19 models that run on smartphones now beat GPT-4, once top for a full year
emollick · x · 2026-10-13
Ethan Mollick notes GPT-4 was the undisputed best model in the world for a full year, sparking debate over whether anyone could catch OpenAI. Per the Epoch Capabilities Index (Oct 2026), 19 models that run on a modern smartphone now outperform GPT-4. The accompanying chart shows 20 leadership changes since Feb 2024, with GPT-4 holding the top spot for 352 days before frequent handoffs — currently Claude Opus 5.5.
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