Model comparison
Kimi K2 Thinking Turbo vs Qwen3.5 397B-A17B
Kimi K2 Thinking Turbo and Qwen3.5 397B-A17B score almost the same on the Noometry Index (45.8 vs 46.0), so choose on price, context window or the category you care about most.
Last verified . 21 shared benchmarks.
Alibaba (Qwen)Summary
- They share 21 benchmarks with published results for both. Kimi K2 Thinking Turbo scores higher in 1 category and Qwen3.5 397B-A17B in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in coding, where Qwen3.5 397B-A17B leads 42.0 to 38.4.
- The biggest single-benchmark swing is Chess Puzzles: 20% for Kimi K2 Thinking Turbo and 13% for Qwen3.5 397B-A17B.
Side by side
| Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B | |
|---|---|---|
| Provider | Moonshot AI | Alibaba (Qwen) |
| Noometry Index | 45.8 | 46.0 |
| Released | 2025-11-06 | 2026-02-01 |
| Weights | Open | Open |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.60 |
| Output $ / M tokens | — | $3.60 |
| Results tracked | 21 | 36 |
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Category by category
Coding Qwen3.5 397B-A17B leads
Kimi K2 Thinking Turbo: 38.4 (#178), Qwen3.5 397B-A17B: 42.0 (#114)
| Benchmark | Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena WebDev | 1322 | 1400 |
| LMArena Coding | 1454 | 1465 |
Agentic & Tool Use Not comparable
Kimi K2 Thinking Turbo: —, Qwen3.5 397B-A17B: 33.3 (#53)
| Benchmark | Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B |
|---|---|---|
| APEX-Agents | — | 24.9% |
| τ²-bench Airline | — | 81.5% |
| τ²-bench Banking | — | 9.8% |
| τ²-bench Retail | — | 84.4% |
| τ²-bench Telecom | — | 97.8% |
Reasoning Qwen3.5 397B-A17B leads
Kimi K2 Thinking Turbo: 32.5 (#75), Qwen3.5 397B-A17B: 34.5 (#70)
| Benchmark | Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B |
|---|---|---|
| Chess Puzzles | 20% | 13% |
| LMArena Hard Prompts | 1428 | 1448 |
| Kagi LLM Benchmark | — | 73.7% |
| NYT Connections (extended) | — | 58.9% |
| Thematic Generalization | — | 65.1% |
| Mystery Game Puzzles | — | 18% |
| DTBench | — | 87.5% |
| LMCA | — | 37.9% |
| Epoch Capabilities Index | — | 146.65 |
Math Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 47.4 (#68), Qwen3.5 397B-A17B: 46.1 (#73)
| Benchmark | Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 83.1% | 88.9% |
| LMArena Math | 1429 | 1454 |
| FrontierMath (Tiers 1-3) | — | 31.2% |
Knowledge Qwen3.5 397B-A17B leads
Kimi K2 Thinking Turbo: 50.9 (#69), Qwen3.5 397B-A17B: 53.3 (#58)
| Benchmark | Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B |
|---|---|---|
| GPQA Diamond | 84.2% | 86.4% |
| LMArena Expert | 1439 | 1462 |
Multimodal Not comparable
Kimi K2 Thinking Turbo: —, Qwen3.5 397B-A17B: 40.7 (#44)
| Benchmark | Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Vision | — | 1263 |
Multilingual Qwen3.5 397B-A17B leads
Kimi K2 Thinking Turbo: 51.4 (#109), Qwen3.5 397B-A17B: 53.7 (#59)
| Benchmark | Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Non-English | 1398 | 1430 |
| LMArena Chinese | 1456 | 1500 |
| LMArena French | 1425 | 1461 |
| LMArena German | 1390 | 1447 |
| LMArena Japanese | 1357 | 1426 |
| LMArena Korean | 1330 | 1384 |
| LMArena Russian | 1391 | 1429 |
| LMArena Spanish | 1406 | 1441 |
Instruction Following Qwen3.5 397B-A17B leads
Kimi K2 Thinking Turbo: 74.0 (#109), Qwen3.5 397B-A17B: 75.0 (#77)
| Benchmark | Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Instruction Following | 1403 | 1424 |
Long Context Too close to call
Kimi K2 Thinking Turbo: 43.2 (#102), Qwen3.5 397B-A17B: 44.1 (#74)
| Benchmark | Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Longer Query | 1415 | 1442 |
Writing & Preference Qwen3.5 397B-A17B leads
Kimi K2 Thinking Turbo: 60.0 (#104), Qwen3.5 397B-A17B: 62.3 (#79)
| Benchmark | Kimi K2 Thinking Turbo | Qwen3.5 397B-A17B |
|---|---|---|
| LMArena Text | 1415 | 1438 |
| LMArena Creative Writing | 1374 | 1401 |
| LMArena Multi-Turn | 1414 | 1446 |
| EQ-Bench Creative Writing | — | 1478 |
Frequently asked questions
Is Kimi K2 Thinking Turbo better than Qwen3.5 397B-A17B?
Kimi K2 Thinking Turbo and Qwen3.5 397B-A17B score almost the same on the Noometry Index (45.8 vs 46.0), so choose on price, context window or the category you care about most.
Is Kimi K2 Thinking Turbo or Qwen3.5 397B-A17B better for coding?
Qwen3.5 397B-A17B scores higher on coding benchmarks: 42.0 versus 38.4 in the Noometry coding category.
How many benchmarks do Kimi K2 Thinking Turbo and Qwen3.5 397B-A17B share?
21 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and Qwen3.5 397B-A17B has 36.