Compare / Kimi K3 vs gpt-oss-120b
Kimi K3 vs gpt-oss-120b
18 results from 4 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Kimi K3 | gpt-oss-120b |
|---|---|---|---|
| APEX-Agentsreported | Tasks passed% of tasks | 50.6% | 4.4% |
| Arena (formerly LMArena)reported | OverallArena rating | 1,472 | 1,385 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,489 | 1,351 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,458 | 1,277 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,533 | 1,357 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,486 | 1,323 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,488 | 1,352 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,475 | 1,309 |
| Artificial Analysisreported | Artificial Analysis Coding Indexindex score | 76.2 | 30.4 |
| Artificial Analysisreported | Artificial Analysis Intelligence Indexindex score | 43.6 | 11.6 |
| Artificial Analysisreported | GPQA Diamond% of questions | 93.5% | 78.2% |
| Artificial Analysisreported | Humanity's Last Exam% of questions | 46.9% | 19.6% |
| Artificial Analysisreported | Long-context reasoning (AA-LCR)% of questions | 88.7% | 52.0% |
| Artificial Analysisreported | SciCode% of problems | 59.5% | 34.0% |
| Artificial Analysisreported | Terminal-Bench 2.1% of tasks | 85.0% | 26.2% |
| Artificial Analysisreported | Terminal-Bench 4.0% of tasks | 12.6% | 0.0% |
| Artificial Analysisreported | Τ-bench banking% of tasks | 46.0% | 12.8% |
| Vending-Bench 2reported | Money after a yearUS dollars | $5,165.03 | $-21.53 |
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.