# Socio-Foundation-8B by Wenxuan Xie(SII): Open-Weight Model
Source: https://savrn.com/models/socio-foundation-8b
Markdown alternate of the page above; the site index is https://savrn.com/llms.txt

---

## 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.

| Precision | Weights | Memory needed | Cheapest setup | Per hour | Also fits |
| --- | --- | --- | --- | --- | --- |
| 16-bit | 16.4 GB | 19.7 GB | 1x [MI300X](https://savrn.com/ai-index/pricing/gpus/mi300x) (192 GB) Vultr | $1.85 | [1x H100](https://savrn.com/ai-index/pricing/gpus/h100) $1.99 · [1x MI325X](https://savrn.com/ai-index/pricing/gpus/mi325x) $2.00 |
| 8-bit | 8.2 GB | 9.8 GB | 1x [MI300X](https://savrn.com/ai-index/pricing/gpus/mi300x) (192 GB) Vultr | $1.85 | [1x H100](https://savrn.com/ai-index/pricing/gpus/h100) $1.99 · [1x MI325X](https://savrn.com/ai-index/pricing/gpus/mi325x) $2.00 |
| 4-bit | 4.1 GB | 4.9 GB | 1x [MI300X](https://savrn.com/ai-index/pricing/gpus/mi300x) (192 GB) Vultr | $1.85 | [1x H100](https://savrn.com/ai-index/pricing/gpus/h100) $1.99 · [1x MI325X](https://savrn.com/ai-index/pricing/gpus/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](https://savrn.com/ai-index/pricing/gpus), read Oct 9, 2026.

[Socio-Foundation-8B on every accelerator the SAVRN Index prices, at every precision](https://savrn.com/models/socio-foundation-8b/gpus)

## 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](https://arxiv.org/abs/2610.08967)。

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

| File | Type | Size | SHA-256 |
| --- | --- | --- | --- |
| model-00001-of-00004.safetensors | Weights | 4.9 GB | 431d9bac1f5d |
| model-00002-of-00004.safetensors | Weights | 4.9 GB | 6b220aa0cd02 |
| model-00003-of-00004.safetensors | Weights | 5.0 GB | a3fa1165c5a8 |
| model-00004-of-00004.safetensors | Weights | 1.6 GB | 85d5d0324713 |
| added_tokens.json | Configuration | 707 B | — |
| config.json | Configuration | 1.5 KB | — |
| generation_config.json | Configuration | 214 B | — |
| model.safetensors.index.json | Configuration | 32.9 KB | — |
| special_tokens_map.json | Configuration | 613 B | — |
| README.md | Documentation | 2.0 KB | — |
| chat_template.jinja | Other | 4.2 KB | — |
| .gitattributes | Repository | 1.6 KB | — |
| merges.txt | Tokenizer | 1.7 MB | — |
| tokenizer.json | Tokenizer | 11.4 MB | aeb13307a71a |
| tokenizer_config.json | Tokenizer | 5.4 KB | — |
| vocab.json | Tokenizer | 2.8 MB | — |

## License and Download

License

apache-2.0

Access

Open weights, no gate

Download size

16.4 GB

[Download from Wenxuan Xie(SII)](https://huggingface.co/SII-LancelotXie/Socio-Foundation-8B)

Released by Wenxuan Xie(SII) through its official repository on Hugging Face. [Read the license](https://www.apache.org/licenses/LICENSE-2.0).

## Built From

- Described by arXiv:2610.08967

## Memory Requirements

| Precision | Weights in memory |
| --- | --- |
| As published | 16.4 GB |
| 16-bit | 16.4 GB |
| 8-bit | 8.2 GB |
| 4-bit | 4.1 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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## Wenxuan Xie(SII)

[All models and datasets](https://savrn.com/model-publishers/sii-lancelotxie)

## Versions

- [537c97d78ee8](https://savrn.com/models/socio-foundation-8b/versions/537c97d78ee8) · current 2026-10-09

## Explore More

- [All text generation models](https://savrn.com/models/tasks/text-generation)
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## Source

- Repository metadata, read 2026-10-09.
- [Hugging Face record](https://huggingface.co/SII-LancelotXie/Socio-Foundation-8B)
- [How the hub is built](https://savrn.com/model-hub/methodology)
