Analyst doubles down: OpenAI set to out-accelerate Anthropic by year-end
scaling01 · x · 2026-09-04
scaling01 reiterates his April call that OpenAI leading Anthropic by 1-3 months by year-end is now more likely. His reasoning: Anthropic has a better internal model but not by much, while OpenAI kept RL training for GPT-6.1-Astra; Anthropic is stuck on a model 4.16x more expensive, slower to serve and train; its reasoning RL lags (Opus 4.7 only just caught up to GPT-5.2/5.3 on math and hard science); OpenAI is just starting to hill-climb while Anthropic has had 7 months of it. Unverified speculation.
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