Anthropic just closed on a $13 billion Series F funding round.

It's been about a month since OpenAI unveiled its latest model, GPT-5. In that time, rival platforms have made bold moves of their own.

Perplexity , for instance, drew headlines with a $34.5 billion unsolicited bid for Alphabet 's Google Chrome, while Anthropic -- backed by both Alphabet and Amazon ( AMZN 1.04% ) -- closed a $13 billion Series F funding round that propelled its valuation to an eye-popping $183 billion.

Since debuting its AI chatbot , Claude, in March 2023, Anthropic has experienced explosive growth. The company's run-rate revenue surged from $1 billion at the start of this year to $5 billion by the end of August.

While these gains are a clear win for the venture capital firms that backed

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