Is Claude Opus 4.5 20251101 8K SOTA? No

Q: Is Claude Opus 4.5 20251101 8K state of the art?

No. Best recorded rank is #52 in Abstraction (ARC). As of Oct 14, 2026, Claude Opus 4.5 20251101 8K from Anthropic. Best recorded rank is #52 in Abstraction (ARC). Last listed at #52 in Abstraction (ARC) on 2025-11-24. That board does not award a crown.

isitsota / models / Anthropic / claude-opus-4-5-20251101-8k

VERIFIEDOct 142026

Is Claude Opus 4.5 20251101 8K state of the art?

No.Best recorded rank is #52 in Abstraction (ARC).

As of Oct 14, 2026, Claude Opus 4.5 20251101 8K from Anthropic. Best recorded rank is #52 in Abstraction (ARC). Last listed at #52 in Abstraction (ARC) on 2025-11-24. That board does not award a crown.

Computed automaticallyas of Oct 14, 2026methodology v1.0confidence: low

Abstraction (ARC)Not SOTA · #52#52 · 0d

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Why

The ruling, in plain English

Last listed at #52 in Abstraction (ARC) on 2025-11-24. That board does not award a crown.

Receipts

Evidence

Scores come from the latest ingested snapshot

Source	Score	Date	Type	Receipt
ARC-AGI claude-opus-4-5-20251101_8K	0.5867	2025-11-24	INDEP.	snap_e03cddec1fbb

Reign history

Where it sits in the succession

Full timeline →

No closed or open crown interval includes this model.

Honest about the gaps

Where it is not the crown

Category	This model	Why
Abstraction (ARC)	Not SOTA · #52	Last listed at #52 in Abstraction (ARC) on 2025-11-24. That board does not award a crown.