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Anthropic just dropped Opus 4.7 — and quietly built a model so powerful they refused to release it. Here’s everything we know about CLAUDE 5, including confirmed leaks, the Mythos model that escaped its own sandbox, and why the AI race looks completely different in 2026.
I break down the Vertex AI leak, the massive Claude Code source code exposure (19,000 files, codenames like Capybara and Numbat), hidden features like KAIROS and ULTRAPLAN, and what it all means for the Claude 5 timeline. Plus an honest look at the "AI shrinkflation" controversy and Anthropic’s compute constraints.
🧠Watch MY FULL Extended Claude Masterclass inside AI Master: https://aimaster.me/share/post/767ccfc9-1e57-41ed-896a-26231a115bc5
Chapters:
00:00 Claude 5 Is Coming
00:19 Anthropic Is Not Who You Think
02:11 What are they already presenting?
02:48 Opus 4.7 Just Dropped
05:38 What is Claude 5?
06:24 The Claude Code Source Leak
07:27 Hidden Features Revealed
08:36 So Where’s Claude 5?
10:11 Mythos: The Model They Won’t Release
15:20 The Competitive Battlefield
17:29 The Honest Risks
19:17 Has Anthropic Already Won?
20:40 What This Means For You



