When the giant hits the miniature Who will stay, who will go?
In today's world of artificial intelligence (AI), Large Language Models (LLMs) are like giants that reign supreme. Answer questions, or even write code. These models are also amazingly good, but think about it, how much power and space do these giants need? These models may be versatile, but they are bulky. Slow and wasteful.
What if we had an alternative? An alternative that is like a new rising star, more agile, more economical, and maybe smarter in some things?
That is Small Language Models (SLMs).
Who are SLMs? Tiny but Brilliant Exists
SLMs are language models like LLMs, but much smaller. Imagine LLMs as super-sized computers that are powerful but bulky. SLMs are like smartphones that may not be as powerful, but they are much more agile and portable. This makes it suitable for use in many applications. A situation where we don't need that much processing power.

(Photo from the paper, reference)
Why SLMs? 5 reasons why SLMs are trending
Why are SLMs so interesting? What good do these models have that make many people start to look at them?
- Energy and Space Saving: SLMs are like sprinters. These models may not be the most durable, but they can run a lot faster over short distances. These models consume less energy. They require less storage space and are much faster to process than LLMs, making them ideal for use on small devices such as mobile or IoT devices.
- More private and secure: Think about our personal information. Whether it's chat messages, Health data or financial data is processed on our own mobile phones without sending it anywhere. These models help make our data more secure and private.
- Customize to your liking: SLMs Like Plasticine We can mold these models into whatever we want. Whether it's a personal assistant. Whether you're a coder, a coder, or a subject matter, SLMs can adapt to different tasks more easily than LLMs.
- Good value for money: Creating and deploying LLMs is the same as building a spaceship. It requires a huge amount of money and resources, but SLMs, like building cars, are cheaper, faster, and more versatile. This makes SLMs a more cost-effective alternative for many organizations and developers.
- Respond instantly: In a world where everything has to be fast, SLMs are heroes. These models are much more responsive than LLMs, making them ideal for applications that require high response speeds.
SLMs vs. LLMs: Colleagues who are good at different things
Many people may be wondering, what is the difference between SLMs and LLMs? Are these models competitors?
In fact, SLMs and LLMs are not direct competitors. Both types of models are like colleagues who are good at different things.
LLMs may excel at complex tasks and require well-rounded knowledge, while SLMs excel at specific tasks and require speed.
Imagine that: LLMs are like university professors who are well-versed in every field. part SLMs are like specialized professionals who excel in their field. We need both. Instructors who provide basic knowledge and experts who provide in-depth advice.
The Architecture of SLMs: Behind the Tiny Intelligence
SLMs have a variety of architectures, but most often they are based on Transformers, which are very popular architectures in the field of NLP.
Transformer: A Mechanical Brain That Understands Language
Transformers are like mechanical brains that help models understand the meaning of language. This architecture has the following main components:
- Self-Attention: A mechanism that allows the model to see the relationship between different words in a sentence.
- Multi-Head Attention: It's like having multiple assistants to help analyze data.
- Feedforward Network: The part that helps the model learn complex data.
- Positional Encoding: Mnectonic Memorization of the Position of Words in Sentences
- Layer Normalization: It allows the model to learn faster and more stable.
Alternative architecture: when speed and economy are important
In addition to Transformers, there are other interesting alternative architectures, especially when we need fast and resource-efficient SLMs:
- Mamba: Architectures based on State Space Models (SSMs), which are efficient at handling sequential data (e.g., text) and have high processing speeds.
- Hymba: A hybrid architecture that combines the strengths of Transformer and Mamba.
- xLSTM: The architecture is based on LSTM, a form of RNN, with improvements to be more efficient at handling long-sequence data.
Practice SLMs to Excel: Must-Know Subject Tips
Training SLMs to be as versatile as training an athlete requires talent, practice, and the right strategy.
Pre-training: Build a strong foundation
Pre-training is training SLMs on large datasets so that these models learn the basics of a language. Vocabulary and grammar
Fine-tuning: Specific, mastered.
Fine-tuning is the process of tuning pre-trained SLMs to specialize in a specific task, just like training an athlete to excel in a particular sport.
Decoding Strategies: Creative Strategies
Decoding strategies are the methods used to generate text from SLMs, similar to choosing the right words to compose a song or write a poem.
Pulling Power from Giants: Pulling SLMs from LLMs
Instead of training SLMs from scratch, we can "pull" these models out of LLMs, much like transferring knowledge from senior to junior.
The main techniques for extracting SLMs from LLMs include:
- Pruning: Trimming LLMs to make them smaller and faster
- Knowledge Distillation: Knowledge transfer from LLMs to SLMs
- Quantization: Reducing the computational accuracy of LLMs to make SLMs process faster.
Top Tip: Advanced Techniques for Developing SLMs
To make SLMs more versatile Researchers have developed many advanced techniques:
- Innovative Training Methods for Small Language Models from Scratch : How to practice SLMs from scratch that focus on architectural design, dataset creation, and the use of appropriate optimization methods.
- Supervised Fine-Tuning (SFT) for Enhancing SLM performance : Customizing SLMs with labeled data to increase performance in specific tasks.
- Data Quality in Knowledge Distillation (KD): Emphasis is placed on the quality of the data used in Knowledge Distillation, especially data generated from LLMs.
- Distillation Techniques for Enhancing SLM Performance: A unique technique in Knowledge Distillation designed to solve problems that arise when transferring knowledge from LLMs to SLMs.
- Performance Improvement through Quantization : Quantization methods designed to reduce the impact on the performance of SLMs.
- Techniques in LLMs Contributing to SLMs: Applying techniques used in LLMs to SLMs to increase efficiency.
What can SLMs do? Wide range of applications
SLMs aren't just good at being economical. These models also perform a wide range of tasks:
- Question-Answering (QA): SLMs can be intelligent assistants that answer questions accurately and quickly.
- Coding: SLMs can be your coding partner. Code completion and error detection
- Recommender Systems: SLMs can improve product and service recommendation systems to be more user-friendly.
- Web Search: SLMs It can help web searches be more accurate and meet the needs of users.
- Mobile-device: SLMs It allows us to control the device. (e.g., a health app that tracks symptoms in real time without sending data to the cloud).
How do SLMs work on mobile and edge devices? Deployment techniques to know
Deploying SLMs on mobile and edge devices is not easy, as these devices have memory and power limitations, but there are techniques that allow us to do this:
- Memory Efficiency Optimization: Making SLMs use less memory
- Runtime Efficiency Optimization: Making SLMs faster to process
What are the types of SLMs? Deep Dive into Generic and Domain-Specific SLMs
SLMs are not the only one. These models are divided into 2 main types:
- Generic-Domain SLMs: SLMs who are trained to have general knowledge in many areas.
- Domain-Specific SLMs: SLMs who have been trained to have specialized knowledge in a particular domain (e.g., BioMedLM for Medicine)
SLMs and LLMs: The Perfect Companion
SLMs and LLMs are not competitors, but rather partners who reinforce each other.
- SLMs help LLMs: SLMs can help LLMs perform better in areas such as generating credible text. Related Data Retrieval Model Tuning and Performance Evaluation
- LLMs help SLMs: LLMs can provide additional information to SLMs and help in creating datasets for training SLMs.
Reliability: The Heart of SLMs
SLMs must be reliable, especially when deployed in situations where high accuracy and security are required.
Key points related to the reliability of SLMs include:
- Robustness
- Privacy
- Reliability
- Safety
- Fairness
Conclusion: SLMs The future of sustainable and accessible AI
Small Language Models (SLMs) are not just a catchy trend, but a new wave that will change the face of AI.
In this article, we have thoroughly explored the world of SLMs, from their pros and cons to development techniques and future trends.
We have already seen that SLMs are not just the "little brothers" of LLMs, but hidden powerhouses. Waiting for discovery and liberation
The future of AI doesn't just depend on building bigger and more powerful models. Instead, it's about building smarter, more agile, and more user-friendly models, and it's SLMs that will be the key to unlocking that future.