Prewire · case file · public copy of the record
FILE P383 PREWIRE receipts archive the live wire
CATCH #1683 DETECTED SEP 27, 2026 21:18 UTC
THE CATCHscore 8/10
EXHIBIT 1683 · FLASH
Sep 27, 2026 21:18 UTC lmarena lmarena.ai/leaderboard
Two new Claude Opus 5.5 models, `claude-opus-5.5-high-vertex-agent` and `contenders/claude-opus-5.5-high-vertex-agent`, have appeared on the LMArena leaderboard.

READY TO POST:

looks like claude opus 5.5 might be in testing on lmarena? seeing two new `claude-opus-5.5-high-vertex-agent` models pop up there.

new claude opus 5.5 models just hit the lmarena leaderboard. interesting to see what 'high-vertex-agent' might imply for future capabilities.

EVIDENCE — the receipts
LMArena: 2 new models appeared on the leaderboard
(labs test unreleased models here — often weeks before launch)

[named / preview] (2)
  + claude-opus-5.5-high-vertex-agent
  + contenders/claude-opus-5.5-high-vertex-agent

caught by the 20-minute sweep · the live wire · all receipts

THE WIRE RECEIPTS ACCESS @VEDOLOS TERMS PRIVACY break the story before it breaks