公开模型之外：OpenAI 与 Anthropic 内部模型领先多少

Haider. @haider1原推发布于 2026.09.24

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opus 5.5, fable 5.1, and gpt-6 astra — and we're only comparing the public models here both openai and anthropic have more advanced internal models. oai showed internal-model performance graphs around the navier-stokes work, which could give us a rough idea of how far ahead they are internally probably around 2 months ahead?