# Amazon Nova Experimental Chat 10 20 vs Grok-2 (Dec 2024)

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 33.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-grok-2
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 8 categories and Grok-2 (Dec 2024) in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Amazon Nova Experimental Chat 10 20 leads 36.2 to 19.6.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Grok-2 (Dec 2024) |
|---|---|---|
| Provider | Amazon | xAI |
| Noometry Index | 41.5 | 33.4 |
| Rank | 122 | 233 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.0 (#123)
- Grok-2 (Dec 2024): 32.9 (#254)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Coding | 1413 | 1288 |
| WeirdML | — | 22.2% |
| LiveBench Coding | — | 46.4% |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 27.3 (#110)
- Grok-2 (Dec 2024): 16.4 (#294)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1272 |
| SimpleBench | — | 22.7% |
| LiveBench Reasoning | — | 54.8% |
| DTBench | — | 65.2% |
| LiveBench Data Analysis | — | 54.5% |
| Epoch Capabilities Index | — | 130.48 |
| LiveBench | — | 54.3% |

## Math

- Amazon Nova Experimental Chat 10 20: 36.2 (#121)
- Grok-2 (Dec 2024): 19.6 (#278)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Math | 1425 | 1283 |
| OTIS Mock AIME 2024-2025 | — | 11.5% |
| LiveBench Math | — | 54.9% |
| MATH Level 5 | — | 63.5% |
| FrontierMath (Feb 2025 set) | — | 0.7% |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 37.8 (#142)
- Grok-2 (Dec 2024): 29.8 (#225)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Expert | 1385 | 1254 |
| GPQA Diamond | — | 53.8% |
| Confabulations | — | 20.1% |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.7 (#127)
- Grok-2 (Dec 2024): 43.3 (#183)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1372 | 1282 |
| LMArena Chinese | 1405 | 1289 |
| LMArena French | 1426 | 1317 |
| LMArena German | 1391 | 1287 |
| LMArena Japanese | 1355 | 1244 |
| LMArena Korean | 1327 | 1237 |
| LMArena Russian | 1371 | 1286 |
| LMArena Spanish | 1381 | 1281 |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.3 (#136)
- Grok-2 (Dec 2024): 67.1 (#197)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Instruction Following | 1365 | 1270 |
| LiveBench Instruction Following | — | 69.6% |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#128)
- Grok-2 (Dec 2024): 38.7 (#186)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1370 | 1276 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.9 (#131)
- Grok-2 (Dec 2024): 48.8 (#192)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1394 | 1305 |
| LMArena Creative Writing | 1318 | 1284 |
| LMArena Multi-Turn | 1364 | 1290 |
| Short-Story Creative Writing | — | 63.6% |
| LiveBench Language | — | 45.6% |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Grok-2 (Dec 2024)?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 41.5 to 33.4 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Grok-2 (Dec 2024) better for coding?

Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.0 versus 32.9 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Grok-2 (Dec 2024) share?

17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Grok-2 (Dec 2024) has 34.