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Open-weight model

Artemis-31B-v1.2-NVFP4

by Jim Tebo FaustianDeal/Artemis-31B-v1.2-NVFP4

Artemis-31B-v1.2-NVFP4 is an open-weight model from Jim Tebo. It has 18.5B parameters and a 262,144-token context. At 16-bit it needs about 44.3 GB of GPU memory, which fits on 1x MI300X from $1.85 an hour, at the lowest prices in the SAVRN Index.

This is a calibrated NVIDIA NVFP4 conversion of TheDrummer/Artemis-31B-v1.2, a fine-tune of google/gemma-4-31B. It is provided as a compressed-tensors safetensors checkpoint for runtimes that support Gemma 4 and nvfp4-pack-quantized.

Parameters18.5B
Context262,144
Weights20.4 GB
License—
AccessOpen weights
Monthly Downloads—

Runs On

What it takes to serve Artemis-31B-v1.2-NVFP4 (18.5B 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 36.9 GB 44.3 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 18.5 GB 22.2 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 9.2 GB 11.1 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 24, 2026.

Artemis-31B-v1.2-NVFP4 on every accelerator the SAVRN Index prices, at every precision

Model Card

This is a calibrated NVIDIA NVFP4 conversion of TheDrummer/Artemis-31B-v1.2, a fine-tune of google/gemma-4-31B. It is provided as a compressed-tensors safetensors checkpoint for runtimes that support Gemma 4 and nvfp4-pack-quantized. The original fine-tune is credited to TheDrummer; this repository contains a precision conversion. The checkpoint has two safetensors shards totaling 20,446,828,448 bytes (19.04 GiB), plus its configuration, tokenizer, chat template, processor configuration, recipe, and conversion manifest. Download the whole repository to use this format. The two weight shards alone are insufficient. - The tokenizer and chat template match the source checkpoint by SHA-256.…

Excerpt from the card by Jim Tebo.

Configuration

Architecture
Gemma4ForConditionalGeneration
Context length (tokens)
262,144
Layers
60
Hidden size
5,376
Feed-forward size
21,504
Attention heads
32
Key/value heads
16
Head dimension
256
Vocabulary size
262,144
Sliding window (tokens)
1,024
Model type
gemma4
Quantization
compressed-tensors

Identity and Version

Repository
FaustianDeal/Artemis-31B-v1.2-NVFP4
Publisher
Jim Tebo
Task
Not stated by the source
Modality
Other
Library
Not stated by the source
Parameters
18.5B parameters
Languages
Not stated by the source
Revision
0d3668f9624fa59881e23cebabaf44b5239a94fd
First published
2026-09-26
Last updated
2026-09-26

Files and Weights

13 files, 20.5 GB in total. The weights are 2 files totalling 20.4 GB in safetensors.

Weights2 files · 20.4 GB
Configuration6 files · 275.7 KB
Tokenizer2 files · 32.2 MB
Documentation1 file · 2.7 KB
Other1 file · 18.7 KB
Repository1 file · 1.6 KB
Every file
FileTypeSizeSHA-256
model-00001-of-00002.safetensorsWeights20.0 GB dbe043d04d5f
model-00002-of-00002.safetensorsWeights450.1 MB 08ec9c8929bc
config.jsonConfiguration19.0 KB —
conversion_manifest.jsonConfiguration450 B —
generation_config.jsonConfiguration204 B —
model.safetensors.index.jsonConfiguration254.2 KB —
processor_config.jsonConfiguration1.7 KB —
recipe.yamlConfiguration257 B —
README.mdDocumentation2.7 KB —
chat_template.jinjaOther18.7 KB —
.gitattributesRepository1.6 KB —
tokenizer.jsonTokenizer32.2 MB cc8d3a0ce364
tokenizer_config.jsonTokenizer3.7 KB —

License and Download

License
Not stated by the source
Access
Open weights, no gate
Download size
20.4 GB
Download from Jim Tebo

Released by Jim Tebo through its official repository on Hugging Face.

Built From

  • Derived from TheDrummer/Artemis-31B-v1.2
  • Quantized from TheDrummer/Artemis-31B-v1.2

Memory Requirements

PrecisionWeights in memory
As published20.4 GB
16-bit36.9 GB
8-bit18.5 GB
4-bit9.2 GB

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

Questions About Artemis-31B-v1.2-NVFP4

How much GPU memory does Artemis-31B-v1.2-NVFP4 need?

About 44.3 GB at 16-bit and 11.1 GB at 4-bit: the weights (18.5B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run Artemis-31B-v1.2-NVFP4 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.

What is Artemis-31B-v1.2-NVFP4's context length?

262,144 tokens, from the maximum position embeddings in its published configuration.