Build my stack
2026-09-01
Claude Fable 5.1 and Claude Mythos 5.1 introduced
New Feature
Anthropic's newest models target coding and knowledge work, and their research capabilities are an early look at how AI models will contribute to scientific progress.
Tool Changelog
What changed with Claude?
Track chronological product updates, verified pricing tiers adjustments, features additions/retirements, and outage summaries for Claude.
2
Tracked updates
2026-08-14
Claude's text watermark explained
New Feature
Anthropic published how the watermark embedded in Claude's text output works, giving teams a way to tell generated text apart from human writing.