GPT-5.6 Sol vs Kimi K3 — Who Actually Wins? Real Benchmark Data (2026)

head to head

GPT-5.6 Sol vs Kimi K3

25 shared benchmarks

9

wins

1

ties

15

wins

39.9%

APEX-Agents

41.0%

29.7%

AutomationBench

30.8%

88.9%

BabyVision

85.7%

90.4%

BrowseComp

90.4%

84.6%

CharXiv

84.8%

72.7%

DeepSWE

67.3%

71.3%

FrontierSWE

81.2%

94.6%

GPQA Diamond

93.5%

44.5%

Humanity's Last Exam

43.5%

46.5%

JobBench

52.9%

95.8%

MATH-Vision

94.3%

83.6%

MCP-Atlas

84.2%

46.2%

MLS Bench

48.3%

83.0%

MMMU Pro

81.6%

63.2%

OfficeQA Pro

63.3%

85.8%

OmniDocBench

91.1%

59.7%

PerceptionBench

58.5%

34.6%

PostTrain Bench

36.6%

77.6%

Program Bench

77.8%

39.0%

SWE Marathon

42.0%

32.4%

SpreadsheetBench 2

34.8%

88.8%

Terminal-Bench 2.1

88.3%

74.9%

Toolathlon-Verified

73.2%

41.8%

WorldVQA

51.0%

17.0%

ZeroBench

23.0%