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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.

#30 of 168 on AA Index · current snapshot
48 AA Index · 10 benchmark rows · 1 sourcesPosition is benchmark-specific — not a cross-family or cross-source ranking.
Composite56
Context128K
Input / 1M$3.0
Output / 1M$15
Knowledge cutoffopen
Statussolid

Family profile

Best published score in each covered benchmark family.

70/100 avg
Reasoning
88
Coding
47
Agentic
71
Long context
74

4 tested benchmark 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
τ³-Bench BankingAgentic#30/ 10634Artificial Analysis2026-09-01
Artificial Analysis Intelligence IndexReasoning#38/ 18748Artificial Analysis2026-09-01
Terminal-BenchAgentic#40/ 18471Artificial Analysis2026-09-01
AA-LCRLong context#57/ 17974Artificial Analysis2026-09-01
Humanity's Last ExamReasoning#61/ 18034Artificial Analysis2026-09-01
GPQA DiamondReasoning#67/ 18588Artificial Analysis2026-09-01
SciCodeCoding#68/ 18047Artificial Analysis2026-09-01
IFBenchReasoning#89/ 12757Artificial Analysis2026-09-01
AA time to first tokenPerformance#100/ 186Artificial Analysis2026-09-01
AA output speedPerformance#101/ 187Artificial Analysis2026-09-01
Family context

The three highest-scoring models with pages 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
    Gemini 3.7 Flash
    95
  3. 3
    Grok 4.6
    95
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) · 74
  1. 1
    Muse Spark 1.2
    83
  2. 2
    Kimi K3
    83
  3. 3
    Gemini 3.5 Flash
    81
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 context74%Artificial Analysis5
AA output speedPerformance0 t/sArtificial Analysis5
AA time to first tokenPerformance0.00sArtificial Analysis5
Artificial Analysis Intelligence IndexReasoning48.4%Artificial Analysis5
GPQA DiamondReasoning87.5%Artificial Analysis5
Humanity's Last ExamReasoning33.6%Artificial Analysis5
IFBenchReasoning56.6%Artificial Analysis5
SciCodeCoding46.8%Artificial Analysis5
τ³-Bench BankingAgentic34.43%Artificial Analysis5
Terminal-BenchAgentic71.16%Artificial Analysis5
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 context74
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.

AnthropicOpenAIMistralAlibabaDeepSeekGoogleMoonshotMetaMiniMaxxAIZhipuXiaomiOtherMeituanCohereNVIDIA

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

Reasoning

Coding

Agentic

Long context

Performance

Sources