PaLM 2 is a state-of-the-art language model that offers improved multilingual and reasoning capabilities compared to its predecessor, PaLM. It is a Transformer-based model trained using a mixture of objectives, demonstrating significant advancements in efficiency and performance. PaLM 2 outperforms PaLM on various downstream tasks, including natural language generation, translation, and reasoning, while maintaining or improving efficiency. The model exhibits robust reasoning capabilities, as evidenced by its performance on the BIG-Bench benchmark and other reasoning tasks. PaLM 2 also shows stable performance in responsible AI evaluations, enabling inference-time control over toxicity without additional overhead. Overall, PaLM 2 achieves state-of-the-art performance across a diverse set of tasks and capabilities, making it a significant advancement in the field of language models.PaLM 2 is a state-of-the-art language model that offers improved multilingual and reasoning capabilities compared to its predecessor, PaLM. It is a Transformer-based model trained using a mixture of objectives, demonstrating significant advancements in efficiency and performance. PaLM 2 outperforms PaLM on various downstream tasks, including natural language generation, translation, and reasoning, while maintaining or improving efficiency. The model exhibits robust reasoning capabilities, as evidenced by its performance on the BIG-Bench benchmark and other reasoning tasks. PaLM 2 also shows stable performance in responsible AI evaluations, enabling inference-time control over toxicity without additional overhead. Overall, PaLM 2 achieves state-of-the-art performance across a diverse set of tasks and capabilities, making it a significant advancement in the field of language models.