# Nemotron 3.5 Lightning vs Qwen1.5 4b Chat

> Nemotron 3.5 Lightning is the stronger model overall, scoring 40.0 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/nemotron-3-5-lightning-vs-qwen1-5-4b-chat
- Last updated: 2026-10-10
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. Nemotron 3.5 Lightning scores higher in 8 categories and Qwen1.5 4b Chat in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Nemotron 3.5 Lightning leads 48.5 to 23.8.

## Snapshot

| | Nemotron 3.5 Lightning | Qwen1.5 4b Chat |
|---|---|---|
| Provider | NVIDIA | Alibaba (Qwen) |
| Noometry Index | 40.0 | 28.8 |
| Rank | 155 | 322 |
| Context | 262K | — |
| Input $/M | $0.05 | — |
| Output $/M | $0.20 | — |
| Weights | Open | Open |

## Coding

- Nemotron 3.5 Lightning: 40.4 (#141)
- Qwen1.5 4b Chat: 29.1 (#308)

| Benchmark | Nemotron 3.5 Lightning | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | 1375 | 999 |

## Reasoning

- Nemotron 3.5 Lightning: 26.8 (#127)
- Qwen1.5 4b Chat: 18.5 (#279)

| Benchmark | Nemotron 3.5 Lightning | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Hard Prompts | 1337 | 976 |

## Math

- Nemotron 3.5 Lightning: 37.5 (#155)
- Qwen1.5 4b Chat: 30.4 (#234)

| Benchmark | Nemotron 3.5 Lightning | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | 1359 | 1026 |

## Knowledge

- Nemotron 3.5 Lightning: 37.5 (#154)
- Qwen1.5 4b Chat: 26.7 (#255)

| Benchmark | Nemotron 3.5 Lightning | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Expert | 1356 | 980 |

## Multilingual

- Nemotron 3.5 Lightning: 44.0 (#180)
- Qwen1.5 4b Chat: 24.1 (#290)

| Benchmark | Nemotron 3.5 Lightning | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | 1295 | 979 |
| LMArena Chinese | 1359 | 1024 |
| LMArena German | 1282 | 902 |
| LMArena Russian | 1253 | 952 |
| LMArena French | 1366 | — |
| LMArena Japanese | 1206 | — |
| LMArena Korean | 1238 | — |
| LMArena Spanish | 1345 | — |

## Instruction Following

- Nemotron 3.5 Lightning: 69.6 (#170)
- Qwen1.5 4b Chat: 49.0 (#300)

| Benchmark | Nemotron 3.5 Lightning | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | 1318 | 978 |

## Long Context

- Nemotron 3.5 Lightning: 39.9 (#165)
- Qwen1.5 4b Chat: 30.1 (#290)

| Benchmark | Nemotron 3.5 Lightning | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | 1314 | 988 |

## Writing & Preference

- Nemotron 3.5 Lightning: 48.5 (#201)
- Qwen1.5 4b Chat: 23.8 (#309)

| Benchmark | Nemotron 3.5 Lightning | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | 1327 | 997 |
| LMArena Creative Writing | 1254 | 969 |
| LMArena Multi-Turn | 1328 | 977 |
| EQ-Bench Creative Writing | 1280 | — |

## FAQ

### Is Nemotron 3.5 Lightning better than Qwen1.5 4b Chat?

Nemotron 3.5 Lightning is the stronger model overall, scoring 40.0 to 28.8 on the Noometry Index.

### Is Nemotron 3.5 Lightning or Qwen1.5 4b Chat better for coding?

Nemotron 3.5 Lightning scores higher on coding benchmarks: 40.4 versus 29.1 in the Noometry coding category.

### How many benchmarks do Nemotron 3.5 Lightning and Qwen1.5 4b Chat share?

13 benchmarks have published results for both models. Nemotron 3.5 Lightning has 18 scored results on Noometry and Qwen1.5 4b Chat has 13.