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Astral 4B Preview by LucidityAI

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Model Card on HF 🤗: https://huggingface.co/LucidityAI/Astral-4B-Preview 

Astral 4B Preview Benchmarks

LLME Score: 0.24047
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
Astral 4B Preview (LucidityAI/Astral-4B-Preview)
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Astral 4B Preview Parameters and Internals

LLM NameAstral 4B Preview
Repository 🤗https://huggingface.co/LucidityAI/Astral-4B-Preview 
Base Model(s)  Qwen/Qwen3-4b-thinking-2507   Qwen/Qwen3-4b-thinking-2507
Model Size4b
Required VRAM8.1 GB
Updated2026-02-24
MaintainerLucidityAI
Model Typeqwen3
Model Files  5.0 GB: 1-of-2   3.1 GB: 2-of-2
Model ArchitectureQwen3ForCausalLM
Licenseapache-2.0
Context Length262144
Model Max Length262144
Transformers Version4.52.4
Tokenizer ClassQwen2Tokenizer
Padding Token<|endoftext|>
Vocabulary Size151936
Torch Data Typebfloat16
Errorsreplace

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Jan V1 4B256K / 8.1 GB1348349
Qwen3 4B Instruct 2507256K / 8.1 GB7903713
Qwen3 4B Instruct 2507 FP8256K / 5.2 GB4154231
WEBGEN 4B Preview256K / 8.1 GB147680
Qwen3 4B Thinking 2507256K / 8.1 GB101705
P4 V1256K / 8.1 GB8930
DistilGPT OSS Qwen3 4B256K / 8.1 GB22417
Note: green Score (e.g. "73.2") means that the model is better than LucidityAI/Astral-4B-Preview.

Rank the Astral 4B Preview 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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Release v20241124
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