# Kimi K2 Thinking Turbo vs Sonar

> Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 38.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-thinking-turbo-vs-sonar
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Kimi K2 Thinking Turbo leads 47.4 to 33.7.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K2 Thinking Turbo | Sonar |
|---|---|---|
| Provider | Moonshot AI | Perplexity |
| Noometry Index | 45.8 | 38.5 |
| Rank | 70 | 187 |
| Context | — | 128K |
| Input $/M | — | $1 |
| Output $/M | — | $1 |
| Weights | Open | Proprietary |

## Coding

- Kimi K2 Thinking Turbo: 38.4 (#178)
- Sonar: 35.7 (#221)

| Benchmark | Kimi K2 Thinking Turbo | Sonar |
|---|---|---|
| LMArena WebDev | 1322 | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1454 | — |

## Reasoning

- Kimi K2 Thinking Turbo: 32.5 (#75)
- Sonar: 21.1 (#227)

| Benchmark | Kimi K2 Thinking Turbo | Sonar |
|---|---|---|
| Chess Puzzles | 20% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1428 | — |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |

## Math

- Kimi K2 Thinking Turbo: 47.4 (#68)
- Sonar: 33.7 (#200)

| Benchmark | Kimi K2 Thinking Turbo | Sonar |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 83.1% | — |
| LiveBench Math | — | 41.6% |
| LMArena Math | 1429 | — |

## Knowledge

- Kimi K2 Thinking Turbo: 50.9 (#69)
- Sonar: —

| Benchmark | Kimi K2 Thinking Turbo | Sonar |
|---|---|---|
| GPQA Diamond | 84.2% | — |
| LMArena Expert | 1439 | — |

## Multilingual

- Kimi K2 Thinking Turbo: 51.4 (#109)
- Sonar: —

| Benchmark | Kimi K2 Thinking Turbo | Sonar |
|---|---|---|
| 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

- Kimi K2 Thinking Turbo: 74.0 (#109)
- Sonar: 71.4 (#150)

| Benchmark | Kimi K2 Thinking Turbo | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1403 | — |

## Long Context

- Kimi K2 Thinking Turbo: 43.2 (#102)
- Sonar: —

| Benchmark | Kimi K2 Thinking Turbo | Sonar |
|---|---|---|
| LMArena Longer Query | 1415 | — |

## Writing & Preference

- Kimi K2 Thinking Turbo: 60.0 (#104)
- Sonar: 52.6 (#167)

| Benchmark | Kimi K2 Thinking Turbo | Sonar |
|---|---|---|
| LMArena Text | 1415 | — |
| LMArena Creative Writing | 1374 | — |
| LMArena Multi-Turn | 1414 | — |
| LiveBench Language | — | 44.1% |

## FAQ

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

Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 38.5 on the Noometry Index.

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

Kimi K2 Thinking Turbo scores higher on coding benchmarks: 38.4 versus 35.7 in the Noometry coding category.

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

0 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and Sonar has 7.