# Amazon Nova Experimental Chat 12 10 vs Claude Sonnet 5

> Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 42.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-12-10-vs-claude-sonnet-5
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Amazon Nova Experimental Chat 12 10 scores higher in 0 categories and Claude Sonnet 5 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 5 leads 66.1 to 36.1.

## Snapshot

| | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| Provider | Amazon | Anthropic |
| Noometry Index | 42.3 | 54.5 |
| Rank | 104 | 26 |
| Context | — | 1M |
| Input $/M | — | $2 |
| Output $/M | — | $10 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 12 10: 41.5 (#112)
- Claude Sonnet 5: 55.5 (#20)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| LMArena Coding | 1430 | 1483 |
| DeepSWE | — | 53.8% |
| FrontierCode | — | 42.7% |
| CursorBench | — | 34.1% |
| LMArena WebDev | — | 1540 |
| SciCode | — | 53.6% |
| GSO | — | 37.3% |
| WeirdML | — | 68.8% |
| ALE-Bench | — | 1,463 |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 12 10: —
- Claude Sonnet 5: 42.7 (#16)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| APEX-Agents | — | 54.5% |
| GBAEval | — | 65.3% |
| LMArena Search | — | 1194 |
| Vending-Bench 2 | — | 6,378 |

## Reasoning

- Amazon Nova Experimental Chat 12 10: 28.1 (#93)
- Claude Sonnet 5: 48.2 (#37)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| LMArena Hard Prompts | 1427 | 1461 |
| SimpleBench | — | 60.6% |
| NYT Connections (extended) | — | 75.1% |
| CritPt | — | 16.9% |
| Chess Puzzles | — | 35% |
| Mystery Game Puzzles | — | 35% |
| DTBench | — | 92.5% |
| LMCA | — | 50% |
| Surface Evolver Bench | — | 60% |
| Bench to the Future 3 | — | 0.14 |
| Epoch Capabilities Index | — | 156.34 |
| ForecastBench | — | 61.1 |

## Math

- Amazon Nova Experimental Chat 12 10: 36.1 (#130)
- Claude Sonnet 5: 66.1 (#21)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| LMArena Math | 1418 | 1467 |
| FrontierMath (Tiers 1-3) | — | 65.6% |
| FrontierMath Tier 4 | — | 29.3% |
| OTIS Mock AIME 2024-2025 | — | 94.7% |
| ProofBench | — | 77% |

## Knowledge

- Amazon Nova Experimental Chat 12 10: 38.6 (#133)
- Claude Sonnet 5: 55.7 (#42)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| LMArena Expert | 1409 | 1491 |
| GPQA Diamond | — | 90.5% |
| SimpleQA Verified | — | 33.7% |

## Multimodal

- Amazon Nova Experimental Chat 12 10: —
- Claude Sonnet 5: 42.4 (#26)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| LMArena Vision | — | 1275 |
| Blueprint-Bench 2 | — | 24.9% |
| LMArena Document | — | 1466 |

## Multilingual

- Amazon Nova Experimental Chat 12 10: 51.7 (#103)
- Claude Sonnet 5: 54.0 (#55)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| LMArena Non-English | 1399 | 1431 |
| LMArena Chinese | 1440 | 1475 |
| LMArena Russian | 1397 | 1452 |
| LMArena French | — | 1457 |
| LMArena German | — | 1448 |
| LMArena Japanese | — | 1422 |
| LMArena Korean | — | 1411 |
| LMArena Spanish | — | 1436 |

## Instruction Following

- Amazon Nova Experimental Chat 12 10: 73.4 (#117)
- Claude Sonnet 5: 76.6 (#39)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| LMArena Instruction Following | 1387 | 1453 |

## Long Context

- Amazon Nova Experimental Chat 12 10: 42.4 (#120)
- Claude Sonnet 5: 44.8 (#53)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| LMArena Longer Query | 1391 | 1464 |

## Writing & Preference

- Amazon Nova Experimental Chat 12 10: 59.7 (#104)
- Claude Sonnet 5: 69.4 (#24)

| Benchmark | Amazon Nova Experimental Chat 12 10 | Claude Sonnet 5 |
|---|---|---|
| LMArena Text | 1420 | 1443 |
| LMArena Creative Writing | 1351 | 1416 |
| LMArena Multi-Turn | 1409 | 1454 |
| EQ-Bench Creative Writing | — | 1794 |
| EQ-Bench 4 | — | 1236 |

## FAQ

### Is Amazon Nova Experimental Chat 12 10 better than Claude Sonnet 5?

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 42.3 on the Noometry Index.

### Is Amazon Nova Experimental Chat 12 10 or Claude Sonnet 5 better for coding?

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 41.5 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 12 10 and Claude Sonnet 5 share?

12 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and Claude Sonnet 5 has 51.