# Kimi K2 Thinking Turbo vs o3-pro

> Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.4 to 42.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-thinking-turbo-vs-o3-pro
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in long context, where o3-pro leads 72.1 to 43.2.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K2 Thinking Turbo | o3-pro |
|---|---|---|
| Provider | Moonshot AI | OpenAI |
| Noometry Index | 45.4 | 42.7 |
| Rank | 63 | 94 |
| Context | — | 200K |
| Input $/M | — | $20 |
| Output $/M | — | $80 |
| Weights | Open | Proprietary |

## Coding

- Kimi K2 Thinking Turbo: 38.1 (#166)
- o3-pro: 55.1 (#22)

| Benchmark | Kimi K2 Thinking Turbo | o3-pro |
|---|---|---|
| Aider Polyglot | — | 84.9% |
| LMArena WebDev | 1322 | — |
| WeirdML | — | 58.2% |
| LMArena Coding | 1454 | — |

## Reasoning

- Kimi K2 Thinking Turbo: 31.4 (#72)
- o3-pro: 24.1 (#152)

| Benchmark | Kimi K2 Thinking Turbo | o3-pro |
|---|---|---|
| ARC-AGI-2 | — | 4.9% |
| Kagi LLM Benchmark | — | 72.1% |
| ARC-AGI-1 | — | 59.3% |
| Chess Puzzles | 20% | — |
| LMArena Hard Prompts | 1428 | — |
| DTBench | — | 86.9% |
| LMCA | — | 38.5% |
| Epoch Capabilities Index | — | 147.43 |

## Math

- Kimi K2 Thinking Turbo: 45.5 (#62)
- o3-pro: —

| Benchmark | Kimi K2 Thinking Turbo | o3-pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 83.1% | — |
| LMArena Math | 1429 | — |

## Knowledge

- Kimi K2 Thinking Turbo: 50.9 (#64)
- o3-pro: 29.0 (#234)

| Benchmark | Kimi K2 Thinking Turbo | o3-pro |
|---|---|---|
| GPQA Diamond | 84.2% | — |
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 23.3% |
| LMArena Expert | 1439 | — |

## Multilingual

- Kimi K2 Thinking Turbo: 51.6 (#104)
- o3-pro: —

| Benchmark | Kimi K2 Thinking Turbo | o3-pro |
|---|---|---|
| LMArena Non-English | 1398 | — |
| LMArena Chinese | 1457 | — |
| LMArena French | 1425 | — |
| LMArena German | 1390 | — |
| LMArena Japanese | 1356 | — |
| LMArena Korean | 1329 | — |
| LMArena Russian | 1390 | — |
| LMArena Spanish | 1407 | — |

## Instruction Following

- Kimi K2 Thinking Turbo: 74.2 (#103)
- o3-pro: —

| Benchmark | Kimi K2 Thinking Turbo | o3-pro |
|---|---|---|
| LMArena Instruction Following | 1403 | — |

## Long Context

- Kimi K2 Thinking Turbo: 43.2 (#99)
- o3-pro: 72.1 (#1)

| Benchmark | Kimi K2 Thinking Turbo | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |
| LMArena Longer Query | 1415 | — |

## Writing & Preference

- Kimi K2 Thinking Turbo: 60.2 (#99)
- o3-pro: 57.1 (#128)

| Benchmark | Kimi K2 Thinking Turbo | o3-pro |
|---|---|---|
| LMArena Text | 1415 | — |
| LMArena Creative Writing | 1373 | — |
| Short-Story Creative Writing | — | 84.4% |
| LMArena Multi-Turn | 1414 | — |

## FAQ

### Is Kimi K2 Thinking Turbo better than o3-pro?

Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.4 to 42.7 on the Noometry Index.

### Is Kimi K2 Thinking Turbo or o3-pro better for coding?

o3-pro scores higher on coding benchmarks: 55.1 versus 38.1 in the Noometry coding category.

### How many benchmarks do Kimi K2 Thinking Turbo and o3-pro share?

0 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and o3-pro has 12.