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Qwen2.5 Math 1.5B by Qwen

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Qwen2.5 Math 1.5B is an open-source language model by Qwen. Features: 1.5b LLM, VRAM: 3.1GB, Context: 4K, License: apache-2.0, LLM Explorer Score: 0.25.

  Arxiv:2409.12122 Base model:finetune:qwen/qwen2...   Base model:qwen/qwen2.5-1.5b   Conversational   Deploy:azure   En   Endpoints compatible   Qwen2   Region:us   Safetensors
Model Card on HF 🤗: https://huggingface.co/Qwen/Qwen2.5-Math-1.5B 

Qwen2.5 Math 1.5B Benchmarks

LLME Score: 0.24996
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
Qwen2.5 Math 1.5B (Qwen/Qwen2.5-Math-1.5B)
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Qwen2.5 Math 1.5B Parameters and Internals

Model Type 
text generation
Use Cases 
Areas:
mathematics
Applications:
math problem solving
Primary Use Cases:
solving English and Chinese math problems through CoT and TIR
Limitations:
Not recommended for other tasks
Additional Notes 
This model is primarily intended for solving math problems using CoT and TIR in both English and Chinese.
Supported Languages 
en (English), zh (Chinese)
LLM NameQwen2.5 Math 1.5B
Repository 🤗https://huggingface.co/Qwen/Qwen2.5-Math-1.5B 
Base Model(s)  Qwen/Qwen2.5-1.5B   Qwen/Qwen2.5-1.5B
Model Size1.5b
Required VRAM3.1 GB
Updated2026-05-13
MaintainerQwen
Model Typeqwen2
Model Files  3.1 GB
Supported Languagesen
Model ArchitectureQwen2ForCausalLM
Licenseapache-2.0
Context Length4096
Model Max Length4096
Transformers Version4.44.0
Tokenizer ClassQwen2Tokenizer
Padding Token<|endoftext|>
Vocabulary Size151936
Torch Data Typebfloat16
Errorsreplace

Quantized Models of the Qwen2.5 Math 1.5B

Model
Likes
Downloads
VRAM
Qwen2.5 Math 1.5B Bnb 4bit36291 GB

Best Alternatives to Qwen2.5 Math 1.5B

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ReaderLM V2500K / 3.1 GB289293786
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Ko R1 1.5B Preview128K / 7.1 GB159
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Polyalign Qwen2.5 1.5B En Sft128K / 6.2 GB400
Qwen2 1.5B128K / 3.1 GB133262102
...n Research Reasoning Qwen 1.5B128K / 7.1 GB5259241
DeepScaleR 1.5B Preview128K / 7.1 GB7129583
Note: green Score (e.g. "73.2") means that the model is better than Qwen/Qwen2.5-Math-1.5B.

Rank the Qwen2.5 Math 1.5B Capabilities

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