#eu-ai-act
- 7/5/2026 Weekly Briefing AI Weekly #27/2026: Claude Sonnet 5 Becomes the New Standard - and Grok 4.5 Remains a Claim
Claude Sonnet 5 replaces Claude 4.6 as the new default model for Free and Pro, while Musk promises Opus-level performance for Grok 4.5 - without showing a single benchmark.