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ERNIE 4.5 21B A3B Thinking by baidu

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ERNIE 4.5 21B A3B Thinking is an open-source language model by baidu. Features: 21b LLM, VRAM: 43.7GB, Context: 128K, License: apache-2.0, LLM Explorer Score: 0.32.

  Conversational   Deploy:azure   En   Endpoints compatible   Ernie4.5   Ernie4 5 moe   Region:us   Safetensors   Sharded   Tensorflow   Zh
Model Card on HF 🤗: https://huggingface.co/baidu/ERNIE-4.5-21B-A3B-Thinking 

ERNIE 4.5 21B A3B Thinking Benchmarks

LLME Score: 0.31693
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
ERNIE 4.5 21B A3B Thinking (baidu/ERNIE-4.5-21B-A3B-Thinking)
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ERNIE 4.5 21B A3B Thinking Parameters and Internals

LLM NameERNIE 4.5 21B A3B Thinking
Repository 🤗https://huggingface.co/baidu/ERNIE-4.5-21B-A3B-Thinking 
Model Size21b
Required VRAM43.7 GB
Updated2026-04-06
Maintainerbaidu
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 zh
Model ArchitectureErnie4_5_MoeForCausalLM
Licenseapache-2.0
Context Length131072
Model Max Length131072
Tokenizer ClassLlamaTokenizer
Padding Token<unk>
Vocabulary Size103424
Torch Data Typebfloat16

Best Alternatives to ERNIE 4.5 21B A3B Thinking

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Context / RAM
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... Claude 4.5 High OPUS Thinking128K / 43.7 GB150
ERNIE 4.5 21B A3B PT128K / 44 GB33224168
ERNIE 4.5 21B A3B Base PT128K / 43.9 GB368931
ERNIE 4.5 21B A3B Thinking128K / 43.7 GB1507
ERNIE 4.5 21B A3B PT Bf16128K / 43.7 GB51
ERNIE 4.5 21B A3B PT 8bit128K / 23.2 GB122
Note: green Score (e.g. "73.2") means that the model is better than baidu/ERNIE-4.5-21B-A3B-Thinking.

Rank the ERNIE 4.5 21B A3B Thinking Capabilities

🆘 Have you tried this model? Rate its performance. This feedback would greatly assist ML community in identifying the most suitable model for their needs. Your contribution really does make a difference! 🌟

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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