Rebuttal to AI speedup claim: timeline mismatch and no diminishing returns

austinc3301 · x · 2026-11-09

Countering the claim that Mythos-class models accelerated Anthropic's research, the author argues: the speedup appeared to start in October 2025 while Mythos shipped in February 2026, so the timeline doesn't fit; and if it were a one-time RL free lunch, you'd expect diminishing returns or some slowdown, which the data doesn't show.

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