Reddit post argues Anthropic has led benchmarks for 6+ months and is 2-3 iterations ahead internally

Concern-Excellent · reddit · 2026-10-17

A Reddit post claims the race is effectively over: since March 2026 Anthropic's public models have topped AAII and ECI benchmarks, with an internal Mythos (Fable-level) model said to be 2-3 iterations ahead; releases every 20 days and strong distillation (Sonnet 5.5). The author argues talent quality and retention are the real moat, and Anthropic may keep stronger models internal even while pacing the frontier publicly. Note: personal speculation, unverified claims.

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