Rumors: 'Mythos 5.5' Spotted in Anthropic's Site Code, 'Astra 6.2' in Codex Usage Data

haider1 · x · 2026-11-10

haider argues Anthropic and OpenAI are locked in a waiting game, neither willing to ship its flagship model first. Both teased last week: "mythos 5.5" was found in Anthropic's website code and "astra 6.2" appeared in Codex usage data. Unverified rumors, but he hopes one makes a move this week.

Related event: Astra 6.2 Rumored to Boost Computer Use as OpenAI and Anthropic Wait Each Other Out(3 posts)→

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