# Is Grok 4.20 0309 Reasoning SOTA?

**No.** Best recorded rank is #40 in Science.

As of Oct 14, 2026, Grok 4.20 0309 Reasoning from xAI. Best recorded rank is #40 in Science. Last listed at #40 in Science on 2026-02-17. That board does not award a crown.

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

- Reasoning: INSUFFICIENT_DATA — #40 on GPQA Diamond; missing Humanity's Last Exam and LMArena Text (style-controlled, hard prompts)
- Science: RANKED #40 — Last listed at #40 in Science on 2026-02-17. That board does not award a crown.
- Factuality: INSUFFICIENT_DATA — #59 on SimpleQA Verified; missing LMArena Text factuality