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A comment on Measuring AI Ability to Complete Long Tasks: Opus 4.5 has 50% horizon of 4h49M. Parent comment

Re:Measuring AI Ability to Complete Long Tasks: Opus 4.5 has... by emp17344 on Sunday December 21, 2025 @01:03AM (#46342634)
I wonder how much of this stuff is attributable to true model advancement, or if it’s an improvement in the genetic harness? It’s impossible to separate strict model improvement from improvement in the associated tools.
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