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inference4j/
deepseek-r1-distill-qwen-1.5b

Name: deepseek-r1-distill-qwen-1.5b
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DeepSeek-R1-Distill-Qwen-1.5B — ONNX (INT4)

INT4-quantized ONNX export of DeepSeek-R1-Distill-Qwen-1.5B, a 1.5B-parameter reasoning model distilled from DeepSeek-R1. Optimized for CPU inference with int4 RTN block-32 quantization.

Mirrored for use with inference4j, an inference-only AI library for Java.

Original Source

Repository: DeepSeek / Microsoft
License: mit

Usage with inference4j

java

try (TextGenerator gen = TextGenerator.builder()
        .modelSource(ModelSources.deepSeekR1_1_5B())
        .build()) {
    GenerationResult result = gen.generate("What is 2 + 2? Think step by step.");
    System.out.println(result.text());
}

Model Details

Property	Value
Architecture	Qwen2 (1.5B parameters, 28 layers, 1536 hidden)
Task	Text generation / reasoning
Context length	131072 tokens
Quantization	INT4 RTN block-32 acc-level-4
Original framework	PyTorch (transformers)

License

This model is licensed under the MIT License. Original model by DeepSeek, ONNX conversion by Microsoft.

inference4j/deepseek-r1-distill-qwen-1.5b