Model comparison
Kimi K2 Thinking Turbo vs Qwen2.5 Plus 1127
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 38.8 on the Noometry Index.
Last verified . 14 shared benchmarks.
Alibaba (Qwen)Summary
- They share 14 benchmarks with published results for both. Kimi K2 Thinking Turbo scores higher in 7 categories and Qwen2.5 Plus 1127 in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Kimi K2 Thinking Turbo leads 50.9 to 35.5.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.
Side by side
| Kimi K2 Thinking Turbo | Qwen2.5 Plus 1127 | |
|---|---|---|
| Provider | Moonshot AI | Alibaba (Qwen) |
| Noometry Index | 45.8 | 38.8 |
| Released | 2025-11-06 | — |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 21 | 14 |
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Category by category
Coding Too close to call
Kimi K2 Thinking Turbo: 38.4 (#178), Qwen2.5 Plus 1127: 38.5 (#175)
| Benchmark | Kimi K2 Thinking Turbo | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Coding | 1454 | 1314 |
| LMArena WebDev | 1322 | — |
Reasoning Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 32.5 (#75), Qwen2.5 Plus 1127: 25.9 (#141)
| Benchmark | Kimi K2 Thinking Turbo | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Hard Prompts | 1428 | 1299 |
| Chess Puzzles | 20% | — |
Math Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 47.4 (#68), Qwen2.5 Plus 1127: 36.1 (#174)
| Benchmark | Kimi K2 Thinking Turbo | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Math | 1429 | 1298 |
| OTIS Mock AIME 2024-2025 | 83.1% | — |
Knowledge Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 50.9 (#69), Qwen2.5 Plus 1127: 35.5 (#183)
| Benchmark | Kimi K2 Thinking Turbo | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Expert | 1439 | 1289 |
| GPQA Diamond | 84.2% | — |
Multilingual Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 51.4 (#109), Qwen2.5 Plus 1127: 41.9 (#201)
| Benchmark | Kimi K2 Thinking Turbo | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Non-English | 1398 | 1265 |
| LMArena Chinese | 1456 | 1314 |
| LMArena German | 1390 | 1231 |
| LMArena Japanese | 1357 | 1207 |
| LMArena Russian | 1391 | 1271 |
| LMArena French | 1425 | — |
| LMArena Korean | 1330 | — |
| LMArena Spanish | 1406 | — |
Instruction Following Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 74.0 (#109), Qwen2.5 Plus 1127: 67.2 (#199)
| Benchmark | Kimi K2 Thinking Turbo | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | 1403 | 1275 |
Long Context Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 43.2 (#102), Qwen2.5 Plus 1127: 39.2 (#184)
| Benchmark | Kimi K2 Thinking Turbo | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Longer Query | 1415 | 1292 |
Writing & Preference Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 60.0 (#104), Qwen2.5 Plus 1127: 49.4 (#192)
| Benchmark | Kimi K2 Thinking Turbo | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | 1415 | 1299 |
| LMArena Creative Writing | 1374 | 1262 |
| LMArena Multi-Turn | 1414 | 1299 |
Frequently asked questions
Is Kimi K2 Thinking Turbo better than Qwen2.5 Plus 1127?
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 38.8 on the Noometry Index.
Is Kimi K2 Thinking Turbo or Qwen2.5 Plus 1127 better for coding?
They score almost the same on coding (38.4 vs 38.5); test both on your own repository before choosing.
How many benchmarks do Kimi K2 Thinking Turbo and Qwen2.5 Plus 1127 share?
14 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and Qwen2.5 Plus 1127 has 14.