Compare / Claude Opus 4.7 vs GPT-5.6 Terra

Claude Opus 4.7 vs GPT-5.6 Terra

25 results from 7 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Claude Opus 4.7
Anthropic · profile
GPT-5.6 Terra
OpenAI · profile
Results compared
25
Shared sources
7
BenchmarkMetricClaude Opus 4.7GPT-5.6 Terra
APEX-AgentsreportedTasks passed% of tasks 49.2%58.2%
Arena (formerly LMArena)reportedOverallArena rating 1,4941,477
Arena (formerly LMArena)reportedOverallArena rating 1,4771,467
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,5081,466
Arena (formerly LMArena)reportedCreative writingArena rating 1,4881,428
Arena (formerly LMArena)reportedExpert promptsArena rating 1,5351,504
Arena (formerly LMArena)reportedInstruction followingArena rating 1,5031,462
Arena (formerly LMArena)reportedOverallArena rating 1,5021,465
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4961,445
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 73.676.7
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 40.742.1
Artificial AnalysisreportedGPQA Diamond% of questions 91.4%92.5%
Artificial AnalysisreportedHumanity's Last Exam% of questions 42.3%42.9%
Artificial AnalysisreportedIFBench% of instructions 58.6%71.2%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 78.7%83.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 83.1%88.0%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 54.5%62.9%
Artificial AnalysisreportedΤ-bench banking% of tasks 34.6%40.2%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 88.6%86.3%
GDP.pdfreportedProfessional document tasks% of rubric 21.0%24.7%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 51.7%43.2%
UGI LeaderboardreportedRequested-length error% off the requested word count 1.0%22.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.410.39
UGI LeaderboardreportedWriting scorescore out of 100 61.460.4
Vending-Bench 2reportedMoney after a yearUS dollars $10,936.76$7,343.21

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.