# Amazon Nova Experimental Chat 10 09 vs Gemini 3.8 Flash

> Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 41.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-09-vs-gemini-3-8-flash
- Last updated: 2026-10-12
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Amazon Nova Experimental Chat 10 09 scores higher in 0 categories and Gemini 3.8 Flash in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.8 Flash leads 76.9 to 27.3.

## Snapshot

| | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| Provider | Amazon | Google |
| Noometry Index | 41.9 | 61.8 |
| Rank | 126 | 11 |
| Context | — | 1.05M |
| Input $/M | — | $0.75 |
| Output $/M | — | $3.75 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 10 09: 40.2 (#145)
- Gemini 3.8 Flash: 59.2 (#15)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Coding | 1370 | 1510 |
| DeepSWE | — | 73.8% |
| FrontierCode | — | 41.2% |
| CursorBench | — | 39.6% |
| LMArena WebDev | — | 1584 |
| FrontierSWE | — | 19.6% |
| SciCode | — | 56.6% |
| WeirdML | — | 84.8% |
| ALE-Bench | — | 1,270 |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 10 09: —
- Gemini 3.8 Flash: 41.8 (#21)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| APEX-Agents | — | 64.3% |
| Remote Labor Index | — | 5.8% |
| GDP.pdf | — | 23.4% |
| Vending-Bench 2 | — | 5,094 |

## Reasoning

- Amazon Nova Experimental Chat 10 09: 27.3 (#120)
- Gemini 3.8 Flash: 76.9 (#5)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Hard Prompts | 1356 | 1508 |
| ARC-AGI-2 | — | 89.2% |
| NYT Connections (extended) | — | 97.4% |
| ARC-AGI-1 | — | 98.5% |
| CritPt | — | 18.3% |
| Chess Puzzles | — | 61% |
| Mystery Game Puzzles | — | 47% |
| DTBench | — | 95.7% |
| LMCA | — | 52.9% |
| Surface Evolver Bench | — | 76.9% |
| Epoch Capabilities Index | — | 156.71 |

## Math

- Amazon Nova Experimental Chat 10 09: —
- Gemini 3.8 Flash: 65.3 (#28)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 68.4% |
| FrontierMath Tier 4 | — | 22% |
| OTIS Mock AIME 2024-2025 | — | 98.9% |
| ProofBench | — | 48% |
| LMArena Math | — | 1528 |

## Knowledge

- Amazon Nova Experimental Chat 10 09: —
- Gemini 3.8 Flash: 74.8 (#2)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| GPQA Diamond | — | 95.4% |
| Humanity's Last Exam | — | 44.5% |
| SimpleQA Verified | — | 69.7% |
| LMArena Expert | — | 1524 |

## Multimodal

- Amazon Nova Experimental Chat 10 09: —
- Gemini 3.8 Flash: 40.7 (#45)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Vision | — | 1314 |
| Blueprint-Bench 2 | — | 38.6% |
| Furniture Assembly | — | 31.7% |

## Multilingual

- Amazon Nova Experimental Chat 10 09: 47.3 (#150)
- Gemini 3.8 Flash: 58.0 (#5)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Non-English | 1340 | 1491 |
| LMArena Chinese | 1341 | 1554 |
| LMArena French | — | 1498 |
| LMArena German | — | 1493 |
| LMArena Japanese | — | 1502 |
| LMArena Korean | — | 1459 |
| LMArena Russian | — | 1515 |
| LMArena Spanish | — | 1485 |

## Instruction Following

- Amazon Nova Experimental Chat 10 09: 69.4 (#172)
- Gemini 3.8 Flash: 78.0 (#13)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Instruction Following | 1315 | 1490 |

## Long Context

- Amazon Nova Experimental Chat 10 09: 40.5 (#152)
- Gemini 3.8 Flash: 46.3 (#24)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Longer Query | 1333 | 1508 |

## Writing & Preference

- Amazon Nova Experimental Chat 10 09: 54.7 (#149)
- Gemini 3.8 Flash: 72.2 (#15)

| Benchmark | Amazon Nova Experimental Chat 10 09 | Gemini 3.8 Flash |
|---|---|---|
| LMArena Text | 1364 | 1499 |
| LMArena Creative Writing | 1307 | 1492 |
| LMArena Multi-Turn | 1355 | 1501 |
| EQ-Bench Creative Writing | — | 1748 |

## FAQ

### Is Amazon Nova Experimental Chat 10 09 better than Gemini 3.8 Flash?

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 41.9 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 09 or Gemini 3.8 Flash better for coding?

Gemini 3.8 Flash scores higher on coding benchmarks: 59.2 versus 40.2 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 09 and Gemini 3.8 Flash share?

9 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 09 has 9 scored results on Noometry and Gemini 3.8 Flash has 50.