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Claude Fable 5
3articles

SpaceXAI’s Grok 4.6 ties OpenAI’s best model and costs far less
Grok 4.6 finishes complex tasks in about 53 steps. Claude Opus 5 needs roughly 103. That gap says more about what SpaceXAI built than the headline benchmark score…
A 3-variable formula from Claude Fable 5 just broke the 87-year-old Jacobian conjecture
The counterexample that killed one of algebraic geometry’s most stubborn open problems fits inside a single post on X. Not a 200-page proof. Not a distributed computation running…

