ChatGPT, one of the world’s most advanced AI chatbots, was released as a prototype by OpenAI on November 30, 2022, and is built on the GPT-3 architecture, boasting over 175 billion parameters. Trained on books, articles, websites, and more, it performs a range of language tasks translation, summarization, coding, and question answering.

Its evolution continued when OpenAI launched GPT-4 on March 14, 2023, enhancing accuracy and capability beyond its predecessor. Widespread attention followed, but so did criticism concerns around transparency, potential misuse, and factual inaccuracies began surfacing.

When examining its origins, ChatGPT was funded by high-profile backers like Microsoft and Elon Musk, reflecting its early promise and industry weight. Operating it demands substantial computational power highlighting its complexity and cost.

Through its rapid enhancements, ChatGPT continues to improve via fine-tuning and reinforcement learning, though limitations persist: responses stem from pattern-matching not true understanding and hallucinations remain a concern. Still, its potential for transforming language-based tasks content creation, assistance, and beyond makes it a landmark in AI development.