Perplexity launches Nvidia-backed local AI agent

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- Perplexity launched "Portable Computer," a fully local AI agent with zero token costs that runs on a user's GPU instead of the cloud
- Perplexity is partnering with Nvidia on the Portable Computer launch, per VentureBeat's headline framing
Why it matters: By executing locally on user hardware with zero per-query token costs, Portable Computer removes the metered-API billing that normally gates access to frontier AI — shifting the cost model from subscription-plus-usage to hardware-only, which matters most to power users who rack up large token bills on cloud-based chatbots.
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