Personal Computer Perplexity

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

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

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

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 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)

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 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

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

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

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

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…