# Is Claude Sonnet 4.5 20250929 1K SOTA?

**No.** Best recorded rank is #55 in Abstraction (ARC).

As of Oct 14, 2026, Claude Sonnet 4.5 20250929 1K from Anthropic. Best recorded rank is #55 in Abstraction (ARC). Last listed at #55 in Abstraction (ARC) on 2025-09-29. That board does not award a crown.

As of Oct 14, 2026. Methodology v1.0. Computed automatically.

- Abstraction (ARC): RANKED #55 — Last listed at #55 in Abstraction (ARC) on 2025-09-29. That board does not award a crown.