CoreWeave crash widens gap between OpenAI and Anthropic

OpenAI's valuation falls 4% while Anthropic rises 2.4% as GPU rental company's shares plunge 54% over a year.

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Oct 16, 2026

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CoreWeave crash widens gap between OpenAI and Anthropic

OpenAI's valuation falls 4% while Anthropic rises 2.4% as GPU rental company's shares plunge 54% over a year.

In brief

OpenAI's valuation falls 4% while Anthropic rises 2.4% as GPU rental company's shares plunge 54% over a year. OpenAI's valuation dropped below one point five trillion dollars as CoreWeave shares crashed, while Anthropic's rose to just over two trillion, reflecting their different exposure to the struggling GPU rental…

OpenAI and Anthropic diverge sharply

OpenAI's valuation fell more than four percent in twenty four hours, briefly slipping under one point five trillion dollars. Anthropic's valuation rose two point four percent to just over two trillion dollars.

CoreWeave's collapse drives the split

CoreWeave, a GPU rental company, saw shares touch a one year low Thursday, extending a decline over that period to fifty four percent. OpenAI has closer ties to CoreWeave than Anthropic does.

OpenAI's CoreWeave exposure

OpenAI's CoreWeave exposure

As of September twenty twenty five, OpenAI's relationship with CoreWeave was worth at least twenty two billion dollars including a five year agreement to provide datacenters and technology.

How perpetual futures track valuations

Perpetual futures on decentralized exchange Hyperliquid use third party data like private funding rounds and secondary market transactions to estimate private market prices.Open interest in Anthropic perps is more than five times bigger than OpenAI.

Both companies down from recent highs

While OpenAI perps fell more than Anthropic in the past twenty four hours, both companies are down about fifteen percent from highs last month according to Hyperliquid pricing.

The headline

OpenAI's valuation dropped below one point five trillion dollars as CoreWeave shares crashed, while Anthropic's rose to just over two trillion, reflecting their different exposure to the struggling GPU rental company.

Read the original on CNBC

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