GPT-3 (Generative Pre-trained Transformer 3)
- Developed by OpenAI, released in 2020.
- Based on 175 billion parameters, making it one of the largest language models at the time.
- Capable of generating human-like text, answering questions, writing essays, coding, translation, and more.
- Known for its creativity but sometimes prone to factual errors (“hallucination”).
- Enabled many applications like ChatGPT, AI writing tools, and virtual assistants.
GPT-4 (Generative Pre-trained Transformer 4)
- Released by OpenAI in 2023.
- More advanced, accurate, and reliable compared to GPT-3.
- Multimodal — can process text and images (in some versions).
- Better understanding of nuanced prompts, improved reasoning, and reduced hallucinations.
- Powers the premium version of ChatGPT (e.g., ChatGPT-4) and more complex AI solutions.