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Models / Anthropic

Claude Opus 4.6

Claude Opus · Released 2026-02-05

Anthropic's February 2026 flagship. First Opus with 1M context (beta), 128K output, multi-agent teams in Claude Code. $5/$25 per 1M tokens.

Frontier Opus model for complex reasoning, multi-step coding, and massive context tasks. Superseded by Opus 4.7 but still available.

#27 of 51 on AA Index · current snapshot
38 AA Index · 16 benchmark rows · 7 sourcesPosition is benchmark-specific — not a cross-family or cross-source ranking.
Composite59
Context1M
Input / 1M$5.0
Output / 1M$25
Knowledge cutoff2025-12-01
Output speed57 t/s
TTFT (default API)1.85s
Statussolid
KnowledgeReasoningCodingAgenticLong context
Knowledge
91
Reasoning
84
Coding
96
Agentic
85
Long context
58

83average across 5 tested families

Benchmark placements

Where Claude Opus 4.6 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
HumanEvalCoding#1/ 1596Anthropic Claude 3.7/4.6 model card2026-01-01
LiveBenchReasoning#1/ 2171LiveBench leaderboard2026-04-15
MMLUKnowledge#2/ 2291Anthropic Claude 3.7/4.6 model card2026-01-01
Vending-Bench 2Agentic#3/ 5Andon Labs Vending-Bench 22026-06-01
SWE-bench VerifiedCoding#6/ 2381SWE-bench official leaderboard2026-05-30
τ³-Bench BankingAgentic#8/ 6485Artificial Analysis2026-07-21
Terminal-BenchAgentic#12/ 6980Terminal-Bench 2.0 leaderboard2026-05-20
ARC-AGIReasoning#13/ 141ARC-AGI-3 paper (arXiv 2603.24621)2026-03-20
AA time to first tokenPerformance#29/ 69Artificial Analysis2026-07-21
Artificial Analysis Intelligence IndexReasoning#38/ 6738Artificial Analysis2026-07-21
SciCodeCoding#40/ 6546Artificial Analysis2026-07-21
GPQA DiamondReasoning#42/ 6984Artificial Analysis2026-07-21
AA-LCRLong context#47/ 6458Artificial Analysis2026-07-21
Humanity's Last ExamReasoning#48/ 6519Artificial Analysis2026-07-21
IFBenchReasoning#50/ 5745Artificial Analysis2026-07-21
AA output speedPerformance#51/ 69Artificial Analysis2026-07-21
Family context

The three highest-scoring carded models in each capability family. Where Claude Opus 4.6 shows up, it's highlighted.

KnowledgeClaude Opus 4.6 · 91
  1. 1
    GPT 5.5
    91
  2. 2
    Claude Opus 4.8
    91
  3. 3
    Claude Sonnet 4.6
    91
ReasoningClaude Opus 4.6 · 84
  1. 1
    Claude Mythos Preview
    95
  2. 2
    GPT-5.6 Sol
    94
  3. 3
    Kimi K3
    94
CodingClaude Opus 4.6 · 96
  1. 1
    GPT 5.5
    96
  2. 2
    Claude Opus 4.8
    96
  3. 3
    Claude Opus 4.6
    96
AgenticClaude Opus 4.6 · 85
  1. 1
    GPT 5.5
    100
  2. 2
    Claude Opus 4.8
    100
  3. 3
    Claude Fable 5
    100
Long contextClaude Opus 4.6 · 58
  1. 1
    Kimi K3
    75
  2. 2
    GPT-5.1
    75
  3. 3
    GPT-5.6 Sol
    74
Newest receipts

Benchmark rows added to the public ledger for Claude Opus 4.6 in the last 120 days. Older rows live in the full table below.

13 recent
BenchmarkFamilyScoreSourceDays ago
AA-LCRLong context58.33%Artificial Analysis2
AA output speedPerformance57 t/sArtificial Analysis2
AA time to first tokenPerformance1.85sArtificial Analysis2
Artificial Analysis Intelligence IndexReasoning37.8%Artificial Analysis2
GPQA DiamondReasoning84%Artificial Analysis2
Humanity's Last ExamReasoning18.6%Artificial Analysis2
IFBenchReasoning44.63%Artificial Analysis2
SciCodeCoding45.7%Artificial Analysis2
τ³-Bench BankingAgentic84.8%Artificial Analysis2
Vending-Bench 2Agentic8017.59Andon Labs Vending-Bench 252
SWE-bench VerifiedCoding80.8%SWE-bench official leaderboard54
Terminal-BenchAgentic79.8%Terminal-Bench 2.0 leaderboard64
LiveBenchReasoning71.4%LiveBench leaderboard99
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.

Knowledge91
Reasoning84
Coding96
Agentic85
Long context58
Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover or tab any dot for name, score, and input price.

AnthropicOpenAIMistralAlibabaDeepSeekGoogleMoonshotMiniMaxxAIMetaZhipuXiaomiMeituanCohere

Full benchmark ledger

Every catalog benchmark for Claude Opus 4.6. Scores link to the original source; gaps mean no public row exists yet.

16 sourced rows

16 of 32 catalog benchmarks have a sourced row for Claude Opus 4.6.

Knowledge

Reasoning

Coding

Agentic

Long context

Performance

Changelog
  1. Released Claude Opus 4.6 — first Opus with 1M context, 128K output, agent teams.
Sources