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Models / Anthropic

Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

Claude Sonnet · Released 2026-02-17

AA Intelligence Index 47.2. Listed on Artificial Analysis with API pricing $3/$15 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.

#11 of 51 on AA Index · current snapshot
47 AA Index · 10 benchmark rows · 1 sourcesPosition is benchmark-specific — not a cross-family or cross-source ranking.
Composite55
Context128K
Input / 1M$3.0
Output / 1M$15
Knowledge cutoffopen
Output speed72 t/s
TTFT (default API)57.98s
Statussolid
ReasoningCodingAgenticLong context
Reasoning
88
Coding
47
Agentic
71
Long context
71

69average across 4 tested families

Benchmark placements

Where Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) 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
AA time to first tokenPerformance#8/ 69Artificial Analysis2026-07-21
Artificial Analysis Intelligence IndexReasoning#17/ 6747Artificial Analysis2026-07-21
AA-LCRLong context#18/ 6471Artificial Analysis2026-07-21
Terminal-BenchAgentic#20/ 6971Artificial Analysis2026-07-21
τ³-Bench BankingAgentic#25/ 6431Artificial Analysis2026-07-21
GPQA DiamondReasoning#33/ 6988Artificial Analysis2026-07-21
Humanity's Last ExamReasoning#36/ 6530Artificial Analysis2026-07-21
AA output speedPerformance#39/ 69Artificial Analysis2026-07-21
SciCodeCoding#39/ 6547Artificial Analysis2026-07-21
IFBenchReasoning#44/ 5757Artificial Analysis2026-07-21
Family context

The three highest-scoring carded models in each capability family. Where Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) shows up, it's highlighted.

ReasoningClaude Sonnet 4.6 (Adaptive Reasoning, Max Effort) · 88
  1. 1
    Claude Mythos Preview
    95
  2. 2
    GPT-5.6 Sol
    94
  3. 3
    Kimi K3
    94
CodingClaude Sonnet 4.6 (Adaptive Reasoning, Max Effort) · 47
  1. 1
    GPT 5.5
    96
  2. 2
    Claude Opus 4.8
    96
  3. 3
    Claude Opus 4.6
    96
AgenticClaude Sonnet 4.6 (Adaptive Reasoning, Max Effort) · 71
  1. 1
    GPT 5.5
    100
  2. 2
    Claude Opus 4.8
    100
  3. 3
    Claude Fable 5
    100
Long contextClaude Sonnet 4.6 (Adaptive Reasoning, Max Effort) · 71
  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 Sonnet 4.6 (Adaptive Reasoning, Max Effort) in the last 120 days. Older rows live in the full table below.

10 recent
BenchmarkFamilyScoreSourceDays ago
AA-LCRLong context70.67%Artificial Analysis2
AA output speedPerformance72 t/sArtificial Analysis2
AA time to first tokenPerformance57.98sArtificial Analysis2
Artificial Analysis Intelligence IndexReasoning47.2%Artificial Analysis2
GPQA DiamondReasoning87.5%Artificial Analysis2
Humanity's Last ExamReasoning30%Artificial Analysis2
IFBenchReasoning56.6%Artificial Analysis2
SciCodeCoding46.8%Artificial Analysis2
τ³-Bench BankingAgentic30.52%Artificial Analysis2
Terminal-BenchAgentic71.16%Artificial Analysis2
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.

Reasoning88
Coding47
Agentic71
Long context71
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 Sonnet 4.6 (Adaptive Reasoning, Max Effort). Scores link to the original source; gaps mean no public row exists yet.

10 sourced rows

10 of 32 catalog benchmarks have a sourced row for Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort).

Reasoning

Coding

Agentic

Long context

Performance

Sources