# Is Claude Sonnet 4.5 20250929 SOTA?

**No.** Best recorded rank is #47 in Abstraction (ARC).

As of Oct 14, 2026, Claude Sonnet 4.5 20250929 from Anthropic. Best recorded rank is #47 in Abstraction (ARC). Last listed at #47 in Abstraction (ARC) on 2025-09-29. That board does not award a crown.

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

- Reasoning: NOT_SOTA #81 — Last listed at #81 in Reasoning on 2025-09-29.
- Science: NOT_SOTA #81 — Last listed at #81 in Science on 2025-09-29. That board does not award a crown.
- Factuality: NOT_SOTA #61 — Last listed at #61 in Factuality on 2025-09-29.
- Abstraction (ARC): NOT_SOTA #47 — Last listed at #47 in Abstraction (ARC) on 2025-09-29. That board does not award a crown.

## Abstraction (ARC)

https://isitsota.com/c/arc