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A.X-K2

A.X · Released 2026-08-12

SK Telecom's A.X-K2 open agentic MoE. Artificial Analysis Intelligence Index 35.0. AA lists $0 / $0 per 1M tokens.

Korean sovereign-model lane on Artificial Analysis. Prefer sourced ledger rows over launch claims.

#98 of 166 on AA Index · current snapshot
35 AA Index · 9 benchmark rows · 1 sourcesPosition is benchmark-specific — not a cross-family or cross-source ranking.
Composite44
ContextUnlisted
Input / 1MFree
Output / 1MFree
Knowledge cutoffunpublished
Statussolid

Family profile

Best published score in each covered benchmark family.

58/100 avg
Reasoning
86
Coding
39
Agentic
39
Long context
66

4 tested benchmark families

Editor's note
Recorded from the 2026-08-15 AA snapshot (index 35.0). SK Telecom is the AA creator. Editorial depth still needs a desk pass.
Benchmark placements

Where A.X-K2 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#67/ 10616Artificial Analysis2026-09-01
Humanity's Last ExamReasoning#76/ 18030Artificial Analysis2026-09-01
AA output speedPerformance#85/ 185Artificial Analysis2026-09-01
AA time to first tokenPerformance#85/ 185Artificial Analysis2026-09-01
GPQA DiamondReasoning#88/ 18586Artificial Analysis2026-09-01
Artificial Analysis Intelligence IndexReasoning#109/ 18435Artificial Analysis2026-09-01
AA-LCRLong context#118/ 17966Artificial Analysis2026-09-01
Terminal-BenchAgentic#118/ 18439Artificial Analysis2026-09-01
SciCodeCoding#138/ 18039Artificial Analysis2026-09-01
Family context

The three highest-scoring models with pages in each capability family. Where A.X-K2 shows up, it's highlighted.

ReasoningA.X-K2 · 86
  1. 1
    Claude Mythos Preview
    95
  2. 2
    Gemini 3.7 Flash
    95
  3. 3
    Grok 4.6
    95
CodingA.X-K2 · 39
  1. 1
    GPT 5.5
    96
  2. 2
    Claude Opus 4.8
    96
  3. 3
    Claude Opus 4.6
    96
AgenticA.X-K2 · 39
  1. 1
    GPT 5.5
    100
  2. 2
    Claude Opus 4.8
    100
  3. 3
    Claude Fable 5
    100
Long contextA.X-K2 · 66
  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 A.X-K2 in the last 120 days. Older rows live in the full table below.

9 recent
BenchmarkFamilyScoreSourceDays ago
AA-LCRLong context66%Artificial Analysis2
AA output speedPerformance0 t/sArtificial Analysis2
AA time to first tokenPerformance0.00sArtificial Analysis2
Artificial Analysis Intelligence IndexReasoning35%Artificial Analysis2
GPQA DiamondReasoning85.7%Artificial Analysis2
Humanity's Last ExamReasoning29.6%Artificial Analysis2
SciCodeCoding38.5%Artificial Analysis2
τ³-Bench BankingAgentic16.08%Artificial Analysis2
Terminal-BenchAgentic38.95%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.

Reasoning86
Coding39
Agentic39
Long context66
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.

AnthropicOpenAIMistralAlibabaDeepSeekGoogleMoonshotMetaMiniMaxxAIZhipuXiaomiOtherMeituanCohereNVIDIA

Full benchmark ledger

Every catalog benchmark for A.X-K2. Scores link to the original source; gaps mean no public row exists yet.

9 sourced rows

9 of 37 catalog benchmarks have a sourced row for A.X-K2.

Reasoning

Coding

Agentic

Long context

Performance

Changelog
  1. A.X-K2 appears on Artificial Analysis (index 35.0, $0 / $0).
Sources