Compare / Gemini 3 Flash Preview vs Grok 4.3

Gemini 3 Flash Preview vs Grok 4.3

6 results from 4 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Gemini 3 Flash Preview
Google · profile
Grok 4.3
xAI · profile
Results compared
6
Shared sources
4
BenchmarkMetricGemini 3 Flash PreviewGrok 4.3
GDP.pdfreportedProfessional document tasks% of rubric 10.0%8.0%
SimpleQA Verified (Epoch AI)reportedCorrect answers% of questions 66.8%33.2%
UGI LeaderboardreportedRequested-length error% off the requested word count 16.0%21.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.370.34
UGI LeaderboardreportedWriting scorescore out of 100 67.757.7
Vending-Bench 2reportedMoney after a yearUS dollars $3,634.72$35.26

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.