Leaked AECI table: next-gen model nears automated-coder capability at ~183 ECI

toptickcrypto · x · 2026-11-11

Citing an Epoch AI estimate of 183 ECI for an automated coder, @toptickcrypto claims "Model 4" — the successor to Model 3 (released as Fable 5.2) and the model that triggered the METR report — is within error bars of an automated coder. The attached table shows Anthropic AECI scores climbing from 165.71 (Claude Mythos Preview) to 178.78 (an internal model), with 95% confidence intervals. Third-party claim, unverified.

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