AI cost at fixed performance has fallen ~47% per quarter since 2023, faster than any prior tech

RealSlyck · reddit · 2026-09-24

A Reddit post highlights that at a given level of performance, AI cost has dropped roughly 47% per quarter since 2023 — a rate of decline faster than any other transformative technology in history. The author frames it as a rebuttal to tech pessimists: AI is getting cheaper more quickly than anything before it.

Related event: Epoch AI: Cost of AI at Fixed Performance Falls ~47% per Quarter, Fastest Ever(9 posts)→

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