Model comparison
Kimi K2 Thinking Turbo vs Nova 2.0 Pro Preview
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 33.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where Kimi K2 Thinking Turbo leads 32.5 to 22.4.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.
Side by side
| Kimi K2 Thinking Turbo | Nova 2.0 Pro Preview | |
|---|---|---|
| Provider | Moonshot AI | Amazon |
| Noometry Index | 45.8 | 33.4 |
| Released | 2025-11-06 | 2025-12-02 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 21 | 3 |
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Category by category
Coding Nova 2.0 Pro Preview leads
Kimi K2 Thinking Turbo: 38.4 (#178), Nova 2.0 Pro Preview: 40.8 (#133)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena WebDev | 1322 | — |
| SciCode | — | 42.7% |
| LMArena Coding | 1454 | — |
Agentic & Tool Use Not comparable
Kimi K2 Thinking Turbo: —, Nova 2.0 Pro Preview: 21.9 (#136)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | — | 2% |
Reasoning Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 32.5 (#75), Nova 2.0 Pro Preview: 22.4 (#194)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | — | 0% |
| Chess Puzzles | 20% | — |
| LMArena Hard Prompts | 1428 | — |
Math Not comparable
Kimi K2 Thinking Turbo: 47.4 (#68), Nova 2.0 Pro Preview: —
| Benchmark | Kimi K2 Thinking Turbo | Nova 2.0 Pro Preview |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 83.1% | — |
| LMArena Math | 1429 | — |
Knowledge Not comparable
Kimi K2 Thinking Turbo: 50.9 (#69), Nova 2.0 Pro Preview: —
| Benchmark | Kimi K2 Thinking Turbo | Nova 2.0 Pro Preview |
|---|---|---|
| GPQA Diamond | 84.2% | — |
| LMArena Expert | 1439 | — |
Multilingual Not comparable
Kimi K2 Thinking Turbo: 51.4 (#109), Nova 2.0 Pro Preview: —
| Benchmark | Kimi K2 Thinking Turbo | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1398 | — |
| LMArena Chinese | 1456 | — |
| LMArena French | 1425 | — |
| LMArena German | 1390 | — |
| LMArena Japanese | 1357 | — |
| LMArena Korean | 1330 | — |
| LMArena Russian | 1391 | — |
| LMArena Spanish | 1406 | — |
Instruction Following Not comparable
Kimi K2 Thinking Turbo: 74.0 (#109), Nova 2.0 Pro Preview: —
| Benchmark | Kimi K2 Thinking Turbo | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1403 | — |
Long Context Not comparable
Kimi K2 Thinking Turbo: 43.2 (#102), Nova 2.0 Pro Preview: —
| Benchmark | Kimi K2 Thinking Turbo | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1415 | — |
Writing & Preference Not comparable
Kimi K2 Thinking Turbo: 60.0 (#104), Nova 2.0 Pro Preview: —
| Benchmark | Kimi K2 Thinking Turbo | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1415 | — |
| LMArena Creative Writing | 1374 | — |
| LMArena Multi-Turn | 1414 | — |
Frequently asked questions
Is Kimi K2 Thinking Turbo better than Nova 2.0 Pro Preview?
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 33.4 on the Noometry Index.
Is Kimi K2 Thinking Turbo or Nova 2.0 Pro Preview better for coding?
Nova 2.0 Pro Preview scores higher on coding benchmarks: 40.8 versus 38.4 in the Noometry coding category.
How many benchmarks do Kimi K2 Thinking Turbo and Nova 2.0 Pro Preview share?
0 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and Nova 2.0 Pro Preview has 3.