~188176–199Estimated index scoreexpected range · not ranked until independently tested
–Core tests takenno independent results yet
−12Versus the frontier at releasebest then: Claude Opus 5.5
–Price per million tokensno public API price found
–Context windowtokens it reads at once
Where it sitson the frontier
Dashed ring: an estimate until Epoch AI publishes results for this model.
Test resultsby area · tick = best by any model
Reasoning & knowledgeno evidence yet
Humanity's Last Examno result Mathsno evidence yet
FrontierMath T1-3no result Codingno evidence yet
SWE-bench Verifiedno result Novel problemsno evidence yet
Long tasksno evidence yet
METR time horizonno result Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.