Rumor: Anthropic Uses Internal Model Far Better Than Mythos 5
Neurogence · reddit · 2026-08-15
Twitter rumors claim Anthropic is internally using a model significantly better than Mythos 5 with no plans to release it. Reports suggest this unreleased 'Model 2' scored 12.5 percentage points higher than Mythos 5 on CoBench v2, which tests the ability to solve historical AI R&D tasks. Comments estimate few turns are left before a model can replace researchers, predicting a 2027 takeoff.
Related event: Anthropic's Internal Model 2 Capabilities Revealed(21 posts)→
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