Compare / Nova 2 Lite vs Claude Opus 4.5
Nova 2 Lite vs Claude Opus 4.5
20 results from 4 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Nova 2 Lite | Claude Opus 4.5 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,380 | 1,459 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,351 | 1,472 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,269 | 1,469 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,354 | 1,503 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,327 | 1,483 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,335 | 1,474 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,298 | 1,467 |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Irrelevance detection% correct | 82.1% | 90.8% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Memory% correct | 2.4% | 73.8% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Multi-turn tasks% correct | 2.1% | 68.4% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Overall accuracy% correct | 27.1% | 77.5% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Relevance detection% correct | 75.0% | 68.8% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Single-turn calls (curated)% correct | 87.0% | 89.7% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Single-turn calls (user-contributed)% correct | 80.8% | 79.8% |
| Berkeley Function Calling Leaderboard (BFCL) V4reported | Web search% correct | 5.0% | 84.5% |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 45.0% | 3.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.35 | 0.39 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 23.5 | 70.4 |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 99.6% | 98.7% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 5.1% | 10.9% |
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.