Compare / gemini-3-pro-preview vs GPT-5.2
gemini-3-pro-preview vs GPT-5.2
13 results from 3 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | gemini-3-pro-preview | GPT-5.2 |
|---|---|---|---|
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Irrelevance detection% correct | 85.6% | 87.3% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Memory% correct | 61.7% | 45.8% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Multi-turn tasks% correct | 63.1% | 43.8% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Overall accuracy% correct | 72.5% | 55.9% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Relevance detection% correct | 75.0% | 75.0% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Single-turn calls (curated)% correct | 90.7% | 81.8% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Single-turn calls (user-contributed)% correct | 83.1% | 70.4% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Web search% correct | 80.0% | 75.5% |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 33.0% | 76.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.37 | 0.40 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 66.7 | 49.4 |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 99.4% | 100.0% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 13.6% | 8.4% |
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.