sft

Provides SFT training patterns and Unsloth optimizations for LLM instruction-tuning workflows.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/atrawog/overthink-plugins --skill sft
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: sft
Source: https://github.com/atrawog/overthink-plugins/tree/main/overthink-jupyter/skills/sft
Command: npx skills add https://github.com/atrawog/overthink-plugins --skill sft

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

SFT helps tailor pre-trained LLMs to follow instructions by training on high-quality instruction-response data, reducing misalignment and improving task performance.

Core Features & Use Cases

  • Unsloth-optimized training for faster, memory-efficient fine-tuning.
  • Thinking model patterns that encourage internal reasoning demonstrations during evaluation and generation.
  • Dataset and template tooling formats for instruction-response and chat formats, plus prompt construction to streamline fine-tuning workflows.

Quick Start

Fine-tune an instruction-following model by configuring SFTTrainer with your dataset and a LoRA setup, then run training.

Frequently Asked Questions about sft

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I format a dataset for SFT instruction-tuning?

SFT instruction-tuning requires formatting datasets into instruction-response pairs and applying correct chat template formatting. Proper dataset preparation ensures your instruction-following data aligns with SFTTrainer configuration requirements.

What is the best way to speed up LoRA fine-tuning and reduce memory usage?

Applying Unsloth optimizations is the best way to accelerate LoRA fine-tuning while lowering memory usage. It integrates directly with SFTConfig and SFTTrainer to enable faster, memory-efficient training for large language models.

Can I use SFTTrainer to fine-tune Qwen3-Thinking models?

Yes, SFTTrainer supports Qwen3-Thinking models through specific thinking-model patterns. These patterns encourage internal reasoning demonstrations during evaluation and generation across instruction-following tasks.

Do I need TRL to configure SFTConfig and SFTTrainer?

Yes, TRL is required to configure SFTConfig and SFTTrainer for instruction-tuning workflows. These components manage the training configuration and execution needed to successfully fine-tune large language models.

When should I use SFT instead of other instruction-tuning methods?

Use SFT when you need to tailor pre-trained LLMs to follow instructions using high-quality instruction-response data. It reduces misalignment and improves task performance by training models directly on targeted demonstrations.