Here’s a fact: OpenAI's ChatGPT acquired 100 million visitors just two months after its launch. This tool uses Natural Language Processing (NLP) technology, which enables it to understand and create human-like text.
You can automate tasks such as handling customer complaints, creating content, marketing copy, and product development with this tech. Some NLP model technologies that have evolved recently are GPT-3, BERT, Bard, and LaMDA.
In this article, you will learn about several large language models for text, LLM vs. NLP, and image generation. You will also learn their architectures, pros, cons, and challenges concerning their benefit to your business.
In this article:
NLP vs. LLM vs. DLM
What is the significant difference between NLP and LLMs, along with DLMs?
Natural Language Processing (NLP) refers to vast research into methods for creating, interpreting, and comprehending human language. Some key NLP models’ tasks are translating text from one language to another, text classification into predefined classes, and speech recognition (audio-to-text form).
Large Language Models (LLMs) are deep neural networks programmed to produce or comprehend language using enormous amounts of text data. Some popular LLMs are LaMDA, PaLM, BLOOM, GPT-3, and RoBERTa. These tools can generate texts from their training data.
DLMs (Diffusion LMs) expand on LLMs by adding different types of media in addition to text, such as pictures, audio, and video. For instance, if you need to generate a picture, a DLM would ask for text input image description to produce the image.
Architectures of major LLMs
Each LLM has an architecture based on deep learning techniques. These LLMs know sentiment analysis, which lets them understand the tone of your data and respond accordingly.
Now, let’s see the architecture of some transformer-based LLMs and other major language models.
Transformer architecture (GPT models)
Launched in 2017, Transformer Architecture is one of the deep learning models that works on encode-decode patterns. It serves as a base for major AI technologies like GPT-2, GPT-3, GPT-4, and GPT-Neo.
GPT, or generative pre-trained transformer, belongs to the Transformer family of models and is an advancement in NLP technology. It enables the model with natural language generation and the understanding of human text.
Some of the prominent features of the transformer model are:
Encoder-decoder structure (enables the parallel processing of output and input sequences).
Attention mechanism rather than recurrence (enables the capture of words regardless of where they appear in a sequence).
Multi-headed self-attention (permits the model to concentrate on various input sequence segments).`
Position embeddings (acknowledge the input sequence's word order).
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After the launch of Transformer Architecture, Google introduced BERT (Bidirectional Encoder Representations from Transformers) in 2018.
BERT uses the surrounding text to understand the intent and context of the text. Many models, including RoBERTa and ELECTRA, are based on BERT.
Here are some features of BERT Architecture:
Encoder-only transformer based on neural networks (emphasizing only comprehension of input text data).
Masked language modeling and next-sentence prediction.
Learns bidirectional representations by conditioning on left and right contexts.
Models for image generation
DALL-E 2 is a text-to-image generation model developed by OpenAI. It is a revised version of its previous deep learning version, DALL-E.
Strengths: DALL-E 2 produces pictures as per the input written descriptions. A big thanks goes to its control through text, which allows complex scene generation. You can create images that look real and are aesthetically pleasing.
Limitations: The model is computationally demanding and needs strong GPUs to operate effectively. If you are a big corporation that requires image generation in volumes, you need to pay a hefty amount.
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Stable Diffusion is an open-source model that produces captivating visuals from texts. Through diffusion techniques, this model offers you a unique method for tackling issues.
The best part? You can use it with both local GPUs and cloud computing services.
Strengths: The model is versatile for generating various images from text. Also, you can customize it as per your requirements. This model’s basic plan is $9/month, making it a good investment for small businesses.
Limitations: Sometimes, it gives less coherent results. Also, you need to tune parameters and configurations to get the best results, which can waste your time and effort.
Midjourney was introduced in 2022. It generates images using a generative design engine. This AI tool uses Google Cloud infrastructure to produce photorealistic images in a few keystrokes.
Strengths: Midjourney produces unique images and offers a simple interface that even a beginner can use.
Limitations: You get minimal adjustments and customizations in the images you generate. Further, images are public. Additionally, you need a Discord account to use Midjourney.
Models for text generation
Almost half of all companies (nearly 49%) use ChatGPT in their business operations. It is enough to show how businesses are embracing this new emerging tech.
OpenAI's GPT-3 is one of the most popular large language models trained on 175 billion parameters. It runs on Microsoft's Azure, which is outfitted with A100 GPUs.
ChatGPT is a conversational AI built on the GPT-3 platform, which provides text-generated answers as per your prompts.
Strengths: It produces contextually relevant and human-like text, thanks to its huge training data. You can use it for various tasks: content creation, email writing, business copy, and writing product descriptions.
Limitations: Despite GPT-3 being trained on massive data, it sometimes generates irrelevant text. Furthermore, you need to cross-check facts, as it is still in the evolving phase.
Developed by Google Brain and DeepMind, PaLM (Pathways Language Model) was trained on 540 billion parameters. It can do numerous tasks for your business, including text generation, images, code generation and analysis, text translation, rewriting, and more.
Strengths: The model handles a variety of data formats, including textual data, visual material, and code snippets. This multimodal can make way for cutting-edge applications spanning a variety of jobs across numerous industries.
Limitations: PaLM requires high computational costs for its training process and inference. Consequently, there’s a limit to the availability of PaLM.
Google launched Bard in competition with ChatGPT in 2022. It is a conversational AI chatbot based on PaLM. And since it was trained on Google's enormous data, you get more logical and appropriate answers for free.
Bard leverages Google's cloud infrastructure, ensuring cybersecurity and privacy for its users.
Strengths: There are direct responses to user inquiries, which improves the effectiveness and efficiency of interactions. You can use it to create content marketing campaigns, product plans, and code.
Limitations: Bard has a smaller model size and reliance on search, indicating less human-like conversational capacity. Sometimes, it can be wrong with facts and dates.
Aleph Alpha, a German AI startup, created the large language model (LLM) Luminous. It included up to 20 billion parameters and was trained on an enormous dataset of text and code.
The model generates and understands human language with precision.
Strengths: On numerous NLP benchmarks, it ranks among the best models. With the help of its intensive training and training parameters, it comprehends and produces text like a human being.
Limitations: It is a work in progress, but still getting some recognition, like GPT-3. Further, it implies that it may not be able to handle complex tasks and prompts.
Challenges facing Large Language Model (LLM)
These machine learning models are not always good. Even though this technology can generate human-like text, it has some drawbacks, posing some challenges.
As a business, you must be aware of these challenges and be mindful of them while leveraging the help of the technology.
Bias and harmful content
LLMs can reinforce and magnify societal biases found in the training data. If adequate protections aren't there, LLMs produce openly damaging or abusive content, including hate speech, violence, misinformation, and spam.
However, these hazards can be controlled by data filtering, human-in-the-loop learning, and content monitoring. But eliminating bias and harm, nevertheless, is quite difficult.
The fact-checking and accuracy verification still needs work. And since these models generate human-like text, it is sometimes hard to spot false information.
For example, if you want to create news reports, you may find the surface can seem genuine and true, but most of the time, it isn’t.
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LLMs are based on deep learning algorithms capable of amazing things, but businesses without the appropriate computational resources may be unable to use them.
This is because a vast amount of computing power, including GPUs and TPUs, in huge datasets is required to train a language model. So, higher costs can be a concern for small businesses.
Legal and ethical concerns
The use of LLMs brings up difficult legal and ethical issues because they can generate human-like text. Some major concerns are copyright issues, plagiarism, authenticity, and accountability.
Therefore, it is important to make strict laws for using output generated via these models.
Training a single AI model can produce approximately five times as much carbon dioxide equivalent (626,000 pounds) throughout its lifetime as the typical American car.
Energy use and the resulting emissions are worrying aspects. Therefore, the artificial intelligence community must work toward more eco-friendly training techniques and investigate ethical issues.
Ongoing research required
As you know, the era of LLMs is evolving and requires more research. For example, maybe AI can generate texts, but it hardly knows its meaning.
Also, data and fact-checking need more work.
Pros and cons, infrastructure and costs of major LLMs
LLMs are at a ripe age. They are developed using various programming languages that can perform NLP tasks, mimicking a human. Over time, they will change and become better due to inevitable changes in the coding languages on which they are developed.
However, it makes sense to learn about the pros and cons of major LLMs and their infrastructure and costs if you are using them in your business.
Language Model (DLM, LLM, and NLP)
High -quality and accurate images from textual descriptions
Only supports the English language for input
Available as an open-source tool
Specializes in creative image generation
Runs on consumer GPUs
There's lower coherence and image quality
Starts at $9/month
It comes with a user-friendly interface
Provides a comprehensive analytics dashboard
Understands your prompts better
Limits transparency and customization
Basic monthly plan starts at $10
Generates fluent and human-like text generation
Has a user-friendly and clean dashboard
Available as a free app now
Often gives incorrect factual information
Free to use, premium plan is $20
Provides direct and succinct answers
Was trained with enormous Google data
Comes with a friendly UI
Generates incorrect or nonsensical text at times
Starts at $0.0005/1000 characters
Leverages Google's vast knowledge graph
It is free to use and has easy navigation
Generates accurate and relevant output
Still needs improvements in fact-checking
Free to use
Achieves state-of-the-art results
Provides great outcomes despite being a small language model
Strong logical reasoning abilities
It is a proprietary tool that reduces transparency and accessibility
Starts at €0.006
Large language models like GPT-3 and DALL-E 2 are based on neural networks. These models showcase the enormous potential of AI to generate eloquent text and creative visuals. Consequently, these NLP models can boost your business's efficiency when used smartly.
Undoubtedly, there are concerns about ethics, misinformation, bias, and accessibility. That's why LLMs still require human oversight.
Next, if you want to leverage the power of AI in your business, you need the help of these NLP models. From increasing sales to developing software and debugging codes, let AI be your 24x7 assistant.
But implementing AI isn't a cakewalk. There's much misinformation on the internet about using it in your business. Whether you need help with implementation or guidance, our artificial intelligence software development services can help.
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What skills are needed to implement these tools?
You don't need specific skills to use these tools. They are user-friendly and offer a clean UI. However, you should know how to give the right prompt (input) for the best results.
How fast can you see returns on your investment?
Large language models (LLMs) like GPT-3, Bard, and ChatGPT are free. However, the other large language models work efficiently and have a lower price tag. So, investing in these models will enhance your business in the long run.
Do you need in-house infrastructure to run these models?
Cloud APIs offer access without infrastructure expenditure for most LLMs. However, there are options to execute models locally through cloud GPU. Only the most demanding applications need a large internal infrastructure.
How do you stay ahead of AI developments in your industry?
You can attend conferences, keep up with industry publications, and participate in online forums. Furthermore, connect with experts, read the latest research, and take online courses to keep your skills up to date.