Anthropic has unreleased models that were included in an independent assessment of AI…
This is a AI post classified by AGK Intelligence as Frontier models (a model release), kept by the AI Radar because it carries real work, not commentary.
Anthropic has unreleased models that were included in an independent assessment of AI progress. METR says benchmark data from those newer internal models pushed its estimated acceleration rate to 1.9x. Anthropic’s Haiku 5.5 system card had reported 1.7x. The newest model in METR’s chart is labeled “Model 4” and was available internally in October 2026.
Posted by Chubby♨️ (156.7k followers) 19 h ago · 438 likes · 28.6k views · view the original post on X. Kept by the AI Radar as Frontier models.
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