# Amazon Nova Experimental Chat 10 20 vs Gemini 2.5 Flash-Lite

> Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 37.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/amazon-nova-experimental-chat-10-20-vs-gemini-2-5-flash-lite
- 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 7 categories and Gemini 2.5 Flash-Lite in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in long context, where Amazon Nova Experimental Chat 10 20 leads 41.7 to 33.3.

## Snapshot

| | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| Provider | Amazon | Google |
| Noometry Index | 42.1 | 37.0 |
| Rank | 118 | 211 |
| Context | — | 1.05M |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Amazon Nova Experimental Chat 10 20: 41.6 (#123)
- Gemini 2.5 Flash-Lite: 38.5 (#173)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Coding | 1412 | 1373 |
| WeirdML | — | 35.2% |
| ALE-Bench | — | 325.9 |

## Agentic & Tool Use

- Amazon Nova Experimental Chat 10 20: —
- Gemini 2.5 Flash-Lite: 28.0 (#96)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 36.9% |

## Reasoning

- Amazon Nova Experimental Chat 10 20: 28.4 (#106)
- Gemini 2.5 Flash-Lite: 22.2 (#205)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1377 |
| Kagi LLM Benchmark | — | 40.5% |
| DTBench | — | 62.8% |
| LMCA | — | 18.1% |
| Epoch Capabilities Index | — | 133.94 |

## Math

- Amazon Nova Experimental Chat 10 20: 39.0 (#119)
- Gemini 2.5 Flash-Lite: 38.0 (#144)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Math | 1425 | 1373 |
| Omni-MATH | — | 48% |

## Knowledge

- Amazon Nova Experimental Chat 10 20: 38.5 (#144)
- Gemini 2.5 Flash-Lite: 32.5 (#210)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Expert | 1386 | 1373 |
| MMLU-Pro | — | 53.7% |
| Vectara Hallucination Rate | — | 3.3% |
| GPQA (HELM) | — | 30.9% |

## Multimodal

- Amazon Nova Experimental Chat 10 20: —
- Gemini 2.5 Flash-Lite: 29.1 (#114)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Vision | — | 1198 |
| VPCT | — | 30% |

## Multilingual

- Amazon Nova Experimental Chat 10 20: 49.5 (#131)
- Gemini 2.5 Flash-Lite: 49.3 (#134)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Non-English | 1372 | 1369 |
| LMArena Chinese | 1404 | 1404 |
| LMArena French | 1425 | 1388 |
| LMArena German | 1391 | 1389 |
| LMArena Japanese | 1360 | 1359 |
| LMArena Korean | 1324 | 1360 |
| LMArena Russian | 1371 | 1373 |
| LMArena Spanish | 1382 | 1396 |

## Instruction Following

- Amazon Nova Experimental Chat 10 20: 72.1 (#141)
- Gemini 2.5 Flash-Lite: 70.0 (#168)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Instruction Following | 1365 | 1367 |
| IFEval | — | 81% |

## Long Context

- Amazon Nova Experimental Chat 10 20: 41.7 (#133)
- Gemini 2.5 Flash-Lite: 33.3 (#262)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Longer Query | 1370 | 1373 |
| Fiction.LiveBench | — | 47.2% |

## Writing & Preference

- Amazon Nova Experimental Chat 10 20: 56.6 (#136)
- Gemini 2.5 Flash-Lite: 56.8 (#135)

| Benchmark | Amazon Nova Experimental Chat 10 20 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Text | 1394 | 1379 |
| LMArena Creative Writing | 1318 | 1367 |
| LMArena Multi-Turn | 1364 | 1366 |
| WildBench | — | 81.8% |

## FAQ

### Is Amazon Nova Experimental Chat 10 20 better than Gemini 2.5 Flash-Lite?

Amazon Nova Experimental Chat 10 20 is the stronger model overall, scoring 42.1 to 37.0 on the Noometry Index.

### Is Amazon Nova Experimental Chat 10 20 or Gemini 2.5 Flash-Lite better for coding?

Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 38.5 in the Noometry coding category.

### How many benchmarks do Amazon Nova Experimental Chat 10 20 and Gemini 2.5 Flash-Lite share?

17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and Gemini 2.5 Flash-Lite has 33.