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Open-weight model · Fill mask

hEVO-large-o

by Mulin Lab MulinLab/hEVO-large-o

hEVO-large-o is a model for fill mask from Mulin Lab (access requested at publisher). It has 319M parameters. At 16-bit it needs about 0.8 GB of GPU memory, which fits on 1x MI300X from $1.85 an hour, at the lowest prices in the SAVRN Index. It draws 3 downloads a month.

hEVO-large-o is the large checkpoint in the hEvo public-data model family. It was independently pretrained on 1000 Genomes Project and Human Genome Diversity Project sequences using self-supervised masked language modeling.

Parameters319M
Context—
Weights642.3 MB
License—
AccessAccess requested at publisher
Monthly Downloads3

Runs On

What it takes to serve hEVO-large-o (319M parameters): the memory its weights need at each precision, and the cheapest way to rent enough data-center GPUs to hold them.

PrecisionWeightsMemory neededCheapest setupPer hourAlso fits
16-bit 0.6 GB 0.8 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 0.3 GB 0.4 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 0.2 GB 0.2 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00

Memory is the weights at that precision plus 20% for the runtime and a short context; a long context needs more. Prices are the lowest on-demand hourly rates in the SAVRN Index, read Oct 25, 2026.

hEVO-large-o on every accelerator the SAVRN Index prices, at every precision

Model Card

hEVO-large-o is the large checkpoint in the hEvo public-data model family. It was independently pretrained on 1000 Genomes Project and Human Genome Diversity Project sequences using self-supervised masked language modeling. The checkpoint provenance records no target benchmark label supervision. Use a Python environment with PyTorch and the checkpoint's tested Transformers version: Access is gated for peer reviewers and requires manual approval by MulinLab. Sign in to Hugging Face, submit an access request on this page, and wait for approval. After approval, run hf auth login with your own read token; token=True below uses your locally stored credential. The model and tokenizer load…

Excerpt from the card by Mulin Lab.

Identity and Version

Repository
MulinLab/hEVO-large-o
Publisher
Mulin Lab
Task
Fill mask
Modality
Text
Library
transformers
Parameters
319M parameters
Languages
Not stated by the source
Revision
6069aa9cc0ba251e4dcdab4a5e3482bc55872a55
First published
2026-10-14
Last updated
2026-10-19

Files and Weights

13 files, 643.9 MB in total. The weights are 1 file totalling 642.3 MB in safetensors.

Weights1 file · 642.3 MB
Configuration6 files · 40.3 KB
Tokenizer2 files · 1.4 KB
Documentation1 file · 10.2 KB
Other2 files · 1.6 MB
Repository1 file · 1.6 KB
Every file
FileTypeSizeSHA-256
model.safetensorsWeights642.3 MB —
config.jsonConfiguration1.6 KB —
data.pyConfiguration13.6 KB —
model.pyConfiguration22.7 KB —
provenance.jsonConfiguration768 B —
release_manifest.jsonConfiguration1.6 KB —
special_tokens_map.jsonConfiguration125 B —
README.mdDocumentation10.2 KB —
assets/header.pngOther1.6 MB —
requirements.txtOther61 B —
.gitattributesRepository1.6 KB —
tokenizer_config.jsonTokenizer1.3 KB —
vocab.jsonTokenizer101 B —

License and Download

License
Not stated by the source
Access
Access requested at publisher
Download size
642.3 MB
Request access from Mulin Lab

Mulin Lab grants access through its official repository on Hugging Face.

Memory Requirements

PrecisionWeights in memory
As published642.3 MB
16-bit0.6 GB
8-bit0.3 GB
4-bit0.2 GB

Weights only, from the published parameter count; the key-value cache and runtime add to this.

Questions About hEVO-large-o

How much GPU memory does hEVO-large-o need?

About 0.8 GB at 16-bit and 0.2 GB at 4-bit: the weights (319M parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run hEVO-large-o on?

At 16-bit, 1x MI300X from $1.85 an hour; at 4-bit, 1x MI300X from $1.85 an hour, at the lowest on-demand prices the SAVRN Index lists.

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