Compare / Claude Opus 4.5 vs Gemini 3.1 Flash Lite Preview
Claude Opus 4.5 vs Gemini 3.1 Flash Lite Preview
16 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Claude Opus 4.5 | Gemini 3.1 Flash Lite Preview |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,459 | 1,433 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,472 | 1,421 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,469 | 1,413 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,503 | 1,443 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,483 | 1,407 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,474 | 1,433 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,467 | 1,420 |
| Artificial Analysisreported | Artificial Analysis Intelligence Indexindex score | 29.1 | 15.6 |
| Artificial Analysisreported | GPQA Diamond% of questions | 86.6% | 82.2% |
| Artificial Analysisreported | Humanity's Last Exam% of questions | 30.1% | 17.2% |
| Artificial Analysisreported | IFBench% of instructions | 58.0% | 77.2% |
| Artificial Analysisreported | Long-context reasoning (AA-LCR)% of questions | 77.3% | 74.3% |
| Artificial Analysisreported | Terminal-Bench Hard% of tasks | 47.0% | 24.2% |
| Artificial Analysisreported | Τ²-bench telecom% of tasks | 89.5% | 31.3% |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 98.7% | 99.6% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 10.9% | 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.