Leaker claims GPT-6 Astra beats Claude Fable 5.1 at metaprompting
whoiskatrin · x · 2026-09-05
User @cheatyyyy says it's time to call it: the unreleased GPT-6 Astra is "miles better" than Anthropic's Claude Fable 5.1, especially at metaprompting and fixing niche issues, and is even helping optimize an inference stack running MiniMax H3 on RTX Pro 6000s. None of the model names are officially confirmed by OpenAI or Anthropic, so treat as unverified.
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