# Amazon Nova Experimental Chat 12 10 vs GPT-5.4 mini

> GPT-5.4 mini is the stronger model overall, scoring 45.0 to 42.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-12-10-vs-gpt-5-4-mini
- Last updated: 2026-10-12
- 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 GPT-5.4 mini in 8 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.4 mini leads 51.5 to 39.2.

## Snapshot

| | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 42.9 | 45.0 |
| Rank | 104 | 76 |
| Context | — | 400K |
| Input $/M | — | $0.75 |
| Output $/M | — | $4.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 12 10: 42.2 (#110)
- GPT-5.4 mini: 45.2 (#72)

| Benchmark | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| LMArena Coding | 1430 | 1438 |
| FrontierCode | — | 27% |
| LMArena WebDev | — | 1397 |
| SciCode | — | 49.9% |
| WeirdML | — | 60.3% |
| ALE-Bench | — | 1,189 |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 12 10: —
- GPT-5.4 mini: 29.9 (#81)

| Benchmark | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| DeepResearch Bench | — | 36.3% |

## Reasoning

- Amazon Nova Experimental Chat 12 10: 29.3 (#94)
- GPT-5.4 mini: 30.4 (#85)

| Benchmark | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| LMArena Hard Prompts | 1427 | 1424 |
| ARC-AGI-2 | — | 18.9% |
| Kagi LLM Benchmark | — | 37.9% |
| NYT Connections (extended) | — | 61.8% |
| ARC-AGI-1 | — | 63.7% |
| CritPt | — | 10% |
| Chess Puzzles | — | 24% |
| Thematic Generalization | — | 61.7% |
| Mystery Game Puzzles | — | 11% |
| DTBench | — | 80% |
| LMCA | — | 40.8% |
| Epoch Capabilities Index | — | 148.84 |
| ForecastBench | — | 57 |

## Math

- Amazon Nova Experimental Chat 12 10: 38.9 (#124)
- GPT-5.4 mini: 45.5 (#75)

| Benchmark | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| LMArena Math | 1419 | 1419 |
| FrontierMath (Tiers 1-3) | — | 51.2% |
| FrontierMath Tier 4 | — | 9.8% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 21% |
| FrontierMath (Feb 2025 set) | — | 28.3% |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Amazon Nova Experimental Chat 12 10: 39.2 (#136)
- GPT-5.4 mini: 51.5 (#67)

| Benchmark | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| LMArena Expert | 1408 | 1435 |
| GPQA Diamond | — | 86.9% |
| SimpleQA Verified | — | 29.4% |
| Vectara Hallucination Rate | — | 5.5% |

## Multimodal

- Amazon Nova Experimental Chat 12 10: —
- GPT-5.4 mini: 39.7 (#56)

| Benchmark | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| LMArena Vision | — | 1245 |

## Multilingual

- Amazon Nova Experimental Chat 12 10: 51.4 (#108)
- GPT-5.4 mini: 51.9 (#96)

| Benchmark | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| LMArena Non-English | 1398 | 1405 |
| LMArena Chinese | 1440 | 1446 |
| LMArena Russian | 1395 | 1417 |
| LMArena French | — | 1440 |
| LMArena German | — | 1409 |
| LMArena Japanese | — | 1374 |
| LMArena Korean | — | 1368 |
| LMArena Spanish | — | 1405 |

## Instruction Following

- Amazon Nova Experimental Chat 12 10: 73.2 (#123)
- GPT-5.4 mini: 74.1 (#102)

| Benchmark | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| LMArena Instruction Following | 1387 | 1405 |

## Long Context

- Amazon Nova Experimental Chat 12 10: 42.4 (#125)
- GPT-5.4 mini: 43.0 (#112)

| Benchmark | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| LMArena Longer Query | 1391 | 1407 |

## Writing & Preference

- Amazon Nova Experimental Chat 12 10: 59.5 (#110)
- GPT-5.4 mini: 64.0 (#58)

| Benchmark | Amazon Nova Experimental Chat 12 10 | GPT-5.4 mini |
|---|---|---|
| LMArena Text | 1420 | 1412 |
| LMArena Creative Writing | 1350 | 1370 |
| LMArena Multi-Turn | 1409 | 1429 |
| EQ-Bench Creative Writing | — | 1665 |

## FAQ

### Is Amazon Nova Experimental Chat 12 10 better than GPT-5.4 mini?

GPT-5.4 mini is the stronger model overall, scoring 45.0 to 42.9 on the Noometry Index.

### Is Amazon Nova Experimental Chat 12 10 or GPT-5.4 mini better for coding?

GPT-5.4 mini scores higher on coding benchmarks: 45.2 versus 42.2 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 12 10 and GPT-5.4 mini share?

12 benchmarks have published results for both models. Amazon Nova Experimental Chat 12 10 has 12 scored results on Noometry and GPT-5.4 mini has 46.