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Latest / Frontier models and safety

Model releaseFrontierUS UKConfirmed

Google launches Gemini 1.0 in Ultra, Pro and Nano sizes

See how this story connects

Source: Google: Introducing Gemini

Google and Google DeepMind announced Gemini 1.0 on 6 December 2023 in three sizes: Ultra, Pro and Nano. Google said Gemini Ultra scored 90.0% on the MMLU benchmark of 57 subjects. Bard switched to a tuned Gemini Pro in English in more than 170 countries that day, Gemini Nano ran on the Pixel 8 Pro, and Ultra was held back for safety checks before a wider release the next year.

Why it matters

Google put one model family into its chatbot, its Pixel phones and its developer API within a week, and businesses gained another large closed-model supplier alongside OpenAI and Anthropic.

When
6 Dec 2023
ID
WTA-N-2023-0038
Who
Google, Google DeepMind; Demis Hassabis

Summary by wheresthe.ai, from Google. Checked against the source on 9 Oct 2026.

Read the original at Google

Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Next stop on this Storyline: What happened nextGoogle announces Gemini 1.5 Pro with a context window of up to 1 million tokens

Cite this story

WTA-N-2023-0038: “Google launches Gemini 1.0 in Ultra, Pro and Nano sizes.” wheresthe.ai, 6 Dec 2023. https://wheresthe.ai/d/google-gemini-1-0-launch-2023-12/ (source: Google: Introducing Gemini).

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