Personal Computer Perplexity — All Guides
Personal Computer Perplexity is an AI agent for Mac that can work across local files, apps, and the web. It suits power users, researchers, and professionals who want hands-on help with complex workflows and long-running tasks.
Guides & Articles
The Morris II AI worm and why prompt injection is so hard to stop
A new research prototype called Morris II shows how AI assistants can be turned into self-spreading worms using nothing more than hidden text or images. Here’s …
Grok 5, AGI hype, and what Elon Musk’s xAI bet really means
Elon Musk says Grok 5 could be “indistinguishable from AGI,” but the reality is more complicated. Here’s what’s actually confirmed about Grok 5, the wild superc…
Inside Meta’s $200 billion bet on a remote AI data center
Meta is pouring an estimated $200 billion into a massive AI data center complex in one of the poorest regions of Louisiana. The project promises jobs and econom…
Grok 4.5 explained: inside xAI’s city-scale training and 6 trillion parameter AGI plan
Grok 4.5 is xAI’s next major model, trained on city‑scale infrastructure and built as a natively multimodal Mixture‑of‑Experts system. Here’s how it works, how …
How DeepSeek cut prices with prompt caching (and how you can too)
DeepSeek’s massive price cut isn’t magic—it’s architecture plus smart prompt design. This guide explains how prompt caching works, why DeepSeek can offer such l…
OpenAI’s GPT‑5.4 Pro might now be the smartest AI model in the world
OpenAI’s new GPT‑5.4 Pro model is setting records on cutting‑edge reasoning, math, web browsing, and real‑world work benchmarks—but it comes with a high price t…
Claude Mythos, DeepSeek v4 rumors, HappyHorse, and real-time AI worlds: this week in AI
Anthropic’s secretive Claude Mythos model sparks an AI cybersecurity arms race, while Alibaba’s HappyHorse tops video leaderboards, Zhipu’s GLM 5.1 becomes the …
NotebookLM’s new agentic AI update turns it into a real research assistant
Google just turned NotebookLM from a simple “chat with your docs” tool into a full agentic research workspace. It can now discover sources, run multi-step analy…
Why everyone is arguing about whether AI progress has slowed down
Is AI progress speeding up or stalling out? This article breaks down the debate over post‑GPT‑4 progress, coding agents, and whether AI is really helping build …
How to unlock more VRAM on your Mac for local AI models
Running large language models on a base Apple silicon Mac can feel impossible with limited RAM. This guide explains how macOS handles unified memory, what LM St…