GPT-6 Combining Massive Pre-training with OpenAI's Post-training Strength Could Breakthrough

haider1 · x · 2026-08-07

Analyst haider1 notes that in terms of pure pre-training intelligence, Mythos remains unmatched. However, combining a much larger pre-training run with OpenAI's industry-leading post-training capabilities in future models like GPT-6 or Astra could result in a major breakthrough. The author believes OpenAI has already maximized GPT-5.5's potential primarily due to its superior post-training.

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