Compare / Claude Sonnet 4.5 vs Gemini 3.1 Flash Lite Preview

Claude Sonnet 4.5 vs Gemini 3.1 Flash Lite Preview

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

Claude Sonnet 4.5
Anthropic · profile
Gemini 3.1 Flash Lite Preview
Google · profile
Results compared
21
Shared sources
3
BenchmarkMetricClaude Sonnet 4.5Gemini 3.1 Flash Lite Preview
Arena (formerly LMArena)reportedOverallArena rating 1,4491,433
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4611,421
Arena (formerly LMArena)reportedCreative writingArena rating 1,4541,413
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4981,443
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4641,407
Arena (formerly LMArena)reportedOverallArena rating 1,4571,433
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4541,420
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 52.134.7
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 20.715.6
Artificial AnalysisreportedGPQA Diamond% of questions 83.4%82.2%
Artificial AnalysisreportedHumanity's Last Exam% of questions 17.8%17.2%
Artificial AnalysisreportedIFBench% of instructions 57.3%77.2%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 72.3%74.3%
Artificial AnalysisreportedSciCode% of problems 45.7%43.4%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 55.8%31.1%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 0.0%0.5%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 35.6%24.2%
Artificial AnalysisreportedΤ-bench banking% of tasks 24.5%9.7%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 78.1%31.3%
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 95.6%99.6%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 12.0%8.2%

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.