# Amazon Nova Experimental Chat 10 09 vs GPT-5 Mini

> Amazon Nova Experimental Chat 10 09 and GPT-5 Mini score almost the same on the Noometry Index (41.9 vs 41.8), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-09-vs-gpt-5-mini
- Last updated: 2026-10-10
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 2 categories and GPT-5 Mini in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where GPT-5 Mini leads 76.2 to 69.4.

## Snapshot

| | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 41.9 | 41.8 |
| Rank | 126 | 128 |
| Context | — | 400K |
| Input $/M | — | $0.25 |
| Output $/M | — | $2 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 10 09: 40.2 (#145)
- GPT-5 Mini: 40.1 (#146)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| LMArena Coding | 1370 | 1406 |
| SWE-bench Verified | — | 64.7% |
| SWE-bench Verified (bash only) | — | 59.8% |
| SWE-bench Multilingual | — | 39.7% |
| SciCode | — | 39.2% |
| WeirdML | — | 52.7% |
| ALE-Bench | — | 799.77 |
| AlgoTune | — | 1.38 |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 10 09: —
- GPT-5 Mini: 31.1 (#70)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| Terminal-Bench | — | 34.8% |
| Berkeley Function Calling Leaderboard | — | 55.5% |
| Vending-Bench 2 | — | -31.18 |

## Reasoning

- Amazon Nova Experimental Chat 10 09: 27.3 (#120)
- GPT-5 Mini: 23.9 (#168)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1380 |
| ARC-AGI-2 | — | 4.4% |
| Kagi LLM Benchmark | — | 70.3% |
| ARC-AGI-1 | — | 54.3% |
| CritPt | — | 0% |
| Chess Puzzles | — | 30% |
| EnigmaEval | — | 8.2% |
| Mystery Game Puzzles | — | 10% |
| DTBench | — | 80.5% |
| LMCA | — | 34.2% |
| Epoch Capabilities Index | — | 145.52 |
| ForecastBench | — | 61 |

## Math

- Amazon Nova Experimental Chat 10 09: —
- GPT-5 Mini: 46.7 (#69)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 46.7% |
| FrontierMath Tier 4 | — | 12.2% |
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| ProofBench | — | 9% |
| Omni-MATH | — | 72.2% |
| LMArena Math | — | 1378 |
| MATH Level 5 | — | 97.8% |
| FrontierMath (Feb 2025 set) | — | 27.2% |
| FrontierMath Tier 4 (v1) | — | 6.3% |

## Knowledge

- Amazon Nova Experimental Chat 10 09: —
- GPT-5 Mini: 45.6 (#86)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| GPQA Diamond | — | 75% |
| Humanity's Last Exam | — | 19.4% |
| SimpleQA Verified | — | 21.6% |
| MMLU-Pro | — | 83.5% |
| Confabulations | — | 13.3% |
| Vectara Hallucination Rate | — | 12.9% |
| GPQA (HELM) | — | 75.6% |
| LMArena Expert | — | 1379 |

## Multimodal

- Amazon Nova Experimental Chat 10 09: —
- GPT-5 Mini: 35.6 (#85)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| LMArena Vision | — | 1202 |
| VPCT | — | 40.2% |

## Multilingual

- Amazon Nova Experimental Chat 10 09: 47.3 (#150)
- GPT-5 Mini: 48.9 (#137)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| LMArena Non-English | 1340 | 1363 |
| LMArena Chinese | 1341 | 1385 |
| LMArena French | — | 1386 |
| LMArena German | — | 1366 |
| LMArena Japanese | — | 1341 |
| LMArena Korean | — | 1308 |
| LMArena Russian | — | 1362 |
| LMArena Spanish | — | 1355 |

## Instruction Following

- Amazon Nova Experimental Chat 10 09: 69.4 (#172)
- GPT-5 Mini: 76.2 (#46)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| LMArena Instruction Following | 1315 | 1357 |
| IFEval | — | 92.7% |

## Long Context

- Amazon Nova Experimental Chat 10 09: 40.5 (#152)
- GPT-5 Mini: 41.9 (#132)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| LMArena Longer Query | 1333 | 1355 |
| Fiction.LiveBench | — | 69.4% |

## Writing & Preference

- Amazon Nova Experimental Chat 10 09: 54.7 (#149)
- GPT-5 Mini: 55.2 (#148)

| Benchmark | Amazon Nova Experimental Chat 10 09 | GPT-5 Mini |
|---|---|---|
| LMArena Text | 1364 | 1373 |
| LMArena Creative Writing | 1307 | 1325 |
| LMArena Multi-Turn | 1355 | 1363 |
| Short-Story Creative Writing | — | 83.1% |
| EQ-Bench Creative Writing | — | 1313 |
| WildBench | — | 85.5% |

## FAQ

### Is Amazon Nova Experimental Chat 10 09 better than GPT-5 Mini?

Amazon Nova Experimental Chat 10 09 and GPT-5 Mini score almost the same on the Noometry Index (41.9 vs 41.8), so choose on price, context window or the category you care about most.

### Is Amazon Nova Experimental Chat 10 09 or GPT-5 Mini better for coding?

They score almost the same on coding (40.2 vs 40.1); test both on your own repository before choosing.

### How many benchmarks do Amazon Nova Experimental Chat 10 09 and GPT-5 Mini share?

9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and GPT-5 Mini has 60.