# Is Claude Fable 5.1 SOTA?

**Yes.** SOTA in co-SOTA in Factuality.

As of Oct 13, 2026, Claude Fable 5.1 from Anthropic. SOTA in co-SOTA in Factuality. Claude Fable 5.1 is tied for SOTA in Factuality with Gemini 4 Argon, Claude Opus 5.5, within the margin of error, since 2026-10-02.

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

- General LLM: NEAR_SOTA #6 — Close in General LLM: rank #6, 3.4 percentile points behind the leader.
- Reasoning: NEAR_SOTA #6 — Close in Reasoning: rank #6, 3.4 percentile points behind the leader.
- Math: NEAR_SOTA #2 — Close in Math: rank #2, 2.3 percentile points behind the leader.
- Coding: NOT_SOTA #5 — Ranked #5 in Coding.
- Coding › Agentic: NOT_SOTA #5 — Ranked #5 in Coding › Agentic.
- Coding › Web dev: NEAR_SOTA #5 — Close in Coding › Web dev: rank #5, 3.8 percentile points behind the leader.
- Long context: WAS_SOTA #7 — Was SOTA in Long context from 2026-09-11 to 2026-10-02. Currently ranked #7.
- Vision: NEAR_SOTA #5 — Close in Vision: rank #5, 11.8 percentile points behind the leader.
- Factuality: CO_SOTA #3 — Claude Fable 5.1 is tied for SOTA in Factuality with Gemini 4 Argon, Claude Opus 5.5, within the margin of error, since 2026-10-02.
- Abstraction (ARC): NOT_SOTA #7 — Last listed at #7 in Abstraction (ARC) on 2026-09-01. That board does not award a crown.

## Coding

https://isitsota.com/c/coding