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Sources detail Mark Zuckerberg's decision to launch Muse despite safety concerns, after seeing that AI startup Instinct's similar agent product gained traction (Eli Tan/New York Times)

Meta had delayed releasing Muse, its A.I. agent app, for months over safety concerns. Then new competition forced Mr. Zuckerberg's hand.

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More in AI

Claude Opus 5.5 Effort Levels Tested: Low to Max

I'm a solo developer in Korea who builds games with AI. Claude Opus 5.5 has five effort levels, so I ran the same prompt at every one of them and measured it.

  • Claude Opus 5.5 offers five effort levels, from low to max
  • Low effort generates simple games in 32 seconds for $0.48
  • Max effort creates advanced games in 22 minutes 22 seconds for $5.25

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