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Google Gemini

Google's advanced multimodal AI model powering AI Overviews and various Google services, capable of understanding text, images, and code.

Updated July 29, 2025
AI

Definition

Google Gemini is Google's most advanced and capable artificial intelligence model, designed to be multimodal and able to understand and generate text, images, audio, video, and code. Launched in 2023, Gemini represents Google's answer to OpenAI's GPT models and serves as the underlying technology powering Google's AI Overviews, Bard chatbot, and various other AI-enhanced Google services.

Gemini comes in different sizes: Gemini Ultra (the most capable), Gemini Pro (balanced performance), and Gemini Nano (efficient for on-device tasks). The model was specifically designed with safety and responsibility in mind, incorporating extensive safety testing and alignment techniques.

For SEO and GEO professionals, understanding Gemini is crucial because it directly influences how Google's AI Overviews are generated, what sources get cited, and how information is synthesized for users. Gemini's training includes web content, making it important for businesses to ensure their content is structured in ways that Gemini can effectively understand and cite.

The model's multimodal capabilities also mean it can process and understand images, videos, and other media types, expanding optimization opportunities beyond text-based content.

Examples of Google Gemini

  • Gemini Pro powers the AI Overviews that appear in Google Search results, synthesizing information from multiple web sources
  • Gemini Ultra is used in advanced applications requiring complex reasoning and problem-solving capabilities
  • Gemini Nano runs locally on mobile devices to power features like Smart Reply and live translations

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