LLM EXPLORER 58,873 MODELS INDEXED

S1.1 1.5B by 2stacks

By 2stacks · 18 downloads

S1.1 1.5B is an open-source language model by 2stacks. Features: 1.5b LLM, VRAM: 3.1GB, 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/qwen2.5-1.5b-i...   Conversational   Dataset:simplescaling/s1k-1.1   De   En   Endpoints compatible   Es   Fr   Instruct   It   Ja   Ko   Pt   Qwen2   Region:us   Ru   Safetensors   Th   Vi   Zh
Model Card on HF πŸ€—: https://huggingface.co/2stacks/s1.1-1.5B 

S1.1 1.5B Parameters and Internals

LLM NameS1.1 1.5B
Repository πŸ€—https://huggingface.co/2stacks/s1.1-1.5B 
Base Model(s)  Qwen/Qwen2.5-1.5B-Instruct   Qwen/Qwen2.5-1.5B-Instruct
Model Size1.5b
Required VRAM3.1 GB
Updated2026-08-19
Maintainer2stacks
Model Typeqwen2
Instruction-BasedYes
Model Files  3.1 GB   0.0 GB
Supported Languagesen fr zh es pt de it ru ja ko vi th ar
Model ArchitectureQwen2ForCausalLM
Licenseapache-2.0
Context Length32768
Model Max Length32768
Transformers Version4.46.1
Tokenizer ClassQwen2Tokenizer
Padding Token<|fim_pad|>
Vocabulary Size151936
Torch Data Typebfloat16
Errorsreplace

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Note: green Score (e.g. "73.2") means that the model is better than 2stacks/s1.1-1.5B.