Model comparison
Kimi K2 Thinking Turbo vs Nova 2 Lite
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 39.7 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Kimi K2 Thinking Turbo scores higher in 7 categories and Nova 2 Lite in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K2 Thinking Turbo leads 47.4 to 37.5.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.
Side by side
| Kimi K2 Thinking Turbo | Nova 2 Lite | |
|---|---|---|
| Provider | Moonshot AI | Amazon |
| Noometry Index | 45.8 | 39.7 |
| Released | 2025-11-06 | 2025-12-01 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 64K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 21 | 19 |
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Category by category
Coding Nova 2 Lite leads
Kimi K2 Thinking Turbo: 38.4 (#178), Nova 2 Lite: 40.7 (#134)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2 Lite |
|---|---|---|
| LMArena Coding | 1454 | 1385 |
| LMArena WebDev | 1322 | — |
Agentic & Tool Use Not comparable
Kimi K2 Thinking Turbo: —, Nova 2 Lite: 24.1 (#121)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2 Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.1% |
Reasoning Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 32.5 (#75), Nova 2 Lite: 27.5 (#118)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2 Lite |
|---|---|---|
| LMArena Hard Prompts | 1428 | 1364 |
| Chess Puzzles | 20% | — |
Math Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 47.4 (#68), Nova 2 Lite: 37.5 (#156)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2 Lite |
|---|---|---|
| LMArena Math | 1429 | 1359 |
| OTIS Mock AIME 2024-2025 | 83.1% | — |
Knowledge Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 50.9 (#69), Nova 2 Lite: 43.0 (#94)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2 Lite |
|---|---|---|
| LMArena Expert | 1439 | 1358 |
| GPQA Diamond | 84.2% | — |
| Vectara Hallucination Rate | — | 5.1% |
Multilingual Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 51.4 (#109), Nova 2 Lite: 47.1 (#153)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2 Lite |
|---|---|---|
| LMArena Non-English | 1398 | 1337 |
| LMArena Chinese | 1456 | 1364 |
| LMArena French | 1425 | 1381 |
| LMArena German | 1390 | 1343 |
| LMArena Japanese | 1357 | 1271 |
| LMArena Korean | 1330 | 1284 |
| LMArena Russian | 1391 | 1343 |
| LMArena Spanish | 1406 | 1373 |
Instruction Following Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 74.0 (#109), Nova 2 Lite: 70.5 (#161)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2 Lite |
|---|---|---|
| LMArena Instruction Following | 1403 | 1335 |
Long Context Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 43.2 (#102), Nova 2 Lite: 40.6 (#150)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2 Lite |
|---|---|---|
| LMArena Longer Query | 1415 | 1335 |
Writing & Preference Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 60.0 (#104), Nova 2 Lite: 53.9 (#154)
| Benchmark | Kimi K2 Thinking Turbo | Nova 2 Lite |
|---|---|---|
| LMArena Text | 1415 | 1362 |
| LMArena Creative Writing | 1374 | 1291 |
| LMArena Multi-Turn | 1414 | 1338 |
Frequently asked questions
Is Kimi K2 Thinking Turbo better than Nova 2 Lite?
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 39.7 on the Noometry Index.
Is Kimi K2 Thinking Turbo or Nova 2 Lite better for coding?
Nova 2 Lite scores higher on coding benchmarks: 40.7 versus 38.4 in the Noometry coding category.
How many benchmarks do Kimi K2 Thinking Turbo and Nova 2 Lite share?
17 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and Nova 2 Lite has 19.