PaLM 2 is next generation large language model that builds on Google’s legacy of breakthrough research in machine learning and responsible AI.
It excels at advanced reasoning tasks, including code and math, classification and question answering, translation and multilingual proficiency, and natural language generation better than our previous state-of-the-art LLMs, including PaLM. It can accomplish these tasks because of the way it was built – bringing together compute-optimal scaling, an improved dataset mixture, and model architecture improvements.
PaLM 2 is grounded in Google’s approach to building and deploying AI responsibly. It was evaluated rigorously for its potential harms and biases, capabilities and downstream uses in research and in-product applications. It’s being used in other state-of-the-art models, like Med-PaLM 2 and Sec-PaLM, and is powering generative AI features and tools at Google, like Bard and the PaLM API.
PaLM 2 can decompose a complex task into simpler subtasks and is better at understanding nuances of the human language than previous LLMs, like PaLM. For example, PaLM 2 excels at understanding riddles and idioms, which requires understanding ambiguous and figurative meaning of words, rather than the literal meaning.
PaLM 2 was pre-trained on parallel multilingual text and on a much larger corpus of different languages than its predecessor, PaLM. This makes PaLM 2 excel at multilingual tasks.
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