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SmallThinker 21BA3B Instruct by PowerInfer

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SmallThinker 21BA3B Instruct is an open-source language model by PowerInfer. Features: 21b LLM, VRAM: 43GB, Context: 16K, License: apache-2.0, Instruction-Based, LLM Explorer Score: 0.21.

  Arxiv:2507.20984   En   Endpoints compatible   Instruct   Moe   Region:us   Safetensors   Sharded   Tensorflow
Model Card on HF 🤗: https://huggingface.co/PowerInfer/SmallThinker-21BA3B-Instruct 

SmallThinker 21BA3B Instruct Benchmarks

LLME Score: 0.21102
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
SmallThinker 21BA3B Instruct (PowerInfer/SmallThinker-21BA3B-Instruct)

SmallThinker 21BA3B Instruct Parameters and Internals

LLM NameSmallThinker 21BA3B Instruct
Repository 🤗https://huggingface.co/PowerInfer/SmallThinker-21BA3B-Instruct 
Model Namesmallthinker_21b_instruct
Model Size21b
Required VRAM43 GB
Updated2025-09-23
MaintainerPowerInfer
Instruction-BasedYes
Model Files  5.0 GB: 1-of-9   5.0 GB: 2-of-9   5.0 GB: 3-of-9   5.0 GB: 4-of-9   5.0 GB: 5-of-9   5.0 GB: 6-of-9   5.0 GB: 7-of-9   5.0 GB: 8-of-9   3.0 GB: 9-of-9   0.1 GB
Supported Languagesen
Model ArchitectureSmallThinkerForCausalLM
Licenseapache-2.0
Context Length16384
Model Max Length16384
Transformers Version4.53.3
Tokenizer ClassQwen2Tokenizer
Padding Token<|endoftext|>
Vocabulary Size151936
Torch Data Typebfloat16
Errorsreplace

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SmallThinker 21BA3B Instruct16K / 43 GB117112

Rank the SmallThinker 21BA3B Instruct Capabilities

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Instruction Following and Task Automation  
Factuality and Completeness of Knowledge  
Censorship and Alignment  
Data Analysis and Insight Generation  
Text Generation  
Text Summarization and Feature Extraction  
Code Generation  
Multi-Language Support and Translation  

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