Rumiii/Qwen2.5-0.5B-Med-Pre-Trained-92k

TEXT GENERATIONPricing:Input $0.04 / Cached $0.008 / Output $0.08Concurrent Unit Cost:1Model Size:0.5BQuant:BF16Context Size:32kTool Calling:SupportedPublished:Jul 2, 2026License:apache-2.0Architecture:Transformer Open Weights Featherless Exclusive Cold

Rumiii/Qwen2.5-0.5B-Med-Pre-Trained-92k is a 0.5 billion parameter Qwen2.5-0.5B model that has undergone continued pre-training on 92,000 English PubMed biomedical abstracts. This full-parameter CPT model is adapted towards biomedical vocabulary and medical terminology. It is primarily intended as a domain-adapted foundation for further fine-tuning on medical instruction datasets.

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Model Overview

This model, Rumiii/Qwen2.5-0.5B-Med-Pre-Trained-92k, is a continued pre-trained (CPT) version of the Qwen/Qwen2.5-0.5B base model. It has been specifically adapted for the biomedical domain through training on 92,000 English PubMed abstracts from the VietAI/vi_pubmed dataset.

Key Characteristics

  • Base Model: Qwen/Qwen2.5-0.5B (0.5 billion parameters).
  • Training Type: Full-parameter Continued Pre-Training (CPT), meaning all 494 million parameters were updated.
  • Domain Adaptation: Adapted towards biomedical vocabulary, PubMed abstract structure, and medical terminology.
  • Training Data: 92,000 English PubMed biomedical abstracts.
  • Training Objective: Causal Language Modeling (CLM).
  • Training Details: Trained for approximately 3 hours 45 minutes on a Kaggle Tesla T4, processing ~23.6 million tokens with a block size of 256 tokens.

Intended Use Cases

This is a base model, not an instruction-tuned or chat model. It serves as a specialized foundation for:

  • Downstream medical Supervised Fine-Tuning (SFT).
  • Research into biomedical domain adaptation techniques.
  • As a starting point for developing medical reasoning models.

Not Intended For

  • Direct conversational use due to the lack of instruction tuning.
  • Clinical decision-making applications.
  • Patient-facing applications.