Reddit debates whether Anthropic needs a new flagship before IPO as Astra pressure mounts
OneKey3719 · reddit · 2026-09-10
A Reddit thread speculates on Anthropic's release strategy amid new competition. Musk has said Grok 4.7 will beat current models but Anthropic will eventually ship something better — meaning the next Opus may not be enough and a new 'Fable' generation is needed.
The poster argues labs almost always have next-gen models cooking internally: Anthropic's Mythos has been sitting unreleased since April, alongside rumors of an internal "Model 2"; OpenAI reportedly has internal models beyond Astra, including the one that solved the recent math problems. The open question: does Anthropic enter its IPO with Fable 5.1 as its best public model, or drop a new flagship first? The author thinks a full new Fable this early is unlikely — 5.1 may be a placeholder until the real next version is ready.
Related event: Rumor: Anthropic to release new flagship model before IPO(2 posts)→
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