FRPO/qwen3-1.7b-a19_seqmean_center-k1-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-a19_seqmean_center-k1-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 FRPO (KL-in-LLM-RL) experimental framework. This model is specifically a checkpoint from these RL experiments, focusing on optimizing performance through reinforcement learning techniques. It is designed for research and development in RL-tuned language models, offering insights into the effects of specific RL configurations.

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Model Overview

FRPO/qwen3-1.7b-a19_seqmean_center-k1-cGroupBoth-clip0.2-mb4-eta100-bs256x5-n2 is a 2 billion parameter language model derived from the Qwen/Qwen3-1.7B base model. It represents a specific checkpoint (global_step_200) from the KL-in-LLM-RL / FRPO experimental series, which utilizes Reinforcement Learning (RL) for fine-tuning. The model was trained using the verl framework.

Key Characteristics

  • Base Architecture: Qwen3-1.7B.
  • Fine-tuning Method: Reinforcement Learning (RL) using the FRPO (KL-in-LLM-RL) experimental setup.
  • Checkpoint: This repository contains the global_step_200 checkpoint.
  • Weights: Provided in fp32 safetensors format, exactly as saved by the trainer without post-processing.
  • Configuration: The specific run configuration is encoded within the model's repository name, detailing parameters like seqmean_center, k1, cGroupBoth, clip0.2, mb4, eta100, bs256x5, and n2.

Intended Use Cases

This model is primarily suited for:

  • RL Research: Investigating the impact of specific RL fine-tuning strategies on language models.
  • Experimental Analysis: Studying the performance and characteristics of models trained with the FRPO framework.
  • Comparative Studies: Benchmarking against other RL-tuned or base models to understand the effects of different training configurations.