A.X K2

A.X K2 is a reasoning model from SK Telecom in the A.X family. 14 benchmarks count toward its score, in 6 categories.

availableShows if the model has enough results for an index.
IndexOverall score out of 100.51.6 ±5.8
CoverageShare of the index weight with results.85%
SpeedOutput tokens per second.
Input / 1MUS dollars per 1M input tokens.Free
Output / 1MUS dollars per 1M output tokens.Free
ContextMaximum tokens in one request.262K
EloLMArena rating and rank.N/A

The index is a score out of 100. The ± range shows how much it can change.

CapabilitiesScore per category, out of 100.

Out of 100
AgenticMulti-step tasks with tools.
45.3
CodingCode writing and repair.
51.4
ReasoningLogic problems and puzzles.
55.5
MultimodalTasks with images and text.
N/A
KnowledgeFacts and expert knowledge.
51.7
MultilingualTasks in many languages.
N/A
InstructionTasks with strict rules in the prompt.
54.4
MathMath problems.
55.8

Results

14 counted
BenchmarkThe test name.CategoryThe capability that the test measures.ResultThe score from the publisher.IndexThis result as a score out of 100.RunThe settings of the run.DateDate of the result.Published byThe source of the result.
AIME 2026Math97.1%55.8Qwen
Apex ShortlistMath88.6%DeepSeek-AI
Artificial Analysis GPQA DiamondKnowledge85.7%56.4Artificial Analysis
GPQA DiamondKnowledge85.6%57.3David Rein et al.
LiveCodeBench v6Coding84.0%53.5LiveCodeBench maintainers
Instruction Following BenchmarkInstruction75.9%54.4Benchmark authors
Artificial Analysis Long Context ReasoningReasoning66.0%53.9Artificial Analysis
ApexMath45.8%DeepSeek-AI
Scientific Code BenchmarkCoding41.0%51.0Benchmark authors
Artificial Analysis SciCodeCoding41.0%49.8Artificial Analysis
Terminal-Bench 2.1 (provider run)Agentic36.0%45.3DeepSeek-AI
Terminal-Bench 2.1 (provider run)Agentic36.0%45.3DeepSeek-AI
Artificial Analysis Humanity's Last ExamKnowledge29.6%56.7Artificial Analysis
Humanity's Last ExamKnowledge27.8%52.3Center for AI Safety et al.
Artificial Analysis Intelligence IndexKnowledge22.7%50.8Artificial Analysis
Artificial Analysis Omniscience AccuracyKnowledge18.6%36.9Artificial Analysis
Critical Physics TasksReasoning8.9%57.0Artificial Analysis

14 benchmarks count, from 15 of 17 results. A grey row does not count. Too few models took that benchmark.

Sources

BenchLM benchmark aggregationUsed with attribution; per-benchmark results credited to their original authors

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