Compare / Claude Opus 4.6 vs GPT-6.1 Sol

Claude Opus 4.6 vs GPT-6.1 Sol

5 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Claude Opus 4.6
Anthropic · profile
GPT-6.1 Sol
OpenAI · profile
Results compared
5
Shared sources
3
BenchmarkMetricClaude Opus 4.6GPT-6.1 Sol
APEX-AgentsreportedTasks passed% of tasks 46.3%60.0%
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 31.951.8
Artificial AnalysisreportedHumanity's Last Exam% of questions 39.9%52.9%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 78.0%84.0%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 47.0%73.9%

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.