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Open-weight model · Text generation

Socio-Foundation-8B

by Wenxuan Xie(SII) SII-LancelotXie/Socio-Foundation-8B

Socio-Foundation-8B is an open-weight model for text generation from Wenxuan Xie(SII), released under Apache License 2.0. It has 8.2B parameters and a 40,960-token context. At 16-bit it needs about 19.7 GB of GPU memory, which fits on 1x MI300X from $1.85 an hour, at the lowest prices in the SAVRN Index. It draws 144 downloads a month.

Socio-Foundation-8B 是一个采用 Qwen3 架构的因果语言模型。本仓库提供完整的 BF16 模型权重、配置文件、分词器和聊天模板,可通过 Hugging Face Transformers 加载。 作者:Liang Wang, Wenxuan Xie, Xinyi Mou, Yixin Luo, Zhongyu Wei。 训练方法、FONTS 能力体系和 IndiEval 评测结果详见论文。 Apache-2.0。

Parameters8.2B
Context40,960
Weights16.4 GB
Licenseapache-2.0
AccessOpen weights
Monthly Downloads144

Runs On

What it takes to serve Socio-Foundation-8B (8.2B 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 16.4 GB 19.7 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
8-bit 8.2 GB 9.8 GB 1x MI300X (192 GB)
Vultr
$1.85 1x H100 $1.99 · 1x MI325X $2.00
4-bit 4.1 GB 4.9 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 9, 2026.

Socio-Foundation-8B on every accelerator the SAVRN Index prices, at every precision

Model Card

By Wenxuan Xie(SII), published under apache-2.0, revision 537c97d78ee8.

Socio-Foundation-8B 是一个采用 Qwen3 架构的因果语言模型。本仓库提供完整的 BF16 模型权重、配置文件、分词器和聊天模板,可通过 Hugging Face Transformers 加载。 作者:Liang Wang, Wenxuan Xie, Xinyi Mou, Yixin Luo, Zhongyu Wei。 训练方法、FONTS 能力体系和 IndiEval 评测结果详见论文。 Apache-2.0。

Read Wenxuan Xie(SII)'s full model card

Socio-Foundation-8B 是一个采用 Qwen3 架构的因果语言模型。本仓库提供完整的 BF16 模型权重、配置文件、分词器和聊天模板,可通过 Hugging Face Transformers 加载。

论文

本模型对应论文 Socio-Foundation: A Model for Generalizable Individual Behavior Simulation via Hierarchical Capability Distillation。

作者:Liang Wang, Wenxuan Xie, Xinyi Mou, Yixin Luo, Zhongyu Wei。

训练方法、FONTS 能力体系和 IndiEval 评测结果详见论文。

模型信息

项目 说明
模型架构 Qwen3ForCausalLM
参数量 约 8.19B
Transformer 层数 36
权重精度 BF16
权重格式 Safetensors,共 4 个分片
权重数据大小 约 16.38 GB

快速使用

安装依赖:

pip install "transformers>=4.55.4,<5" accelerate torch

加载模型并生成文本:

from transformers import AutoModelForCausalLM, AutoTokenizer

model_id = "SII-LancelotXie/Socio-Foundation-8B"

tokenizer = AutoTokenizer.from_pretrained(model_id)
model = AutoModelForCausalLM.from_pretrained(
    model_id,
    torch_dtype="auto",
    device_map="auto",
)

messages = [{"role": "user", "content": "请介绍一下你自己。"}]
text = tokenizer.apply_chat_template(
    messages,
    tokenize=False,
    add_generation_prompt=True,
    enable_thinking=False,
)
inputs = tokenizer(text, return_tensors="pt").to(model.device)
outputs = model.generate(**inputs, max_new_tokens=256, use_cache=True)
response = outputs[0, inputs["input_ids"].shape[1]:]
print(tokenizer.decode(response, skip_special_tokens=True))

说明

本仓库包含完整模型权重,可直接加载,无需另行合并适配器。训练细节与评测结果请参阅上述论文。

许可证

Apache-2.0。

Configuration

Architecture
Qwen3ForCausalLM
Context length (tokens)
40,960
Layers
36
Hidden size
4,096
Feed-forward size
12,288
Attention heads
32
Key/value heads
8
Head dimension
128
Vocabulary size
151,936
RoPE base
1,000,000
Stored precision
bfloat16
Model type
qwen3

Identity and Version

Repository
SII-LancelotXie/Socio-Foundation-8B
Publisher
Wenxuan Xie(SII)
Task
Text generation
Modality
Text
Library
transformers
Parameters
8.2B parameters
Languages
Not stated by the source
Revision
537c97d78ee8924c12492a406ff667872c750a80
First published
2026-10-06
Last updated
2026-10-09

Files and Weights

16 files, 16.4 GB in total. The weights are 4 files totalling 16.4 GB in safetensors.

Weights4 files · 16.4 GB
Configuration5 files · 36.0 KB
Tokenizer4 files · 15.9 MB
Documentation1 file · 2.0 KB
Other1 file · 4.2 KB
Repository1 file · 1.6 KB
Every file
FileTypeSizeSHA-256
model-00001-of-00004.safetensorsWeights4.9 GB 431d9bac1f5d
model-00002-of-00004.safetensorsWeights4.9 GB 6b220aa0cd02
model-00003-of-00004.safetensorsWeights5.0 GB a3fa1165c5a8
model-00004-of-00004.safetensorsWeights1.6 GB 85d5d0324713
added_tokens.jsonConfiguration707 B —
config.jsonConfiguration1.5 KB —
generation_config.jsonConfiguration214 B —
model.safetensors.index.jsonConfiguration32.9 KB —
special_tokens_map.jsonConfiguration613 B —
README.mdDocumentation2.0 KB —
chat_template.jinjaOther4.2 KB —
.gitattributesRepository1.6 KB —
merges.txtTokenizer1.7 MB —
tokenizer.jsonTokenizer11.4 MB aeb13307a71a
tokenizer_config.jsonTokenizer5.4 KB —
vocab.jsonTokenizer2.8 MB —

License and Download

License
apache-2.0
Access
Open weights, no gate
Download size
16.4 GB
Download from Wenxuan Xie(SII)

Released by Wenxuan Xie(SII) through its official repository on Hugging Face. Read the license.

Built From

  • Described by arXiv:2610.08967

Memory Requirements

PrecisionWeights in memory
As published16.4 GB
16-bit16.4 GB
8-bit8.2 GB
4-bit4.1 GB

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

Questions About Socio-Foundation-8B

How much GPU memory does Socio-Foundation-8B need?

About 19.7 GB at 16-bit and 4.9 GB at 4-bit: the weights (8.2B parameters) plus a working margin. A long context needs more.

What is the cheapest GPU to run Socio-Foundation-8B 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 Socio-Foundation-8B commercially?

Yes. Socio-Foundation-8B 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 Socio-Foundation-8B's context length?

40,960 tokens, from the maximum position embeddings in its published configuration.

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