Shares of Alphabet, Google's parent company, fell during an AI event due to competition from Microsoft.

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The day before, Microsoft hosted its own AI event focused on updates to its Bing search engine and Edge browser.

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Microsoft used technology from OpenAI, in which the company has invested billions, to power its updates.

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OpenAI's ChatGPT software, which generates text based on prompts, went viral in November and led to Google declaring an internal "code red" to accelerate development of its AI products.

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Microsoft's investment in AI puts pressure on Google search, but analysts say it will take time for Microsoft to see significant gains.

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Analysts at Evercore believe that there was "little incremental news" from Google's event, contributing to the fall in stock price.

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The AI wars are heating up, with many tech companies vying to release their AI-powered products first.

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OpenAI has a head start with its ChatGPT chatbot, which has a wide range of uses and is the fastest-growing consumer app in history.

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Microsoft, Google, and Baidu are all investing in AI.

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Google is premiering its own AI-powered chatbot, Bard, which is powered by LaMDA, a language learning model similar to ChatGPT.

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CEO of Alphabet, Sundar Pichai, wrote that LaMDA will eventually be integrated with Google's search engine.

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Bard will be released to the public in a few weeks, according to Pichai.

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In a promotional video, Bard was asked for help with everyday tasks and more technical questions.

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However, Bard received criticism for inaccurate responses, including a mistake about the James Webb Space Telescope.

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The error cost Google $100 billion in market value and its shares fell nearly 8% in trading.

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Reuters was the first to report on Bard's mistake.

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Google's market cap fell from $1.35 trillion last week to $1.27 trillion on Wednesday.

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The error was discovered just before Google hosted an event in Paris to display more of Bard's capabilities.

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Bard's mistake highlights the importance of a rigorous testing process, which Google is starting with its Trusted Tester program.

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Despite the error, some analysts believe that Google's AI technology is at least as good as its competition and will help defend its market position in the long run.

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