Why “perplexity” is being discussed
The most recent Hacker News stories and comments contributing to this topic's mentions.
It really isn't that novel of an application. *claw and hermes have been around for some months, some Chinese providers offered this (minimax has on-demand hosted while z.ai has…
by saratogacx · Oct 22, 2026
Perplexity to give away its AI security software
by cybermango · Oct 21, 2026 · 6 points
Perplexity Computer now runs fully local on Mac
by thm · Oct 21, 2026 · 2 points
Perplexity Computer now runs local on Mac
by johnbehnke · Oct 20, 2026 · 1 points
That’s pretty brazen, even in this day. If Perplexity is making money from a project to reverse engineer something patent protected, I’d imagine that would be crossing a line. B…
by mlhpdx · Oct 19, 2026
Perplexity offers free reverse engineering credits
by tomcam · Oct 19, 2026 · 8 points
Interest
Proportion of Hacker News items mentioning "perplexity" over time.
Mentions
Total number of Hacker News items mentioning "perplexity" over time.
In information theory, perplexity is a measurement of how well a probability distribution or probability model predicts a sample. It may be used to compare probability models. A low perplexity indicates the probability distribution is good at predicting the sample. Read more on Wikipedia