zhaohq/PureRL-1.5B-v7-s2-l2-maskoff-afew

Hugging Face
TEXT GENERATIONConcurrency Cost:1Model Size:1.5BQuant:BF16Ctx Length:32kPublished:May 20, 2026Architecture:Transformer Warm

The zhaohq/PureRL-1.5B-v7-s2-l2-maskoff-afew is a 1.5 billion parameter language model developed by zhaohq, fine-tuned from PureRL-1.5B-v7-stage1-A-fewshot. It was trained using TRL and incorporates the GRPO method, which is designed to enhance mathematical reasoning capabilities. This model is optimized for tasks requiring advanced reasoning, particularly in mathematical contexts, building upon techniques from DeepSeekMath.

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Model Overview

The zhaohq/PureRL-1.5B-v7-s2-l2-maskoff-afew is a 1.5 billion parameter language model, fine-tuned by zhaohq. It is an iteration of the PureRL-1.5B-v7-stage1-A-fewshot base model.

Key Capabilities & Training

This model's primary differentiator lies in its training methodology. It was fine-tuned using the TRL (Transformer Reinforcement Learning) framework and specifically incorporates the GRPO (Generalized Reinforcement Learning with Policy Optimization) method. GRPO is a technique introduced in the research paper "DeepSeekMath: Pushing the Limits of Mathematical Reasoning in Open Language Models" (arXiv:2402.03300). This indicates a strong focus on improving the model's ability to handle complex mathematical reasoning tasks.

Use Cases

Given its specialized training with GRPO, this model is particularly well-suited for applications requiring:

  • Mathematical problem-solving: Excelling in tasks that demand logical and mathematical reasoning.
  • Reasoning-intensive queries: Handling questions that go beyond simple fact retrieval and require deeper analytical processing.

Developers can quickly integrate this model using the Hugging Face transformers pipeline for text generation, as demonstrated in the quick start example.