Compare / Kimi K2.5 vs GPT-5.4
Kimi K2.5 vs GPT-5.4
31 results from 7 sources that measured both models. Each row is in the source's own units; there is no overall winner.
| Benchmark | Metric | Kimi K2.5 | GPT-5.4 |
|---|---|---|---|
| Arena (formerly LMArena)reported | OverallArena rating | 1,436 | 1,470 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,445 | 1,485 |
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,441 | 1,482 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,423 | 1,443 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,483 | 1,515 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,439 | 1,471 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,450 | 1,475 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,428 | 1,465 |
| Artificial Analysisreported | Artificial Analysis Coding Indexindex score | 46.8 | 71.1 |
| Artificial Analysisreported | Artificial Analysis Intelligence Indexindex score | 23.5 | 39.0 |
| Artificial Analysisreported | GPQA Diamond% of questions | 87.9% | 92.0% |
| Artificial Analysisreported | Humanity's Last Exam% of questions | 30.7% | 43.7% |
| Artificial Analysisreported | IFBench% of instructions | 70.2% | 73.9% |
| Artificial Analysisreported | Long-context reasoning (AA-LCR)% of questions | 78.0% | 82.0% |
| Artificial Analysisreported | Terminal-Bench 2.1% of tasks | 45.7% | 78.3% |
| Artificial Analysisreported | Terminal-Bench Hard% of tasks | 34.8% | 57.6% |
| Artificial Analysisreported | Τ-bench banking% of tasks | 14.2% | 39.6% |
| Artificial Analysisreported | Τ²-bench telecom% of tasks | 95.9% | 87.1% |
| OpenHands Indexreported | Average% resolved | 49.2% | 64.3% |
| OpenHands Indexreported | Front end (SWE-Bench Multimodal)% resolved | 32.8% | 36.8% |
| OpenHands Indexreported | Greenfield (Commit0)% resolved | 18.8% | 56.2% |
| OpenHands Indexreported | Information gathering (GAIA)% resolved | 63.6% | 82.4% |
| OpenHands Indexreported | Issue resolution (SWE-Bench)% resolved | 68.8% | 75.6% |
| OpenHands Indexreported | Testing (SWT-Bench)% resolved | 61.9% | 70.4% |
| SimpleQA Verified (Epoch AI)reported | Correct answers% of questions | 34.3% | 45.1% |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 10.0% | 30.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.34 | 0.40 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 62.4 | 68.8 |
| Vectara Hallucination Leaderboardreported | Answer rate% of documents | 92.2% | 99.9% |
| Vectara Hallucination Leaderboardreported | Hallucination rate% of summaries | 14.2% | 7.0% |
| Vending-Bench 2reported | Money after a yearUS dollars | $1,198.46 | $6,144.18 |
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.