Is Claude Opus 4.5 SOTA? It used to be

Q: Is Claude Opus 4.5 state of the art?

It used to be. Was SOTA in Reasoning. As of Oct 14, 2026, Claude Opus 4.5 from Anthropic. Was SOTA in Reasoning. Was SOTA in Long context from 2026-01-29 to 2026-02-09. Currently ranked #18.

isitsota / models / Anthropic / claude-opus-4-5

VERIFIEDOct 142026

Is Claude Opus 4.5 state of the art?

It used to be.Was SOTA in Reasoning.

As of Oct 14, 2026, Claude Opus 4.5 from Anthropic. Was SOTA in Reasoning. Was SOTA in Long context from 2026-01-29 to 2026-02-09. Currently ranked #18.

Computed automaticallyas of Oct 14, 2026methodology v1.0confidence: medium

General LLMNot SOTA · #33#33 · 0d General LLM · paretoNot SOTA · #41#41 · 0d ReasoningWas SOTA#29 · 317d Reasoning · paretoNot SOTA · #31#31 · 0d MathNot SOTA · #14#14 · 0d Math · paretoNot SOTA · #14#14 · 0d ScienceNot SOTA · #86#86 · 0d CodingNot SOTA · #9#9 · 0d Coding › Web devWas SOTA#51 · 317d Coding › Web dev · paretoNot SOTA · #57#57 · 0d

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Why

The ruling, in plain English

Ranked #33 in General LLM.

Receipts

Evidence

Scores come from the latest ingested snapshot

Source	Score	Date	Type	Receipt
LMArena Text (style-controlled, overall) claude-opus-4-5-20251101	1469.7678617765628 1466.6–1472.9	2026-10-08	INDEP.	snap_368d64825bf4
LMArena Text (style-controlled, hard prompts) claude-opus-4-5-20251101	1498.2972526846793 1494.3–1502.3	2026-10-08	INDEP.	snap_368d64825bf4
Humanity's Last Exam claude-opus-4-5-20251101_unknown	0.252 0.2–0.3	2025-11-24	INDEP.	snap_fee7890b5dd0
GPQA Diamond claude-opus-4-5-20251101	0.8068181818181818 0.8–0.9	2025-11-24	INDEP.	snap_fee7890b5dd0
SWE-bench Verified claude-opus-4-5-20251101	0.7665289256198347 0.7–0.8	2025-11-24	INDEP.	snap_fee7890b5dd0
LMArena WebDev claude-opus-4-5-20251101	1469.0491766636017 1461.9–1476.2	2026-10-08	INDEP.	snap_6949d6fb2488
LMArena Text (style-controlled, longer query) claude-opus-4-5-20251101	1492.7804066578972 1487.8–1497.7	2026-10-08	INDEP.	snap_368d64825bf4
LMArena Text factuality claude-opus-4-5-20251101	1459.2582259835926 1456.5–1462.0	2026-10-08	INDEP.	snap_f051faf18005
ARC-AGI claude-opus-4-5-20251101	0.4	2025-11-24	INDEP.	snap_fee7890b5dd0

Reign history

Where it sits in the succession

Full timeline →

Reasoning

Claude 3.5 Sonnet

O1 Mini

O1 Preview

Claude 3.5 Sonnet

O1 Preview

DeepSeek R1

O3 Mini

DeepSeek R1

GPT-4.5 Preview

DeepSeek R1

GPT-4.5 Preview

DeepSeek R1

DeepSeek V3 0324

GPT-4.5 Preview

Claude Opus 4

Gemini 2.5 Pro

Qwen3 235B A22b Instruct 2507

Claude Opus 4.1

Gemini 2.5 Pro

GPT-5

Qwen3 235B A22b Instruct 2507

Claude Opus 4.1

Gemini 2.5 Pro

GPT-5

Claude Opus 4.1

Claude Sonnet 4.5

Gemini 2.5 Pro

Gemini 3 Pro

Claude Opus 4.5

Gemini 3 Pro

Claude Opus 4.6

Gemini 3.1 Pro Preview

Claude Opus 4.6

Muse Spark

Claude Opus 4.6

Claude Opus 4.7

Claude Opus 4.6

Claude Opus 4.7

Claude Opus 4.6

Claude Fable 5

Claude Opus 4.6

Claude Opus 4.7

Claude Fable 5

Claude Opus 4.6

Claude Fable 5

Claude Opus 4.6

Claude Opus 5

Claude Fable 5

Claude Opus 4.6

Claude Fable 5

Claude Opus 4.6

Claude Opus 5

Claude Fable 5

Claude Opus 4.6

Claude Opus 4.7

Claude Fable 5

Claude Fable 5.1

Claude Opus 4.6

Claude Opus 4.7

Claude Opus 5.5

Gemini 4 Argon

Coding › Web dev

Claude Opus 4.1

Claude Sonnet 4.5

GLM 4.6

Gemini 3 Pro

Claude Opus 4.5

Gemini 3 Pro

Claude Opus 4.6

GLM 5.1

Claude Opus 4.6

Claude Opus 4.7

Claude Opus 4.8

Claude Fable 5

GPT-5.6 Sol

Kimi K3

Claude Opus 5

Kimi K3

Claude Opus 5

Kimi K3

Claude Fable 5.1

GPT-6 Astra

Claude Opus 5.5

GPT-6 Astra

Claude Opus 5.5

Long context

Claude 3.5 Sonnet

O1 Preview

DeepSeek R1

Gemini 2.0 Flash 001

DeepSeek R1

Claude 3.7 Sonnet

GPT-4.5 Preview

DeepSeek V3 0324

GPT-4.5 Preview

DeepSeek V3 0324

GPT-4.1

GPT-4.5 Preview

DeepSeek V3 0324

GPT-4.1

GPT-4.5 Preview

Gemini 2.5 Pro

Claude Opus 4.1

Gemini 2.5 Pro

GPT-5

Gemini 2.5 Pro

GPT-5

Gemini 2.5 Pro

Claude Sonnet 4.5

Gemini 2.5 Pro

GPT-4.5 Preview

Claude Sonnet 4.5

DeepSeek V3.2 Exp

Gemini 2.5 Pro

Gemini 3 Pro

Claude Opus 4.5

Claude Sonnet 4.5

Gemini 3 Pro

Claude Opus 4.6

Gemini 3.1 Pro Preview

Claude Opus 4.6

Claude Sonnet 4.6

Gemini 3.1 Pro Preview

Claude Opus 4.6

Gemini 3.1 Pro Preview

Claude Opus 4.6

Gemini 3.1 Pro Preview

GLM 5.1

Claude Opus 4.6

Claude Opus 4.7

Gemini 3.1 Pro Preview

Claude Opus 4.6

Claude Opus 4.7

Gemini 3.1 Pro Preview

GPT-5.5

Claude Opus 4.6

Claude Opus 4.7

GPT-5.5

Claude Opus 4.6

Claude Opus 4.7

Claude Opus 4.6

Claude Opus 4.7

Claude Opus 4.8

Claude Fable 5

Claude Opus 4.6

Claude Opus 4.7

Claude Opus 4.8

Claude Fable 5

Claude Opus 4.6

Claude Opus 4.7

Claude Fable 5

Claude Opus 4.6

Claude Opus 4.7

Kimi K3

Claude Fable 5

Claude Opus 4.6

Claude Opus 5

Kimi K3

Claude Fable 5

Claude Opus 4.6

Claude Opus 5

Muse Spark 1.2

Claude Fable 5

Claude Opus 4.6

Claude Opus 4.7

Claude Fable 5

Claude Fable 5.1

Claude Opus 4.6

Claude Opus 4.7

Gemini 3.8 Flash

Claude Opus 5.5

Gemini 4 Argon

Honest about the gaps

Where it is not the crown

Category	This model	Why
General LLM	Not SOTA · #33	Ranked #33 in General LLM.
Reasoning	Was SOTA	Was SOTA in Reasoning from 2025-12-01 to 2026-02-09. Currently ranked #29.
Math	Not SOTA · #14	Ranked #14 in Math.
Science	Not SOTA · #86	Last listed at #86 in Science on 2025-11-24. That board does not award a crown.
Coding	Not SOTA · #9	Last listed at #9 in Coding on 2025-11-24.
Coding › Web dev	Was SOTA	Was SOTA in Coding › Web dev from 2025-12-01 to 2026-02-09. Currently ranked #51.
Long context	Was SOTA	Was SOTA in Long context from 2026-01-29 to 2026-02-09. Currently ranked #18.
Factuality	Not SOTA · #37	Ranked #37 in Factuality.