The Cost-Capability Curve Has One Step
TL;DR All three frontier models scored 5/8 net. The local model scored 0/8. Haiku ($0.095) = Sonnet ($0.291) = Opus ($0.611) on this rubric. The cost/quality curve is a single step: $0 (local) → $0.09 (cloud), then flat. Upgrading from Haiku to Opus costs 6.4× more and buys zero additional rubric points. Two items evaded every model. One bonus bug was found only by Sonnet. Two tweets on my timeline last week. @Prathkum (79.7K views): “We don’t need a more powerful model right now. What we need to solve is the cost problem.” @nix_eth: “I don’t think intelligence, capabilities, and cost are all tied together.” ...