Open source models lagging: Anthropic's internal models far ahead of delayed Astra

haider1 · x · 2026-08-25

The author expresses concern that public models are falling further behind internal ones. Noting that Astra is already delayed (it was supposed to release 2 weeks ago) and Anthropic is deliberately keeping Mythos 5.1/2 internal. By the time these models reach the public, Mythos 3 and Astra.x will likely already be trained.

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