Scale puts AI capability and cost in a U-shape: GPT is absurdly cheap, Codex an unreal deal

chris_j_paxton · x · 2026-09-06

Citing a Reddit chart from soggybert, the author argues AI capability and cost follow a U-shape as they scale — the same reason Tesla builds only about 4 car models. Applied to AI: GPT is insanely cheap for what you get, and Codex looks like an unreal deal post-Astra. Scale economics are pushing frontier-model usage costs far below expectations.

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