67 lines
4.4 KiB
Markdown
67 lines
4.4 KiB
Markdown
# S1-Base-1.5-8B-128K
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[中文版](./README.md) ｜ [English](./README_en.md)
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## Model Introduction
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This repository contains the S1-Base-1.5-8B-128K general scientific large language model, developed through post-training (SFT+GRPO) based on the scientific foundation model [S1-Base](https://modelscope.cn/collections/S1-Base-66b70cf6e51c48). This model maintains scientific reasoning capabilities while significantly enhancing long context understanding and reasoning abilities, as well as complex instruction following in scientific research scenarios. The model supports a context length of 128k.
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## Model Weights
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The S1-Base-1.5-8B-128K model is open-sourced under the Apache 2.0 license. You can download the model weights from our [Huggingface](https://huggingface.co/ScienceOne-AI/S1-Base-1.5-8B-128K) or [ModelScope](https://modelscope.cn/models/ScienceOne-AI/S1-Base-1.5-8B-128K).
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| Model Name | Huggingface Link | ModelScope Link |
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|-------------|-------------------------------------|-------------------------------------|
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|S1-Base-1.5-8B-128K | [Download](https://huggingface.co/ScienceOne-AI/S1-Base-1.5-8B-128K) | [Download](https://modelscope.cn/models/ScienceOne-AI/S1-Base-1.5-8B-128K) |
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## Model Evaluation
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To comprehensively validate the capabilities of S1-Base-1.5-128K, we conducted systematic evaluations across three core competencies: long context ability, instruction following ability, and scientific reasoning ability. The results are shown in the table below.
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| Benchmark | S1-Base-1.5-8B-128K | S1-Base-8B | Qwen3-8B | Intern-S1-mini | GLM-Z1-9B-0414 |
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| CLongEval | **36.18** | 27.51 | 33.62 | 32.82 | 25.71 |
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| InfiniteBench | **35.57** | 27.62 | 34.41 | 30.42 | 29.58 |
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| IFEval | **87.06** | 70.42 | 85.00 | 83.00 | 78.93 |
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| GPQA | **70.33** | 63.01 | 60.86 | 65.97 | 55.81 |
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| ChemBench | 61.59 | **62.74** | 57.79 | 57.54 | 55.85 |
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| LLM-MSE | 83.63 | **88.50** | 83.51 | 78.65 | 80.97 |
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| LAB bench | 37.54 | **37.63** | 26.52 | 29.11 | 29.89 |
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| AIME2024 | 77.92 | 75.42 | 74.60 | **85.00** | 79.37 |
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| LiveMathBench | **86.72** | 82.81 | 77.00 | **86.72** | 82.82 |
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**Key Highlights:**
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- 📜 **Enhanced Long Context Reasoning**: The model leads among base models and similar-sized models on public long-context benchmarks such as CLongEval and InfiniteBench, with significant improvements in custom long-text evaluations for real-world scenarios involving papers and web pages.
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- 🎯 **Improved Complex Instruction Following**: Built with a scientific literature instruction following task system covering four major categories—document understanding, structured generation, information extraction, and chart comprehension—combined with multi-dimensional constraints including length, format, and content. The model maintains leadership on benchmarks like IFEval.
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- 🔬 **Stable Scientific Reasoning Capability**: The model shows significant advantages on GPQA, a comprehensive scientific capability evaluation benchmark covering biology, physics, and chemistry. Performance on other scientific task evaluation benchmarks remains stable without significant fluctuations due to context expansion.
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- 👍 **User Feedback Data Flywheel**: Continuously optimizes model performance and user experience in real-world scenarios by incorporating user likes and dislikes feedback from the [ScienceOne](https://scienceone.cn) platform.
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## Deployment
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We recommend using [vLLM](https://github.com/vllm-project/vllm) to deploy S1-Base for efficient inference and OpenAI-compatible API services.
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**Quick start command example:**
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```bash
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pip install vllm
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vllm serve <your_s1_model_path> --served-model-name s1-base-1.5-8b-128k
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```
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The API request and response formats are basically consistent with OpenAI. Please refer to the official vLLM documentation for details.
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**Generate responses using OpenAI Python SDK:**
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```python
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from openai import OpenAI
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client = OpenAI(base_url="http://localhost:8000/v1", api_key="")
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resp = client.chat.completions.create(
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model="s1-base-1.5-8b-128k",
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messages=[{"role": "user", "content": "hi"}]
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)
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print(resp.choices[0].message.content)
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```
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**Generate responses using CURL:**
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```bash
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curl -X POST http://localhost:8000/v1/chat/completions -d '{"model": "s1-base-1.5-8b-128k", "messages":[{"role":"user", "content": "hi"}], "skip_special_tokens": false}' -H "Content-Type: application/json"
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``` |