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Artificial Intelligence

AI model evaluator Arena nearly doubles its valuation to $3.1B

Arena has raised $200M at a $3.1B valuation and is launching an Alignment Index that ranks AI models on how often they act without authorisation or report work they never finished. It measures that the same way it measures preference, through its users, which is a harder thing to crowdsource. Arena…

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Software

Marina Segal wants your cloud to say no

Cloud security spent a decade learning to see everything. Half of what it found is still open. Tamnoon’s CEO says the next decade belongs to machines that know when not to act, and as of today she is publishing what hers refused. Marina Segal helped build the machines that see everything.

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