Epoch AI: same FrontierMath score fell from $0.55 on o3 to $0.0015 in 18 months
morqon · x · 2026-10-09
Epoch AI illustrates the plunging "cost of thought" with OpenAI's own models: o3, released January 2025, was the first LLM to score >25% on FrontierMath Tiers 1-3, at a cost of $0.55. This summer, GPT-5.6 Luna hit the same mark for $0.0015 — a 377-fold drop in 18 months.
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