Observed arrival · 2026-09-29
Cortex, the Mac activity monitor for the AI era
A macOS system monitor that groups processes under apps, keeps 30 days of history, and tracks Apple Silicon and local-AI activity.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Mac users running local AI models
- Worth noticing
- A sample compares a 70B, 4-bit Llama model at 8K context with 21 GB of free memory and labels it “Almost fits.”
Field notes
Cortex groups child processes under recognizable apps, with expandable detail and views for per-app CPU, memory, disk, and network activity. Its Apple Silicon section names Neural Engine power, local model memory, and detection for Ollama, LM Studio, llama.cpp server, ComfyUI, MLX, and PyTorch; the page labels Neural Engine load an estimate. A model-fit example compares a 70B, 4-bit model at 8K context against 21 GB of free memory.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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