
English, Japanese, Chinese, French, Italian, Portuguese, Spanish, Hindi
Inyuguti
500

Kokoro Amashusho

Adam

English
Kigenga Male

Alex

Spanish
Kigenga Male

Alex

Portuguese
Kigenga Male

Alpha

Japanese
Kigenga Female

Alpha

Hindi
Kigenga Female

Bella

English
Kigenga Female

Dora

Portuguese
Kigenga Female

Dora

Spanish
Kigenga Female

Emma (British)

English
Kigenga Female

George (British)

English
Kigenga Male

Gongitsune

Japanese
Kigenga Female

Heart

English
Kigenga Female

Isabella (British)

English
Kigenga Female

Lewis (British)

English
Kigenga Male

Michael

English
Kigenga Male

Nicola

Italian
Kigenga Male

Nicole

English
Kigenga Female

Omega

Hindi
Kigenga Male

Sara

Italian
Kigenga Female

Sarah

English
Kigenga Female

Siwis

French
Kigenga Female

Sky

English
Kigenga Female

Xiaobei

Chinese
Kigenga Female

Xiaoni

Chinese
Kigenga Female

Xiaoxiao

Chinese
Kigenga Female

Yunjian

Chinese
Kigenga Male

Kokoro -

Yes. Kokoro is released under the Apache 2.0 license and sits in the free tier, so it can be used commercially at no cost.

Kokoro is only 82M parameters and uses an efficient StyleTTS + ISTFTNet design, letting it generate audio nearly 100x faster than real-time on a GPU with just ~1.5GB VRAM while staying natural-sounding.

Kokoro supports English, Japanese, Chinese, French, Italian, Portuguese, Spanish, and Hindi, each with its own expressive voicepacks. It does not support voice cloning.
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