Compare / Claude Opus 4.7 vs gemini-3-pro-preview

Claude Opus 4.7 vs gemini-3-pro-preview

6 results from 3 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
gemini-3-pro-preview
Google · profile
Results compared
6
Shared sources
3
BenchmarkMetricClaude Opus 4.7gemini-3-pro-preview
UGI LeaderboardreportedRequested-length error% off the requested word count 1.0%33.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.410.37
UGI LeaderboardreportedWriting scorescore out of 100 61.466.7
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 98.0%99.4%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 12.0%13.6%
Vending-Bench 2reportedMoney after a yearUS dollars $10,936.76$5,478.16

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.