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Open-weight model · Text generation

Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit

by MLX Community mlx-community/Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit

Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit is an open-weight model for text generation from MLX Community, released under Apache License 2.0. It has 14.4B parameters and a 262,400-token context. At 16-bit it needs about 34.6 GB of GPU memory, which fits on 1x MI300X from $1.85 an hour, at the lowest prices in the SAVRN Index.

Parameters14.4B
Context262,400
Weights8.1 GB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads—

Runs On

What it takes to serve Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit (14.4B 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 28.9 GB 34.6 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 14.4 GB 17.3 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 7.2 GB 8.7 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 23, 2026.

Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit on every accelerator the SAVRN Index prices, at every precision

Model Card

The publisher has not written a card for this model.

Configuration

Architecture
LlavaForConditionalGeneration
Context length (tokens)
262,400
Layers
48
Hidden size
5,120
Feed-forward size
14,336
Attention heads
32
Key/value heads
8
Head dimension
128
Vocabulary size
131,072
RoPE base
1e+09
Stored precision
bfloat16
Model type
llava

Identity and Version

Repository
mlx-community/Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit
Publisher
MLX Community
Task
Text generation
Modality
Text
Library
mlx
Parameters
14.4B parameters
Languages
en
Revision
460252dc9d1a3b5de1ad53448a8d8fff430c7450
First published
2026-10-18
Last updated
2026-10-18

Files and Weights

11 files, 8.1 GB in total. The weights are 2 files totalling 8.1 GB in safetensors.

Weights2 files · 8.1 GB
Configuration4 files · 115.5 KB
Tokenizer2 files · 17.3 MB
Documentation1 file · 297 B
Other1 file · 6.3 KB
Repository1 file · 1.6 KB
Every file
FileTypeSizeSHA-256
model-00001-of-00002.safetensorsWeights5.4 GB d092b2b5c0e2
model-00002-of-00002.safetensorsWeights2.8 GB 3add73477bb4
config.jsonConfiguration3.0 KB —
generation_config.jsonConfiguration111 B —
model.safetensors.index.jsonConfiguration111.8 KB —
special_tokens_map.jsonConfiguration552 B —
README.mdDocumentation297 B —
chat_template.jinjaOther6.3 KB —
.gitattributesRepository1.6 KB —
tokenizer.jsonTokenizer17.1 MB 84f33e6f52b2
tokenizer_config.jsonTokenizer177.1 KB —

License and Download

License
apache-2.0
Access
Open weights, no gate
Download size
8.1 GB
Download from MLX Community

Released by MLX Community through its official repository on Hugging Face. Read the license.

Built From

  • Derived from sainikhiljuluri2015/Apriel-1.5-15b-Thinker-CYBERSEC-MERGED
  • Quantized from sainikhiljuluri2015/Apriel-1.5-15b-Thinker-CYBERSEC-MERGED
  • Trained on (disclosed) NSL-KDD

Memory Requirements

PrecisionWeights in memory
As published8.1 GB
16-bit28.9 GB
8-bit14.4 GB
4-bit7.2 GB

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

Questions About Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit

How much GPU memory does Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit need?

About 34.6 GB at 16-bit and 8.7 GB at 4-bit: the weights (14.4B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit 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.

Can I use Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit commercially?

Yes. Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit is released under Apache License 2.0. The Apache License 2.0 is a permissive open-source license. It permits commercial use, modification and redistribution. It requires keeping the license and copyright notices and any NOTICE file, stating significant changes, and it includes an express patent grant from contributors.

What is Apriel-1.5-15b-Thinker-CYBERSEC-MERGED-4bit's context length?

262,400 tokens, from the maximum position embeddings in its published configuration.

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