# Amazon Nova Experimental Chat 10 20 vs Kimi K2.7 Code

> Kimi K2.7 Code is the stronger model overall, scoring 43.0 to 41.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-kimi-k2-7-code
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Kimi K2.7 Code leads 52.6 to 36.2.
- Kimi K2.7 Code has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Kimi K2.7 Code |
|---|---|---|
| Provider | Amazon | Moonshot AI |
| Noometry Index | 41.5 | 43.0 |
| Rank | 122 | 90 |
| Context | — | 262K |
| Input $/M | — | $0.95 |
| Output $/M | — | $4 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.0 (#123)
- Kimi K2.7 Code: 42.4 (#92)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Kimi K2.7 Code |
|---|---|---|
| DeepSWE | — | 30.5% |
| FrontierCode | — | 30.1% |
| LMArena WebDev | — | 1473 |
| SciCode | — | 47.5% |
| WeirdML | — | 54.1% |
| LMArena Coding | 1413 | — |
| ALE-Bench | — | 886.23 |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 10 20: —
- Kimi K2.7 Code: 23.9 (#115)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Kimi K2.7 Code |
|---|---|---|
| APEX-Agents | — | 37.6% |
| GBAEval | — | 0.9% |
| Vending-Bench 2 | — | 5,083 |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 27.3 (#110)
- Kimi K2.7 Code: 38.2 (#56)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Kimi K2.7 Code |
|---|---|---|
| SimpleBench | — | 57.9% |
| CritPt | — | 10% |
| Chess Puzzles | — | 21% |
| LMArena Hard Prompts | 1396 | — |
| Surface Evolver Bench | — | 48.8% |
| Epoch Capabilities Index | — | 150.01 |

## Math

- Amazon Nova Experimental Chat 10 20: 36.2 (#121)
- Kimi K2.7 Code: 52.6 (#39)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Kimi K2.7 Code |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 54% |
| FrontierMath Tier 4 | — | 12.2% |
| OTIS Mock AIME 2024-2025 | — | 95.6% |
| LMArena Math | 1425 | — |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 37.8 (#142)
- Kimi K2.7 Code: 53.6 (#51)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Kimi K2.7 Code |
|---|---|---|
| GPQA Diamond | — | 87.9% |
| SimpleQA Verified | — | 36.5% |
| LMArena Expert | 1385 | — |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.7 (#127)
- Kimi K2.7 Code: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Kimi K2.7 Code |
|---|---|---|
| LMArena Non-English | 1372 | — |
| LMArena Chinese | 1405 | — |
| LMArena French | 1426 | — |
| LMArena German | 1391 | — |
| LMArena Japanese | 1355 | — |
| LMArena Korean | 1327 | — |
| LMArena Russian | 1371 | — |
| LMArena Spanish | 1381 | — |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.3 (#136)
- Kimi K2.7 Code: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Kimi K2.7 Code |
|---|---|---|
| LMArena Instruction Following | 1365 | — |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#128)
- Kimi K2.7 Code: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Kimi K2.7 Code |
|---|---|---|
| LMArena Longer Query | 1370 | — |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.9 (#131)
- Kimi K2.7 Code: —

| Benchmark | Amazon Nova Experimental Chat 10 20 | Kimi K2.7 Code |
|---|---|---|
| LMArena Text | 1394 | — |
| LMArena Creative Writing | 1318 | — |
| LMArena Multi-Turn | 1364 | — |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Kimi K2.7 Code?

Kimi K2.7 Code is the stronger model overall, scoring 43.0 to 41.5 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Kimi K2.7 Code better for coding?

Kimi K2.7 Code scores higher on coding benchmarks: 42.4 versus 41.0 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Kimi K2.7 Code share?

0 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Kimi K2.7 Code has 19.