GPT-6 Astra leads the Epoch Capabilities Index (ECI), ahead of competing models like…
This is a AI post classified by Jev as Frontier models (a model release), kept by the AI Radar because it carries real work, not commentary.
GPT-6 Astra leads the Epoch Capabilities Index (ECI), ahead of competing models like Claude Fable 5.1, and its Math-ECI also sets a new record. However, on software engineering benchmarks, Fable 5.1 remains state-of-the-art.
Posted by Epoch AI (53.3k followers) 3 days ago · 450 likes · 32k views · view the original post on X. Kept by the AI Radar as Frontier models.
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