Project AURIONAI Use-Cases Research & Innovation
hexgrad
speech synthesis

Kokoro-82M

Tiny open TTS model with 11.2M Hugging Face downloads.

Figure from the Kokoro-82M model card.
Levelmodel
Classspeech synthesis
Parameters82M
Contextnot in the notes
Released27 Jan 2025
Opennessopen weights permissive
Runs onCPU server
Statusactive

From the model's own page; who made each picture and where it comes from are listed on the Image Credits page.

Lineage

distillsuccessor
Kokoro-82M to sanoTTS: distill, medium confidenceKokoro v0.19 to Kokoro-82M: successor, high confidenceKokoro v0.19Kokoro v0.19hexgradKokoro-82MKokoro-82Mhexgrad, Jan 2025sanoTTSsanoTTSAmpixa, Jul 2026
AmpixasanoTTS is a child (distill)medium confidencemodel card
hexgradKokoro v0.19 is the parent (successor)high confidencenotes
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 3 models. Confidence and evidence are the notes' own.

R&D Topics

Identity

Developer
hexgrad
Family
not in the notes
Released
27 Jan 2025 sourcesregistry date
Weights published
–
Record checked
10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
other StyleTTS 2 plus ISTFTNet
Total parameters
82M sources
Active parameters
–
Checkpoint parameters
–
Context length
not in the notes
Input
text
Output
audio
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights permissive
Licence
Apache License 2.0 sources
Access routes
open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
CPU server
Footprint
Edge / CPU class
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
8 languages (v1.0); Indonesian not stated
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Benchmark Results

The notes record no benchmark result for this model.

Industry Use Cases

No industry use case links this model.

Sources

  1. hexgrad/Kokoro-82M , Hugging Face huggingface.co https://huggingface.co/hexgrad/Kokoro-82M

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Kokoro-82M", https://aurion.semai.id/models/hexgrad-kokoro-82m/, records of October 2026.