LLM EXPLORER 58,873 MODELS INDEXED

S1 0.5B by 2stacks

By 2stacks · 18 downloads
HF Repo ↗ Copy URL

S1 0.5B is an open-source language model by 2stacks. Features: 0.5b LLM, VRAM: 2.5GB, Context: 32K, License: apache-2.0, Instruction-Based, LLM Explorer Score: 0.17.

  Arxiv:2501.19393   Ar Base model:finetune:qwen/qwen2... Base model:qwen/qwen2.5-0.5b-i...   Conversational   Dataset:simplescaling/s1k   De   En   Endpoints compatible   Es   Fr   Instruct   It   Ja   Ko   Pt   Qwen2   Region:us   Ru   Safetensors   Th   Vi   Zh
Model Card on HF 🤗: https://huggingface.co/2stacks/s1-0.5B 

S1 0.5B Parameters and Internals

LLM NameS1 0.5B
Repository 🤗https://huggingface.co/2stacks/s1-0.5B 
Base Model(s)  Qwen/Qwen2.5-0.5B-Instruct   Qwen/Qwen2.5-0.5B-Instruct
Model Size0.5b
Required VRAM2.5 GB
Updated2026-08-19
Maintainer2stacks
Model Typeqwen2
Instruction-BasedYes
Model Files  2.5 GB   0.0 GB
Supported Languagesar de en es fr it ja ko pt ru th vi zh
Model ArchitectureQwen2ForCausalLM
Licenseapache-2.0
Context Length32768
Model Max Length32768
Transformers Version4.46.1
Tokenizer ClassQwen2Tokenizer
Padding Token<|fim_pad|>
Vocabulary Size151936
Torch Data Typefloat32
Errorsreplace

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Note: green Score (e.g. "73.2") means that the model is better than 2stacks/s1-0.5B.