# Is Claude Opus 5.5 SOTA?

**Yes.** SOTA in co-SOTA in Reasoning, co-SOTA in Coding and co-SOTA in Coding › Agentic.

As of Oct 13, 2026, Claude Opus 5.5 from Anthropic. SOTA in co-SOTA in Reasoning, co-SOTA in Coding and co-SOTA in Coding › Agentic. Claude Opus 5.5 is tied for SOTA in Coding with Claude Sonnet 5.5, within the margin of error, since 2026-10-06.

As of Oct 13, 2026. Methodology v1.0. Computed automatically.

- General LLM: NOT_SOTA #7 — Ranked #7 in General LLM.
- Reasoning: CO_SOTA #7 — Claude Opus 5.5 is co-SOTA in Reasoning with low confidence because primary sources disagree beyond the margin of error (with GPT-6 Astra, Gemini 4 Argon).
- Science: NOT_SOTA #37 — Last listed at #37 in Science on 2026-09-22. That board does not award a crown.
- Coding: CO_SOTA #1 — Claude Opus 5.5 is tied for SOTA in Coding with Claude Sonnet 5.5, within the margin of error, since 2026-10-06.
- Coding › Agentic: CO_SOTA #1 — Claude Opus 5.5 is tied for SOTA in Coding › Agentic with Claude Sonnet 5.5, within the margin of error, since 2026-10-06.
- Coding › Web dev: NOT_SOTA #1 — Ranked #1 in Coding › Web dev.
- Long context: NOT_SOTA #7 — Ranked #7 in Long context.
- Vision: NOT_SOTA #3 — Ranked #3 in Vision.
- Factuality: NOT_SOTA #2 — Ranked #2 in Factuality.
- Abstraction (ARC): NOT_SOTA #1 — Last listed at #1 in Abstraction (ARC) on 2026-09-22. That board does not award a crown.