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ERNIE 21B A3B Claude 4.5 High OPUS Thinking by DavidAU

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ERNIE 21B A3B Claude 4.5 High OPUS Thinking is an open-source language model by DavidAU. Features: 21b LLM, VRAM: 43.7GB, Context: 128K, License: apache-2.0, LLM Explorer Score: 0.4, ELO: 1504.

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Model Card on HF 🤗: https://huggingface.co/DavidAU/ERNIE-21B-A3B-Claude-4.5-High-OPUS-Thinking 

ERNIE 21B A3B Claude 4.5 High OPUS Thinking Benchmarks

LMSys ELO: 1504 vs 1272 (so35)18.2%
LLME Score: 0.39694
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
ERNIE 21B A3B Claude 4.5 High OPUS Thinking (DavidAU/ERNIE-21B-A3B-Claude-4.5-High-OPUS-Thinking)
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ERNIE 21B A3B Claude 4.5 High OPUS Thinking Parameters and Internals

LLM NameERNIE 21B A3B Claude 4.5 High OPUS Thinking
Repository 🤗https://huggingface.co/DavidAU/ERNIE-21B-A3B-Claude-4.5-High-OPUS-Thinking 
Base Model(s)  baidu/ERNIE-4.5-21B-A3B-Thinking   baidu/ERNIE-4.5-21B-A3B-Thinking
Model Size21b
Required VRAM43.7 GB
Updated2026-03-27
MaintainerDavidAU
Model Typeernie4_5_moe
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   3.7 GB: 9-of-9
Supported Languagesen
Model ArchitectureErnie4_5_MoeForCausalLM
Licenseapache-2.0
Context Length131072
Model Max Length131072
Transformers Version4.57.6
Tokenizer ClassLlamaTokenizer
Padding Token<unk>
Vocabulary Size103424

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Rank the ERNIE 21B A3B Claude 4.5 High OPUS Thinking 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  
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Multi-Language Support and Translation  

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