Compare / Claude Opus 4.5 vs Kimi K2 Thinking

Claude Opus 4.5 vs Kimi K2 Thinking

9 results from 2 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Claude Opus 4.5
Anthropic · profile
Kimi K2 Thinking
Moonshot AI · profile
Results compared
9
Shared sources
2
BenchmarkMetricClaude Opus 4.5Kimi K2 Thinking
OpenHands IndexreportedAverage% resolved 60.6%41.0%
OpenHands IndexreportedFront end (SWE-Bench Multimodal)% resolved 41.2%32.4%
OpenHands IndexreportedGreenfield (Commit0)% resolved 37.5%12.5%
OpenHands IndexreportedInformation gathering (GAIA)% resolved 69.1%43.6%
OpenHands IndexreportedIssue resolution (SWE-Bench)% resolved 76.6%69.2%
OpenHands IndexreportedTesting (SWT-Bench)% resolved 78.5%47.3%
UGI LeaderboardreportedRequested-length error% off the requested word count 3.0%20.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.390.38
UGI LeaderboardreportedWriting scorescore out of 100 70.459.3

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.