A new model, grok-4.7-xhigh-public, has appeared on the LMArena leaderboard, potentially i

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CATCH #1545 DETECTED SEP 22, 2026 19:17 UTC

THE CATCHscore 8/10

EXHIBIT 1545 · FLASH

Sep 22, 2026 19:17 UTC lmarena lmarena.ai/leaderboard

A new model, grok-4.7-xhigh-public, has appeared on the LMArena leaderboard, potentially indicating an upcoming release.

READY TO POST:

looks like grok-4.7-xhigh-public just popped up on the lmarena leaderboard. could be an interesting new model from grok on the horizon.

seeing a new grok-4.7-xhigh-public model on lmarena. labs often test unreleased stuff there, so might be one to watch.

EVIDENCE — the receipts

LMArena: 1 new model appeared on the leaderboard
(labs test unreleased models here — often weeks before launch)

[named / preview] (1)
  + grok-4.7-xhigh-public

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