# Is Claude Sonnet 5.5 SOTA?

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

As of Oct 14, 2026, Claude Sonnet 5.5 from Anthropic. SOTA in co-SOTA in Coding, co-SOTA in Coding › Agentic and co-SOTA in Vision. Claude Sonnet 5.5 is tied for SOTA in Coding with Claude Opus 5.5, within the margin of error, since 2026-10-06.

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

- General LLM: RANKED #27 — Ranked #27 in General LLM.
- Reasoning: RANKED #18 — Ranked #18 in Reasoning.
- Math: RANKED #4 — Ranked #4 in Math.
- Science: RANKED #3 — Last listed at #3 in Science on 2026-09-28. That board does not award a crown.
- Coding: CO_SOTA #1 — Claude Sonnet 5.5 is tied for SOTA in Coding with Claude Opus 5.5, within the margin of error, since 2026-10-06.
- Coding › Agentic: CO_SOTA #1 — Claude Sonnet 5.5 is tied for SOTA in Coding › Agentic with Claude Opus 5.5, within the margin of error, since 2026-10-06.
- Coding › Web dev: NEAR_SOTA #3 — Close in Coding › Web dev: rank #3, 1.9 percentile points behind the leader.
- Long context: RANKED #10 — Ranked #10 in Long context.
- Vision: CO_SOTA #1 — Claude Sonnet 5.5 is tied for SOTA in Vision with GPT-6 Astra, GPT-6.1 Sol, within the margin of error, since 2026-09-30.
- Factuality: RANKED #16 — Ranked #16 in Factuality.

## Reasoning

https://isitsota.com/c/reasoning