FRPO/qwen3-1.7b-a6_k3_center-k3-cGroupBoth-clip0.2-mb4-eta100-bs256x5-n2

TEXT GENERATIONPricing:Input $0.32 / Cached $0.064 / Output $1.6Concurrent Unit Cost:1Model Size:2BQuant:BF16Context Size:32kTool Calling:SupportedPublished:Aug 15, 2026Architecture:Transformer Featherless Exclusive Cold

FRPO/qwen3-1.7b-a6_k3_center-k3-cGroupBoth-clip0.2-mb4-eta100-bs256x5-n2 is a 2 billion parameter language model based on the Qwen3-1.7B architecture, fine-tuned using Reinforcement Learning (RL) with the KL-in-LLM-RL / FRPO experimental framework. This model, with a 32768 token context length, is a specific checkpoint from RL fine-tuning experiments, focusing on the effects of the FRPO method. It is suitable for research into RL-based language model optimization and understanding the impact of specific training configurations.

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Model Overview

FRPO/qwen3-1.7b-a6_k3_center-k3-cGroupBoth-clip0.2-mb4-eta100-bs256x5-n2 is a 2 billion parameter language model derived from the Qwen/Qwen3-1.7B base model. It has been fine-tuned using Reinforcement Learning (RL) as part of the KL-in-LLM-RL / FRPO experimental series, utilizing the verl training framework. This specific checkpoint, global_step_200, represents a particular configuration within these experiments, with its run parameters encoded directly in the repository name.

Key Characteristics

  • Base Model: Qwen3-1.7B architecture.
  • Parameter Count: Approximately 2 billion parameters.
  • Context Length: Supports a context window of 32768 tokens.
  • Training Method: Fine-tuned using Reinforcement Learning (RL) with the FRPO method.
  • Weights: Provided in fp32 safetensors format, directly as saved from the trainer without post-processing.

Intended Use Cases

This model is primarily intended for:

  • Research and Development: Exploring the effects of specific RL fine-tuning configurations, particularly the FRPO method, on language model performance.
  • Experimental Analysis: Studying the impact of parameters like a6_k3_center-k3-cGroupBoth-clip0.2-mb4-eta100-bs256x5-n2 on model behavior and capabilities.
  • Comparative Studies: Benchmarking against other RL-tuned or base models to understand the advantages or disadvantages of this particular training approach.