Prewire · case file · public copy of the record
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CATCH #1900 DETECTED OCT 7, 2026 06:37 UTC
THE CATCHscore 9/10
EXHIBIT 1900 · FLASH
Oct 7, 2026 06:37 UTC lmarena lmarena.ai/leaderboard
LMArena added three new models to its leaderboard, including two anonymous models, ajax-20260517 and mimo-v2-6-pro-public-webdev, and mistral-large-4.

READY TO POST:

lmarena just updated their leaderboard with some new models, including two anonymous ones: ajax-20260517 and mimo-v2-6-pro-public-webdev. could these be stealth models in testing?

a new mistral-large-4 model just showed up on the lmarena leaderboard, alongside two cryptic codenames. wonder what those anonymous models are cooking.

EVIDENCE — the receipts
LMArena: 3 new models appeared on the leaderboard
(labs test unreleased models here — often weeks before launch)

[anonymous codenames — likely stealth] (2)
  + ajax-20260517
  + mimo-v2-6-pro-public-webdev

[named / preview] (1)
  + mistral-large-4

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