Compare / Claude Haiku 4.5 vs gemini-3-pro-preview

Claude Haiku 4.5 vs gemini-3-pro-preview

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

Claude Haiku 4.5
Anthropic · profile
gemini-3-pro-preview
Google · profile
Results compared
13
Shared sources
3
BenchmarkMetricClaude Haiku 4.5gemini-3-pro-preview
Berkeley Function Calling Leaderboard (BFCL) V4reportedIrrelevance detection% correct 95.3%85.6%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMemory% correct 54.4%61.7%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMulti-turn tasks% correct 53.6%63.1%
Berkeley Function Calling Leaderboard (BFCL) V4reportedOverall accuracy% correct 68.7%72.5%
Berkeley Function Calling Leaderboard (BFCL) V4reportedRelevance detection% correct 62.5%75.0%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (curated)% correct 86.5%90.7%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (user-contributed)% correct 78.7%83.1%
Berkeley Function Calling Leaderboard (BFCL) V4reportedWeb search% correct 83.5%80.0%
UGI LeaderboardreportedRequested-length error% off the requested word count 6.0%33.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.390.37
UGI LeaderboardreportedWriting scorescore out of 100 52.266.7
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 99.5%99.4%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 9.8%13.6%

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.