Compare / Gemini 2.5 Flash Lite vs o4 Mini

Gemini 2.5 Flash Lite vs o4 Mini

10 results from 2 sources that measured both models. Each row is in the source's own units; there is no overall winner.

Gemini 2.5 Flash Lite
Google · profile
o4 Mini
OpenAI · profile
Results compared
10
Shared sources
2
BenchmarkMetricGemini 2.5 Flash Liteo4 Mini
Berkeley Function Calling Leaderboard (BFCL) V4reportedIrrelevance detection% correct 93.3%87.2%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMemory% correct 20.6%35.3%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMulti-turn tasks% correct 13.5%41.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedOverall accuracy% correct 36.9%53.2%
Berkeley Function Calling Leaderboard (BFCL) V4reportedRelevance detection% correct 50.0%81.2%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (curated)% correct 86.6%81.3%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (user-contributed)% correct 65.8%70.8%
Berkeley Function Calling Leaderboard (BFCL) V4reportedWeb search% correct 21.0%75.5%
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 99.5%98.7%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 3.3%18.6%

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.