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	'''Instruction tuning''' is a technique used in the training of Large Language Models ~~([[LLM~~]]s) to improve their ability to follow natural language instructions. While [[Pre-training\|pre-training]] enables a model to predict the next token in a sequence based on vast amounts of text data, it does not inherently teach the model to act as a helpful assistant or adhere to specific user commands. Instruction tuning bridges this gap by [[Fine-tuning\|fine-tuning]] the pre-trained model on a dataset of instruction-output pairs.<ref>IBM, "What Is Instruction Tuning?", accessed 2025-12-15, https://www.ibm.com/think/topics/instruction-tuning</ref>		'''Instruction tuning''' is a technique used in the training of [[Large Language Models]] (LLMs) to improve their ability to follow natural language instructions. While [[Pre-training\|pre-training]] enables a model to predict the next token in a sequence based on vast amounts of text data, it does not inherently teach the model to act as a helpful assistant or adhere to specific user commands. Instruction tuning bridges this gap by [[Fine-tuning\|fine-tuning]] the pre-trained model on a dataset of instruction-output pairs.<ref>IBM, "What Is Instruction Tuning?", accessed 2025-12-15, https://www.ibm.com/think/topics/instruction-tuning</ref>

	== Overview ==		== Overview ==

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'''Instruction tuning''' is a technique used in the training of Large Language Models ([[LLM]]s) to improve their ability to follow natural language instructions. While [[Pre-training|pre-training]] enables a model to predict the next token in a sequence based on vast amounts of text data, it does not inherently teach the model to act as a helpful assistant or adhere to specific user commands. Instruction tuning bridges this gap by [[Fine-tuning|fine-tuning]] the pre-trained model on a dataset of instruction-output pairs.<ref>IBM, "What Is Instruction Tuning?", accessed 2025-12-15, https://www.ibm.com/think/topics/instruction-tuning</ref>

== Overview ==
The primary goal of instruction tuning is to align the model's behavior with human intent. A standard pre-trained LLM might respond to the prompt "Explain the theory of relativity" by generating a continuation like "was proposed by Albert Einstein in 1905," rather than providing the explanation requested. By training the model on examples where the input is an instruction (e.g., "Summarize this text") and the output is the desired response, the model learns to interpret and execute the user's intent.<ref>GeeksforGeeks, "Instruction Tuning for Large Language Models", accessed 2025-12-15, https://www.geeksforgeeks.org/artificial-intelligence/instruction-tuning-for-large-language-models/</ref>

This process is often considered a critical step in "alignment," or ensuring AI systems behave in accordance with human values and expectations, and serves as a precursor to more advanced techniques like [[Reinforcement Learning from Human Feedback]] (RLHF).<ref>Ouyang, L., et al., "Training language models to follow instructions with human feedback", accessed 2025-12-15, https://arxiv.org/abs/2203.02155</ref>

== Methodology ==
Instruction tuning typically follows [[Supervised Learning|supervised learning]] paradigms. The process involves compiling a dataset where each example consists of:

An instruction: A natural language command describing the task (e.g., "Translate the following sentence into French").

An input (optional): The context or data to operate on (e.g., "The cat sat on the mat").

An output: The target response (e.g., "Le chat s'est assis sur le tapis").

Datasets
Early instruction tuning relied on datasets like FLAN (Finetuned Language Net), which aggregated existing [[Natural Language Processing]] (NLP) tasks—such as translation, summarization, and reading comprehension—and converted them into instruction formats.<ref>Wei, J., et al., "Finetuned Language Models Are Zero-Shot Learners", accessed 2025-12-15, https://research.google/pubs/finetuned-language-models-are-zero-shot-learners/</ref>

Later approaches, such as Stanford Alpaca, demonstrated that high-quality instruction data could be synthesized by prompting a stronger teacher model (like [[GPT-3]]) to generate diverse instruction-response pairs, significantly reducing the cost of data collection.<ref>Taori, R., et al., "Stanford Alpaca: An Instruction-following LLaMA Model", accessed 2025-12-15, https://github.com/tatsu-lab/stanford_alpaca</ref>

The "Less is More" Hypothesis
Research has suggested that the quantity of instruction data may be less important than its quality. The LIMA (Less Is More for Alignment) study proposed the "Superficial Alignment Hypothesis," suggesting that an LLM acquires most of its knowledge during pre-training. Consequently, instruction tuning serves mainly to teach the model the specific format or style of interaction, achievable with as few as 1,000 carefully curated examples.<ref>Zhou, C., et al., "LIMA: Less Is More for Alignment", accessed 2025-12-15, https://arxiv.org/abs/2305.11206</ref>

== Benefits ==

Zero-Shot Generalization: Instruction-tuned models show improved performance on tasks they were not explicitly trained on, as they learn the general concept of following instructions.<ref>Wei, J., et al., "Finetuned Language Models Are Zero-Shot Learners", accessed 2025-12-15, https://research.google/pubs/finetuned-language-models-are-zero-shot-learners/</ref>

Steerability: Users can direct the model's output style, tone, and format more effectively.

Efficiency: Compared to full model re-training, instruction tuning is computationally cheaper and can be applied to smaller models to achieve performance comparable to larger, non-tuned models.

== References ==
<references />

Instruction Tuning - Revision history

Whale at 07:10, 15 December 2025