What is Anthropic's Claude Mythos?

Anthropic's unreleased model that excels at finding zero-days, scoring top marks but gated to defense partners over safety fears.

Why did Anthropic block Claude in Cursor?

Subscriptions no longer support third-party tools; forces API billing, hiking costs up to 50x for devs relying on Cursor or Cline.

Is Meta's Muse Spark worth the hype?

Strong benchmarks and App Store jump, but proprietary shift from open roots smells like enterprise lock-in play.

🤖 AI & Machine Learning

Anthropic's Unreleased Beast: The AI That Finds Bugs Too Well

Your next software update might owe its security to an AI you'll never touch. Anthropic's locking away its bug-hunting monster, while screwing over coders with sneaky billing tricks.

theAIcatchup Apr 11, 2026 4 min read

Anthropic Claude Mythos AI model discovering zero-day vulnerabilities in code

⚡ Key Takeaways

Anthropic's Claude Mythos is too powerful for public release, limited to defense partners. 𝕏
Tool access blocks hit devs hard, pushing API costs sky-high. 𝕏
Philosophical flip: OpenAI goes open, Meta goes closed. 𝕏

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theAIcatchup

Community-driven. Code-first.

#AI agents #Anthropic AI #Claude Mythos #developer tools

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Originally reported by Dev.to

⚡ Key Takeaways

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