Google I/O 2023 unveils PaLM 2 large language model

At Google I/O on Wednesday, the tech giant announced a new large language model: PaLM 2.

PaLM 2 is the next iteration of PaLM (which stands for Pathways Language Model), which was launched in April 2022(opens in a new tab). At the time, it was on the cutting edge, and hailed for its ability to parse jokes(opens in a new tab). To say it was soon overshadowed by GPT-3 and GPT-4, the models powering OpenAI’s ChatGPT, would be an understatement. It was clobbered.

Google CEO Sundar Pichai announced four different sizes of PaLM 2: “Gecko,” “Otter,” “Bison,” and “Unicorn.” Gecko is agile enough to work on mobile devices even when offline.

PaLM 2 works in over 100 languages, and been fine-tuned for models designed for cybersecurity (Sec-PaLM 2) and medical knowledge (Med-PaLM 2).

As of today, PaLM 2 is available in preview and is now powering Google Bard.

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