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Large Language Models (LLM) are on fire, capturing public attention by their ability to provide seemingly impressive completions to user prompts (NYT coverage). They are a delicate combination of a radically simplistic algorithm with massive amounts of data and computing power. They are trained by playing a guess-the-next-word game with itself over and over again. Each time, the model looks at a partial sentence and guesses the following word. If it makes it correctly, it will update its parameters to reinforce its confidence; otherwise, it will learn from the error and give a better guess next time.
In recent years, large-scale transformer-based language models have become the pinnacle of neural networks used in NLP tasks. They grow in scale and complexity every month, but training such models requires millions of dollars, the best experts, and years of development. That’s why only major IT companies have access to this state-of-the-art technology. However, researchers and developers all over the world need access to these solutions. Without new research, their growth could wane. The only way to avoid this is by sharing best practices with the developer community.
We’ve been using YaLM family of language models in our Alice voice assistant and Yandex Search for more than a year now.