Situus/STARK-4B-Thinking

Cold
Public
Vision
4.3B
BF16
32768
Feb 8, 2026
License: gemma
Hugging Face
Overview

STARK-4B-Thinking: Polish Reasoning Assistant

STARK-4B-Thinking is a compact, Polish-language AI assistant based on the Gemma 3 (4B) architecture, developed by Situus. This 4.3 billion parameter model is engineered to bring advanced reasoning capabilities to lightweight language models, enabling efficient local operation with high factual reliability.

Key Capabilities & Differentiators

  • Chain of Thought (CoT) Reasoning: Implements a "thoughtful pause" mechanism, allowing the model to verify logic and plan responses before generating output. This enhances stability and precision in logical tasks, typically requiring larger models.
  • Transparent Inference: The analytical process is explicit, contained within <think> ... </think> tags, enabling deconstruction of complex problems.
  • High Emotional Intelligence: Trained to handle scenarios requiring high EQ, conversational nuance, and difficult user requests.
  • Polish Language Optimization: Offers naturally sounding dialogue, fully optimized for Polish grammar and cultural context.
  • Training Data: Fine-tuned (SFT) on a curated dataset of synthetic data generated by Gemini Flash.

Recommended Use Cases

  • Operational Assistance: Task planning, prioritization, and logical problem-solving.
  • Text Work: Creative writing, storytelling, and professional business correspondence.
  • Data Analysis: Brainstorming, knowledge synthesis, and extracting key facts from documents.

Limitations

  • Programming: Not dedicated to engineering tasks; generated code may contain errors.
  • Advanced Mathematics: May make errors in complex theoretical calculations; results require verification.
  • Knowledge Base: As a 4B-class model, it has a smaller encyclopedic knowledge base compared to 12B or 70B+ models.