# Kimi K2 Thinking Turbo vs o1-mini

> Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.4 to 33.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-thinking-turbo-vs-o1-mini
- Last updated: 2026-10-10
- Shared benchmarks: 19

## Summary

- They share 19 benchmarks with published results for both. Kimi K2 Thinking Turbo scores higher in 8 categories and o1-mini in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Kimi K2 Thinking Turbo leads 31.4 to 8.9.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 83.1% for Kimi K2 Thinking Turbo and 46.9% for o1-mini.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K2 Thinking Turbo | o1-mini |
|---|---|---|
| Provider | Moonshot AI | OpenAI |
| Noometry Index | 45.4 | 33.7 |
| Rank | 63 | 230 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Kimi K2 Thinking Turbo: 38.1 (#166)
- o1-mini: 35.1 (#218)

| Benchmark | Kimi K2 Thinking Turbo | o1-mini |
|---|---|---|
| LMArena Coding | 1454 | 1362 |
| Aider Polyglot | — | 32.9% |
| LMArena WebDev | 1322 | — |
| WeirdML | — | 36.3% |
| LiveBench Coding | — | 48% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |

## Agentic & Tool Use

- Kimi K2 Thinking Turbo: —
- o1-mini: 24.3 (#112)

| Benchmark | Kimi K2 Thinking Turbo | o1-mini |
|---|---|---|
| Cybench | — | 10% |

## Reasoning

- Kimi K2 Thinking Turbo: 31.4 (#72)
- o1-mini: 8.9 (#340)

| Benchmark | Kimi K2 Thinking Turbo | o1-mini |
|---|---|---|
| LMArena Hard Prompts | 1428 | 1333 |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 18.1% |
| ARC-AGI-1 | — | 14% |
| Chess Puzzles | 20% | — |
| LiveBench Reasoning | — | 72.3% |
| LiveBench Data Analysis | — | 57.9% |
| Epoch Capabilities Index | — | 135.82 |
| LiveBench | — | 57.8% |

## Math

- Kimi K2 Thinking Turbo: 45.5 (#62)
- o1-mini: 33.7 (#168)

| Benchmark | Kimi K2 Thinking Turbo | o1-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 83.1% | 46.9% |
| LMArena Math | 1429 | 1358 |
| LiveBench Math | — | 62% |
| MATH Level 5 | — | 89.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Kimi K2 Thinking Turbo: 50.9 (#64)
- o1-mini: 34.8 (#180)

| Benchmark | Kimi K2 Thinking Turbo | o1-mini |
|---|---|---|
| GPQA Diamond | 84.2% | 62.4% |
| LMArena Expert | 1439 | 1316 |
| Confabulations | — | 18.6% |

## Multilingual

- Kimi K2 Thinking Turbo: 51.6 (#104)
- o1-mini: 43.8 (#177)

| Benchmark | Kimi K2 Thinking Turbo | o1-mini |
|---|---|---|
| LMArena Non-English | 1398 | 1289 |
| LMArena Chinese | 1457 | 1314 |
| LMArena French | 1425 | 1292 |
| LMArena German | 1390 | 1278 |
| LMArena Japanese | 1356 | 1245 |
| LMArena Korean | 1329 | 1223 |
| LMArena Russian | 1390 | 1283 |
| LMArena Spanish | 1407 | 1302 |

## Instruction Following

- Kimi K2 Thinking Turbo: 74.2 (#103)
- o1-mini: 67.0 (#200)

| Benchmark | Kimi K2 Thinking Turbo | o1-mini |
|---|---|---|
| LMArena Instruction Following | 1403 | 1304 |
| LiveBench Instruction Following | — | 65.4% |

## Long Context

- Kimi K2 Thinking Turbo: 43.2 (#99)
- o1-mini: 40.1 (#156)

| Benchmark | Kimi K2 Thinking Turbo | o1-mini |
|---|---|---|
| LMArena Longer Query | 1415 | 1321 |

## Writing & Preference

- Kimi K2 Thinking Turbo: 60.2 (#99)
- o1-mini: 48.6 (#196)

| Benchmark | Kimi K2 Thinking Turbo | o1-mini |
|---|---|---|
| LMArena Text | 1415 | 1317 |
| LMArena Creative Writing | 1373 | 1244 |
| LMArena Multi-Turn | 1414 | 1314 |
| Short-Story Creative Writing | — | 64.9% |
| LiveBench Language | — | 40.9% |

## FAQ

### Is Kimi K2 Thinking Turbo better than o1-mini?

Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.4 to 33.7 on the Noometry Index.

### Is Kimi K2 Thinking Turbo or o1-mini better for coding?

Kimi K2 Thinking Turbo scores higher on coding benchmarks: 38.1 versus 35.1 in the Noometry coding category.

### How many benchmarks do Kimi K2 Thinking Turbo and o1-mini share?

19 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and o1-mini has 39.