Jinhe/ReflectRL-Qwen2.5-Math-7B-GRPO-ReflectRL

TEXT GENERATIONPricing:Input $0.4 / Cached $0.08 / Output $0.8Concurrent Unit Cost:1Model Size:7.6BQuant:FP8Context Size:32kTool Calling:SupportedPublished:Jul 4, 2026License:apache-2.0Architecture:Transformer Open Weights Featherless Exclusive Cold

Jinhe/ReflectRL-Qwen2.5-Math-7B-GRPO-ReflectRL is a 7 billion parameter model developed by Jinhe, based on the Qwen2.5-Math-7B architecture. It implements the ReflectRL framework, which learns from 'Golden Negative Trajectories' during on-policy post-training. This model is specifically designed to improve reasoning by using failed expert trajectories as reflective context, gradually transitioning to direct reasoning for inference.

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Overview

ReflectRL-Qwen2.5-Math-7B-GRPO-ReflectRL is a 7 billion parameter language model developed by Jinhe, built upon the Qwen/Qwen2.5-Math-7B base model. It incorporates the ReflectRL framework, a lightweight approach for learning from Golden Negative Trajectories (GNTs) during on-policy post-training. This method utilizes failed expert trajectories as a reflective context during the training phase, enabling the policy to gradually shift towards direct reasoning for inference.

Key Capabilities

  • Enhanced Reasoning: Leverages 'Golden Negative Trajectories' to improve reasoning capabilities.
  • Reflective Learning: Uses failed trajectories as a learning context rather than direct imitation.
  • On-Policy Post-Training: Optimized through a specific on-policy post-training methodology.
  • Lightweight Framework: Implements ReflectRL as a lightweight and efficient learning framework.

Good For

  • Research in Reinforcement Learning: Ideal for researchers exploring novel methods for learning from suboptimal or failed trajectories.
  • Improving Reasoning Tasks: Potentially beneficial for applications requiring robust reasoning, particularly in mathematical domains given its base model.
  • Developing Adaptive AI: Useful for scenarios where models need to learn from diverse experiences, including errors, to refine their decision-making processes.

For more details, refer to the associated paper: ReflectRL: Learning from Golden Negative Trajectories via Reflective-to-Direct Reasoning.