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Arena Hard Prompts

LMArena subcategory ranking models on a filtered slice of Arena prompts auto-classified as hard along multiple difficulty axes.

Operator
LMArena
Kind
Human preference
Updates
weekly·updated 8d ago
Notable for
The user-preference view of frontier model separation on hard prompts; correlated with Arena-Hard offline benchmark.
Tracks
349 models · Elo

Cite

Notes

Only stored in your browser.

Elo ranking

349

models

Arena Hard Prompts · EloBar chart with 21 bars. Highest value: Claude Opus 4.6 at 1527.
21 models

Backing benchmark

Human-preference voting. No underlying benchmark - models are ranked by pairwise votes, not by a test you can run.