Compare / GPT-5.2 vs GLM 4.6

GPT-5.2 vs GLM 4.6

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

GPT-5.2
OpenAI · profile
GLM 4.6
Z.ai · profile
Results compared
20
Shared sources
4
BenchmarkMetricGPT-5.2GLM 4.6
Arena (formerly LMArena)reportedOverallArena rating 1,4421,447
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4441,412
Arena (formerly LMArena)reportedCreative writingArena rating 1,3911,400
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4751,439
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4271,412
Arena (formerly LMArena)reportedOverallArena rating 1,4371,424
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,4111,405
Berkeley Function Calling Leaderboard (BFCL) V4reportedIrrelevance detection% correct 87.3%85.0%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMemory% correct 45.8%55.7%
Berkeley Function Calling Leaderboard (BFCL) V4reportedMulti-turn tasks% correct 43.8%68.0%
Berkeley Function Calling Leaderboard (BFCL) V4reportedOverall accuracy% correct 55.9%72.4%
Berkeley Function Calling Leaderboard (BFCL) V4reportedRelevance detection% correct 75.0%75.0%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (curated)% correct 81.8%87.6%
Berkeley Function Calling Leaderboard (BFCL) V4reportedSingle-turn calls (user-contributed)% correct 70.4%80.9%
Berkeley Function Calling Leaderboard (BFCL) V4reportedWeb search% correct 75.5%77.5%
UGI LeaderboardreportedRequested-length error% off the requested word count 76.0%13.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.400.38
UGI LeaderboardreportedWriting scorescore out of 100 49.453.3
Vectara Hallucination LeaderboardreportedAnswer rate% of documents 100.0%94.5%
Vectara Hallucination LeaderboardreportedHallucination rate% of summaries 8.4%9.5%

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.