perplexity

Perplexity is a measurement used in language modeling and natural language processing to evaluate how well a probability model predicts a sample of text. It quantifies the model’s uncertainty—the lower the perplexity, the better the model is at predicting the words in the sample. In essence, perplexity can be thought of as the weighted average branching factor of a language model.
  1. Amazon Demands Perplexity Remove AI Shopping Browser “Comet”

    Amazon Demands Perplexity Remove AI Shopping Browser “Comet”

    Amazon Demands Perplexity Remove AI Shopping Browser “Comet” Amazon has issued a firm takedown request to Perplexity, demanding the immediate removal of its AI-powered browser “Comet” from the company’s online marketplace. The tech giant accuses the AI shopping assistant of violating platform...
  2. Reddit post claims OpenAI accidentally leaked list of top 30 clients

    Reddit post claims OpenAI accidentally leaked list of top 30 clients

    Reddit Post Claims OpenAI Accidentally Leaked List of Top 30 Clients A Reddit discussion has ignited speculation about a possible OpenAI data leak, revealing the company’s biggest API consumers — together using over one trillion tokens. What the alleged leak shows The thread, posted in the...
  3. “CometJacking” Attack Turns AI Browser into Data-exfiltration Tool

    “CometJacking” Attack Turns AI Browser into Data-exfiltration Tool

    “CometJacking” Attack Turns AI Browser into Data-exfiltration Tool Security researchers say a newly discovered vulnerability — dubbed CometJacking — can weaponize AI-powered browsers to steal private data from services like Gmail and Google Calendar by injecting hidden instructions via URL...
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