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Open-weight model · Text generation

Spark-X2.6-4B-INT4

by SparkLLM XHToken/Spark-X2.6-4B-INT4

Spark-X2.6-4B-INT4 is an open-weight model for text generation from SparkLLM, released under Apache License 2.0. It has 2B parameters. At 16-bit it needs about 4.7 GB of GPU memory, which fits on 1x MI300X from $1.85 an hour, at the lowest prices in the SAVRN Index.

Parameters2B
Context—
Weights—
Licenseapache-2.0
AccessOpen weights
Monthly Downloads—

Runs On

What it takes to serve Spark-X2.6-4B-INT4 (2B 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 3.9 GB 4.7 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 2.0 GB 2.4 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 1.0 GB 1.2 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 22, 2026.

Spark-X2.6-4B-INT4 on every accelerator the SAVRN Index prices, at every precision

Model Card

Identity and Version

Repository
XHToken/Spark-X2.6-4B-INT4
Publisher
SparkLLM
Task
Text generation
Modality
Text
Library
transformers
Parameters
2B parameters
Languages
en, zh
Revision
090f0183cc70b837ac34cef7ba1d6af2a497b8ed
First published
2026-10-20
Last updated
2026-10-21

License and Download

License
apache-2.0
Access
Open weights, no gate
Download from SparkLLM

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

Built From

  • Derived from XHToken/Spark-X2.6-4B
  • Quantized from XHToken/Spark-X2.6-4B

Memory Requirements

PrecisionWeights in memory
16-bit3.9 GB
8-bit2.0 GB
4-bit1.0 GB

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

Questions About Spark-X2.6-4B-INT4

How much GPU memory does Spark-X2.6-4B-INT4 need?

About 4.7 GB at 16-bit and 1.2 GB at 4-bit: the weights (2B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run Spark-X2.6-4B-INT4 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 Spark-X2.6-4B-INT4 commercially?

Yes. Spark-X2.6-4B-INT4 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.

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