Compare / Gemini 3.1 Pro Preview vs Gemini 3.5 Flash Lite
Gemini 3.1 Pro Preview vs Gemini 3.5 Flash Lite
29 results from 4 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Gemini 3.1 Pro Preview | Gemini 3.5 Flash Lite |
|---|---|---|---|
| BulletBenchmeasured by us | Ladder Eloladder Elo | 683 | 707 |
| BulletBenchmeasured by us | Median move timemilliseconds | 6.2 s | 0.8 s |
| CatalogBenchmeasured by us | Content quality% of checks | 96.6% | 94.7% |
| CatalogBenchmeasured by us | Failed outputs% of products | 0.0% | 0.0% |
| CatalogBenchmeasured by us | Publish-ready listings% of products | 3.6% | 0.6% |
| CatalogBenchmeasured by us | Reliably publish-ready% of products | 0.0% | 0.0% |
| CatalogBenchmeasured by us | Unsupported claimsclaims per product | 7.21 | 8.83 |
| CatalogBenchmeasured by us | Channel compliance% of products | 97.0% | 98.2% |
| CatalogBenchmeasured by us | Conflicts caught% of conflicts | 100.0% | 84.8% |
| CatalogBenchmeasured by us | Content quality% of checks | 96.5% | 95.2% |
| CatalogBenchmeasured by us | Cost per productUS dollars | $0.0355 | $0.0020 |
| CatalogBenchmeasured by us | Decision accuracy% of decisions | 94.8% | 91.2% |
| CatalogBenchmeasured by us | Failed outputs% of products | 0.0% | 0.0% |
| CatalogBenchmeasured by us | Field accuracy% of missing fields | 95.4% | 92.5% |
| CatalogBenchmeasured by us | Invented values% of filled values | 1.5% | 0.8% |
| CatalogBenchmeasured by us | Publish-ready listings% of products | 42.3% | 15.5% |
| CatalogBenchmeasured by us | Reliably publish-ready% of products | 25.0% | 3.6% |
| CatalogBenchmeasured by us | Unsupported claimsclaims per product | 1.64 | 2.44 |
| ROASBenchmeasured by us | Cost of a runUS dollars | $0.52 | $0.0390 |
| ROASBenchmeasured by us | Months over budgetmonths of 12 | 0 | 0 |
| ROASBenchmeasured by us | Overall scorescore out of 100 | 43.5 | 25.4 |
| ROASBenchmeasured by us | Return on ad spendprofit per £1 spent | £0.42 | £0.01 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,472 | 1,448 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,477 | 1,454 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,480 | 1,435 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,509 | 1,467 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,479 | 1,444 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,487 | 1,456 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,480 | 1,442 |
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.