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Models / Anthropic

Claude 4.1 Opus (Reasoning)

Claude 4.1 · Released 2025-08-05

AA Intelligence Index 33.7. Listed on Artificial Analysis with API pricing $15/$75 per 1M tokens. Benchmark rows sync from the AA snapshot — see the ledger on this page.

Frontier model tracked on Artificial Analysis. Use the benchmark ledger below for sourced scores; we do not infer numbers beyond published rows.

#102 of 184 on AA Index · current snapshot
23 AA Index · 11 benchmark rows · 1 sourcesPosition is benchmark-specific — not a cross-family or cross-source ranking.
Composite55
ContextUnlisted
Input / 1M$15
Output / 1M$75
Knowledge cutoffunpublished
Statussolid

Family profile

Best published score in each covered benchmark family.

71/100 avg
Knowledge
88
Reasoning
81
Math
80
Coding
65
Agentic
34
Long context
76

6 tested benchmark families

Benchmark placements

Where Claude 4.1 Opus (Reasoning) places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.

BenchmarkFamilyRankScoreSourceDate
MMLU-ProKnowledge#7/ 3988Artificial Analysis2026-09-10
LiveCodeBenchCoding#25/ 3165Artificial Analysis2026-09-10
AIMEMath#29/ 3780Artificial Analysis2026-09-10
AA-LCRLong context#73/ 18276Artificial Analysis2026-09-10
AA output speedPerformance#90/ 190Artificial Analysis2026-09-10
AA time to first tokenPerformance#90/ 190Artificial Analysis2026-09-10
IFBenchReasoning#90/ 12755Artificial Analysis2026-09-10
Artificial Analysis Intelligence IndexReasoning#110/ 18823Artificial Analysis2026-09-10
GPQA DiamondReasoning#139/ 19081Artificial Analysis2026-09-10
Terminal-BenchAgentic#142/ 18934Artificial Analysis2026-09-10
Humanity's Last ExamReasoning#151/ 18513Artificial Analysis2026-09-10
Family context

The three highest-scoring models with pages in each capability family. Where Claude 4.1 Opus (Reasoning) shows up, it's highlighted.

KnowledgeClaude 4.1 Opus (Reasoning) · 88
  1. 1
    GPT 5.5
    91
  2. 2
    Claude Opus 4.8
    91
  3. 3
    Claude Sonnet 4.6
    91
ReasoningClaude 4.1 Opus (Reasoning) · 81
  1. 1
    GPT-6 Astra
    96
  2. 2
    Claude Mythos Preview
    95
  3. 3
    Gemini 3.7 Flash
    95
MathClaude 4.1 Opus (Reasoning) · 80
  1. 1
    OpenAI o3
    99
  2. 2
    GPT-5 (medium)
    99
  3. 3
    Grok 4
    99
CodingClaude 4.1 Opus (Reasoning) · 65
  1. 1
    GPT 5.5
    96
  2. 2
    Claude Opus 4.8
    96
  3. 3
    Claude Opus 4.6
    96
AgenticClaude 4.1 Opus (Reasoning) · 34
  1. 1
    GPT 5.5
    100
  2. 2
    Claude Opus 4.8
    100
  3. 3
    Claude Fable 5
    100
Long contextClaude 4.1 Opus (Reasoning) · 76
  1. 1
    Kimi K3
    89
  2. 2
    Claude Fable 5.1
    85
  3. 3
    GPT-5.5 (high)
    84
Newest receipts

Benchmark rows added to the public ledger for Claude 4.1 Opus (Reasoning) in the last 120 days. Older rows live in the full table below.

11 recent
BenchmarkFamilyScoreSourceDays ago
AA-LCRLong context76%Artificial Analysis6
AA output speedPerformance0 t/sArtificial Analysis6
AA time to first tokenPerformance0.00sArtificial Analysis6
AIMEMath80.33%Artificial Analysis6
Artificial Analysis Intelligence IndexReasoning22.8%Artificial Analysis6
GPQA DiamondReasoning80.9%Artificial Analysis6
Humanity's Last ExamReasoning12.5%Artificial Analysis6
IFBenchReasoning55.44%Artificial Analysis6
LiveCodeBenchCoding65.4%Artificial Analysis6
MMLU-ProKnowledge88%Artificial Analysis6
Terminal-BenchAgentic34.34%Artificial Analysis6
Family coverage

A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.

Knowledge88
Reasoning81
Math80
Coding65
Agentic34
Long context76
Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover any dot for name, score, and input price. Keyboard: tab through the top twelve, or use the ranking below.

AnthropicOpenAIMistralAlibabaDeepSeekGoogleMoonshotMetaxAIMiniMaxZhipuXiaomiOtherMeituanCohereNVIDIA

Full benchmark ledger

Every catalog benchmark for Claude 4.1 Opus (Reasoning). Scores link to the original source; gaps mean no public row exists yet.

11 sourced rows

11 of 37 catalog benchmarks have a sourced row for Claude 4.1 Opus (Reasoning).

Knowledge

Reasoning

Math

Coding

Agentic

Long context

Performance

Sources

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