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.
Tí o dara jù fún: High-quality TTS with minimal latency, streaming applications
English, Japanese, Chinese, French, Italian, Portuguese, Spanish, Hindi
Àwọn àyọkà ìpele
500
Kokoro Àwọn àwòrán
Adam
English
Àìfẹ́Male
Alex
Spanish
Àìfẹ́Male
Alex
Portuguese
Àìfẹ́Male
Alpha
Hindi
Àìfẹ́Female
Alpha
Japanese
Àìfẹ́Female
Bella
English
Àìfẹ́Female
Dora
Spanish
Àìfẹ́Female
Dora
Portuguese
Àìfẹ́Female
Emma (British)
English
Àìfẹ́Female
George (British)
English
Àìfẹ́Male
Gongitsune
Japanese
Àìfẹ́Female
Heart
English
Àìfẹ́Female
Isabella (British)
English
Àìfẹ́Female
Lewis (British)
English
Àìfẹ́Male
Michael
English
Àìfẹ́Male
Nicola
Italian
Àìfẹ́Male
Nicole
English
Àìfẹ́Female
Omega
Hindi
Àìfẹ́Male
Sara
Italian
Àìfẹ́Female
Sarah
English
Àìfẹ́Female
Siwis
French
Àìfẹ́Female
Sky
English
Àìfẹ́Female
Xiaobei
Chinese
Àìfẹ́Female
Xiaoni
Chinese
Àìfẹ́Female
Xiaoxiao
Chinese
Àìfẹ́Female
Yunjian
Chinese
Àìfẹ́Male
Kokoro Àwọn Àtòjọ-ẹ̀yàn
Kokoro is released under the Apache 2.0 license and sits in the free tier. On TTS.ai, audio you make with it is for personal use on the free tier and can be used commercially on any paid plan.
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.
Fi àkọlé rẹ̀ sípò láti gba àwọn àbùdá 15,000 tí a kò fẹ́ ki o si kọ́ ìṣàfilọ́lẹ̀ àwọn àkọlé.
Kò ní àmì-àṣírí kan tí a fẹ́ — a óò fi líǹkì kọ́ọ̀kan ranṣẹ sí ọ̀rọ̀ìmọ̀ láti fi àwọn pàtó nígbà kejì.
Àwọn ààyè-iṣẹ́ tí a fi pamọ́
O ti lo àwọn àmì-àṣírí ọ̀fẹ̀ rẹ̀ 5,000 ní ọjọ́ kan. Ṣẹ̀dà kànẹ́ẹ̀lì ọ̀fẹ̀ láti gba àwọn àmì-àṣírí bónus 15,000 tí a fi 10,000 àwọn àmì-àṣírí ọ̀fẹ̀ pamọ́ ní gbogbo oṣù.
Àwọn ìdájú ìdájú àwọn ìdájú ọjọ́ nínú aagóọ̀kan UTC.
Àwọn Àbùdá Tí Kò Ní
O kò ní àwọn àyọkà to kù jù lọ fún àwòrán yìí. Àwòrán tí a fi pamọ́ (Kokoro, Piper, VITS, MeloTTS, Pocket TTS) ní a fi pamọ́ ní gbogbo àyò.
Fi àrẹ̀sì rẹ̀ sílẹ̀ - àwọn àmì-àṣírí kò ní àwọn tí a fẹ́. Jẹ́ kí o ń wòye àwọn àwòrán àwòrán AI.
Kò ní àmì-àṣírí kan tí a fẹ́ — a óò fi líǹkì kọ́ọ̀kan ranṣẹ sí ọ̀rọ̀ìmọ̀ láti fi àwọn pàtó nígbà kejì.
Àwọn ààyè-iṣẹ́ tí a fi pamọ́
Ó
Ṣẹ̀dà kọ̀ǹpútà ọ̀fẹ̀ kan láti gba 15 kọ̀ǹpútà àti ìṣàfilọ́lẹ̀ sí àwọn móòdù àwọn ẹ̀yàn, àwọn ìgbà ìdáràn àwọn àwòrán tí o gà jú, àti àwọn mìíràn.
Fi àwọn ìrànwọ́ pamọ́ sí wa
Fi wà sọ̀rọ̀ ohun tí a tílẹ̀ jẹ́ tàbí ohun tí o tí ǹró. A kọ́ gbogbo àkọlé.
O ṣeun — a ti gba o. Ti o ba ti fi imeeli ranṣẹ, a yoo dáwọ́.