Blog
Claude Sonnet 5 Is Now the Default Claude Model — Should You Switch?
As of July 1, 2026, every new Claude conversation on Free and Pro starts on Sonnet 5 by default. Here's what actually changed, what Sonnet 5 is good at as your new baseline, and when it's still worth manually reaching for Opus 4.8.
Fable 5 Is Back: What a 19-Day Government Shutdown Taught Us About AI Infrastructure Risk
On June 12, 2026, the U.S. government suspended access to Anthropic's Fable 5 model — no outage, no bug, just an export-control order. It took 19 days and a policy reversal to bring it back, and that's a risk category most infrastructure plans don't account for.
Two Leaks in Five Days: What Anthropic's Worst Week Tells Us About AI Lab OpSec
Anthropic spent March privately warning governments about unprecedented AI cybersecurity risks — then accidentally handed the public the most detailed picture yet of what those risks look like. A deep dive into the Mythos leak, the Claude Code source code exposure, and what both mean for developers building on Anthropic's stack.