# Kimi K2 Thinking Turbo vs o1

> Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 40.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-thinking-turbo-vs-o1
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Kimi K2 Thinking Turbo scores higher in 5 categories and o1 in 3 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K2 Thinking Turbo leads 47.4 to 36.1.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 83.1% for Kimi K2 Thinking Turbo and 73.3% for o1.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| Provider | Moonshot AI | OpenAI |
| Noometry Index | 45.8 | 40.9 |
| Rank | 70 | 143 |
| Context | — | 200K |
| Input $/M | — | $15 |
| Output $/M | — | $60 |
| Weights | Open | Proprietary |

## Coding

- Kimi K2 Thinking Turbo: 38.4 (#178)
- o1: 46.1 (#70)

| Benchmark | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| LMArena Coding | 1454 | 1367 |
| Aider Polyglot | — | 61.7% |
| LMArena WebDev | 1322 | — |
| WeirdML | — | 47.6% |
| LiveBench Coding | — | 69.7% |
| CadEval | — | 56% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 80.2% |

## Agentic & Tool Use

- Kimi K2 Thinking Turbo: —
- o1: 24.6 (#117)

| Benchmark | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| Cybench | — | 10% |
| METR Time Horizons | — | 51.1% |

## Reasoning

- Kimi K2 Thinking Turbo: 32.5 (#75)
- o1: 27.9 (#111)

| Benchmark | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| Chess Puzzles | 20% | 15% |
| LMArena Hard Prompts | 1428 | 1371 |
| SimpleBench | — | 41.7% |
| ARC-AGI-1 | — | 30.7% |
| EnigmaEval | — | 5.7% |
| LiveBench Reasoning | — | 91.6% |
| DTBench | — | 74.7% |
| LiveBench Data Analysis | — | 65.5% |
| LMCA | — | 22.3% |
| Epoch Capabilities Index | — | 141.91 |
| LiveBench | — | 75.7% |

## Math

- Kimi K2 Thinking Turbo: 47.4 (#68)
- o1: 36.1 (#175)

| Benchmark | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 83.1% | 73.3% |
| LMArena Math | 1429 | 1388 |
| FrontierMath (Tiers 1-3) | — | 14.7% |
| LiveBench Math | — | 80.3% |
| MATH Level 5 | — | 94.7% |
| FrontierMath (Feb 2025 set) | — | 9.3% |

## Knowledge

- Kimi K2 Thinking Turbo: 50.9 (#69)
- o1: 41.5 (#110)

| Benchmark | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| GPQA Diamond | 84.2% | 76.8% |
| LMArena Expert | 1439 | 1361 |
| Humanity's Last Exam | — | 8% |
| SimpleQA Verified | — | 41.1% |
| Confabulations | — | 11.7% |

## Multimodal

- Kimi K2 Thinking Turbo: —
- o1: 34.2 (#93)

| Benchmark | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| LMArena Vision | — | 1168 |
| GeoBench | — | 80% |
| VPCT | — | 37% |
| SpatialViz-Bench | — | 41.4% |

## Multilingual

- Kimi K2 Thinking Turbo: 51.4 (#109)
- o1: 48.6 (#142)

| Benchmark | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| LMArena Non-English | 1398 | 1358 |
| LMArena Chinese | 1456 | 1394 |
| LMArena French | 1425 | 1344 |
| LMArena German | 1390 | 1337 |
| LMArena Japanese | 1357 | 1346 |
| LMArena Korean | 1330 | 1396 |
| LMArena Russian | 1391 | 1356 |
| LMArena Spanish | 1406 | 1345 |

## Instruction Following

- Kimi K2 Thinking Turbo: 74.0 (#109)
- o1: 74.8 (#86)

| Benchmark | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| LMArena Instruction Following | 1403 | 1367 |
| LiveBench Instruction Following | — | 81.5% |

## Long Context

- Kimi K2 Thinking Turbo: 43.2 (#102)
- o1: 50.3 (#9)

| Benchmark | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| LMArena Longer Query | 1415 | 1378 |
| Fiction.LiveBench | — | 83.3% |

## Writing & Preference

- Kimi K2 Thinking Turbo: 60.0 (#104)
- o1: 55.6 (#144)

| Benchmark | Kimi K2 Thinking Turbo | o1 |
|---|---|---|
| LMArena Text | 1415 | 1366 |
| LMArena Creative Writing | 1374 | 1348 |
| LMArena Multi-Turn | 1414 | 1369 |
| Short-Story Creative Writing | — | 70.2% |
| LiveBench Language | — | 65.4% |

## FAQ

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

Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 40.9 on the Noometry Index.

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

o1 scores higher on coding benchmarks: 46.1 versus 38.4 in the Noometry coding category.

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

20 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and o1 has 52.