Claude News Today — September 2 (Wed)

Good morning, this is your news correspondent. Anthropic has unveiled Claude Code updates along with Claude Fable 5.1 and Claude Mythos 5.1, new models specialized for coding and knowledge work. They've also introduced Enterprise Frontier Safeguards developed in collaboration with customers, and shared real-usage data with external research institutions for the first time. Today's news — 7 stories: 1. Claude Code 2.1.257 https://usingclaude.com/ko/news/updates/claude-code-2-1-257 2. Claude Code 2.1.258 https://usingclaude.com/ko/news/updates/claude-code-2-1-258 3. Claude Fable 5.1 and Claude Mythos 5.1 Launch https://usingclaude.com/ko/news/updates/claude-fable-5-1-and-claude-mythos-5-1-launch 4. Anthropic Unveils New Coding and Knowledge Work Specialized Models 'Fable 5.1' and 'Mythos 5.1' https://usingclaude.com/ko/news/updates/claude-fable-5-1-mythos-5-1-announced 5. Enterprise Frontier Safeguards Developed With Our Customers https://usingclaude.com/ko/news/auto-feed/enterprise-frontier-safeguards 6. Claude's Real-Usage Data Shared With External Research Institutions for the First Time — Here's What They Found https://usingclaude.com/ko/news/updates/claude-independent-research-pilot 7. August 2026 Anthropic News Summary - 7 stories https://usingclaude.com/ko/news/updates/anthropic-monthly-roundup-2026-08 Have questions? Leave them in the comments. Our team will get back to you within 48 hours. Get weekly summaries in your email: https://usingclaude.com/ko/newsletter