Kai Izumoto

StentorLabs

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AI & ML interests

I'm Kai Izumoto, an independent AI researcher and developer building compact, efficient language models through StentorLabs. I'm passionate about democratizing AI research by demonstrating what's possible on free-tier hardware and accessible compute.

Recent Activity

published a model 24 minutes ago

StentorLabs/Portimbria-150M

updated a Space about 3 hours ago

StentorLabs/StentorLabs-demo_space

updated a model about 4 hours ago

StentorLabs/Portimbria-150M

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StentorLabs 's collections 5

StentorLabs Community Builds

Community-created projects, variants, and experiments built on top of StentorLabs model releases.

CastIronMind/Stentor-Big

Text Generation • 0.1B • Updated 26 days ago • 4.82k • 3
CastIronMind/stentor_python_30m

Text Generation • 30.4M • Updated Mar 4 • 25 • 2
mradermacher/Stentor-30M-Instruct-GGUF

Text Generation • 30.4M • Updated Feb 22 • 137 • 4
mradermacher/Stentor-30M-GGUF

Text Generation • 30.4M • Updated Feb 21 • 99 • 3

Research Papers (Datasets, but not designed to train AI)

Independent, transparent research into small and large language models .

StentorLabs/niche-retrieval-case-study-feb2026

Viewer • Updated Mar 1 • 2.82k • 99
StentorLabs/BPE-vs.-Unigram-Tokenization-at-Constrained-Vocabulary-Sizes

Viewer • Updated 4 days ago • 1 • 26

Stentor1

The Stentor1 series is StentorLabs’ first family of transparent 12M- and 30M-parameter Llama-style models trained from scratch on free-tier hardware.

StentorLabs/Stentor-30M

Text Generation • 30.4M • Updated Feb 21 • 282 • 3
StentorLabs/Stentor-12M

Text Generation • 12M • Updated Feb 10 • 41 • 1
StentorLabs/Stentor-30M-Instruct

Text Generation • 30.4M • Updated Feb 22 • 62 • 1
StentorLabs/Stentor-12M-Instruct

Text Generation • 12M • Updated Feb 22 • 13 • 1

Datasets

StentorLabs high quality datasets for training language models.

StentorLabs/StenCore-PDF

Viewer • Updated Mar 6 • 149k • 86

Stentor2

The Stentor2 series is an improved version of the Stentor1 series, featuring refinements while keeping full transparency.

StentorLabs/Stentor2-12M-Preview

Text Generation • 12.3M • Updated Feb 25 • 12
StentorLabs/Stentor2-12M

Text Generation • 12.3M • Updated Mar 8 • 53 • 2
StentorLabs/Stentor2-30M

Text Generation • 30.4M • Updated 22 days ago • 149 • 2