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CATCH #1136 DETECTED SEP 2, 2026 17:19 UTC
THE CATCHscore 8/10
EXHIBIT 1136 · FLASH
Sep 2, 2026 17:19 UTC lmarena lmarena.ai/leaderboard
A new model, claude-fable-5.1-max-webdev, appeared on the LMArena leaderboard, suggesting a potential unreleased Claude variant focused on web development.

READY TO POST:

looks like a new claude model, claude-fable-5.1-max-webdev, just popped up on lmarena. could be a specialized web dev version coming soon.

anthropic might be testing a 'fable' series for claude, with a webdev focus. saw claude-fable-5.1-max-webdev on lmarena leaderboard.

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

[named / preview] (1)
  + claude-fable-5.1-max-webdev

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