# Kimi K2.6 vs Nova 2.0 Pro Preview

> Kimi K2.6 is the stronger model overall, scoring 47.5 to 32.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-6-vs-nova-2-0-pro-preview
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Kimi K2.6 scores higher in 2 categories and Nova 2.0 Pro Preview in 1 category; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Kimi K2.6 leads 39.6 to 21.7.
- The biggest single-benchmark swing is SciCode: 53.5% for Kimi K2.6 and 42.7% for Nova 2.0 Pro Preview.
- Kimi K2.6 has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| Provider | Moonshot AI | Amazon |
| Noometry Index | 47.5 | 32.8 |
| Rank | 52 | 241 |
| Context | 262K | — |
| Input $/M | $0.95 | — |
| Output $/M | $4 | — |
| Weights | Open | Proprietary |

## Coding

- Kimi K2.6: 50.5 (#41)
- Nova 2.0 Pro Preview: 40.2 (#130)

| Benchmark | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| SciCode | 53.5% | 42.7% |
| SWE-bench Verified | 76.7% | — |
| LMArena WebDev | 1509 | — |
| WeirdML | 55.9% | — |
| LMArena Coding | 1488 | — |
| ALE-Bench | 1,093 | — |

## Agentic & Tool Use

- Kimi K2.6: 21.8 (#128)
- Nova 2.0 Pro Preview: 21.9 (#127)

| Benchmark | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| GDP.pdf | 12% | 2% |
| OSWorld 2.0 | 4.6% | — |
| ExploitBench | 18.4% | — |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 6,205 | — |

## Reasoning

- Kimi K2.6: 39.6 (#51)
- Nova 2.0 Pro Preview: 21.7 (#189)

| Benchmark | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | 8% | 0% |
| NYT Connections (extended) | 87.2% | — |
| Chess Puzzles | 26% | — |
| EBR-Bench | 2.4% | — |
| LMArena Hard Prompts | 1470 | — |
| Mystery Game Puzzles | 18% | — |
| DTBench | 90.9% | — |
| LMCA | 37.3% | — |
| Epoch Capabilities Index | 151.03 | — |

## Math

- Kimi K2.6: 56.8 (#34)
- Nova 2.0 Pro Preview: —

| Benchmark | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| FrontierMath (Tiers 1-3) | 57.2% | — |
| FrontierMath Tier 4 | 25.6% | — |
| MathArena Final-Answer Competitions | 72.9% | — |
| OTIS Mock AIME 2024-2025 | 96.1% | — |
| ProofBench | 16% | — |
| LMArena Math | 1475 | — |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |

## Knowledge

- Kimi K2.6: 53.9 (#48)
- Nova 2.0 Pro Preview: —

| Benchmark | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| GPQA Diamond | 90.8% | — |
| SimpleQA Verified | 34.9% | — |
| Vectara Hallucination Rate | 10.8% | — |
| LMArena Expert | 1491 | — |

## Multimodal

- Kimi K2.6: 31.8 (#95)
- Nova 2.0 Pro Preview: —

| Benchmark | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Vision | 1282 | — |
| Blueprint-Bench 2 | 3.9% | — |
| Furniture Assembly | 21.7% | — |
| LMArena Document | 1451 | — |

## Multilingual

- Kimi K2.6: 55.1 (#35)
- Nova 2.0 Pro Preview: —

| Benchmark | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1446 | — |
| LMArena Chinese | 1521 | — |
| LMArena French | 1471 | — |
| LMArena German | 1449 | — |
| LMArena Japanese | 1442 | — |
| LMArena Korean | 1428 | — |
| LMArena Russian | 1446 | — |
| LMArena Spanish | 1463 | — |

## Instruction Following

- Kimi K2.6: 76.5 (#40)
- Nova 2.0 Pro Preview: —

| Benchmark | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1451 | — |

## Long Context

- Kimi K2.6: 44.9 (#50)
- Nova 2.0 Pro Preview: —

| Benchmark | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1468 | — |

## Writing & Preference

- Kimi K2.6: 68.7 (#25)
- Nova 2.0 Pro Preview: —

| Benchmark | Kimi K2.6 | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1455 | — |
| LMArena Creative Writing | 1434 | — |
| EQ-Bench Creative Writing | 1725 | — |
| EQ-Bench 4 | 1202 | — |
| LMArena Multi-Turn | 1453 | — |

## FAQ

### Is Kimi K2.6 better than Nova 2.0 Pro Preview?

Kimi K2.6 is the stronger model overall, scoring 47.5 to 32.8 on the Noometry Index.

### Is Kimi K2.6 or Nova 2.0 Pro Preview better for coding?

Kimi K2.6 scores higher on coding benchmarks: 50.5 versus 40.2 in the Noometry coding category.

### How many benchmarks do Kimi K2.6 and Nova 2.0 Pro Preview share?

3 benchmarks have published results for both models. Kimi K2.6 has 51 scored results on Noometry and Nova 2.0 Pro Preview has 3.