Claude Next, allegedly in your Claude Code right now

Subject: "Claude Next"

Claim

Some Opus 5.5 requests are "being routed to an unreleased model". The tell: "it knows things past opus 5.5's cutoff."

Finding

"Anthropic hasn't confirmed anything: no model id, nothing on its news page." Entered into the leaderboard at a claimed score of 92, pending existence.

Timeline

12 Oct 2026
"IF THIS IS REAL, IT'S F*CKING INSANE."@halcyonedge · ♥ 4 ↗

Primary sources

The posts this entry is based on, embedded as published.

Halcyon

@halcyonedge

IF THIS IS REAL, IT'S F*CKING INSANE. people testing claude code say some opus 5.5 requests are being routed to an unreleased model. the tell: it knows things past opus 5.5's cutoff. some are calling it "claude next". anthropic hasn't confirmed anything: no model id, nothing on

12 Oct 2026♥ 4Open on X ↗