# o1-pro vs Qwen1.5 4b Chat

> o1-pro is the stronger model overall, scoring 31.5 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o1-pro-vs-qwen1-5-4b-chat
- Last updated: 2026-10-12
- Shared benchmarks: 0

## Summary

- Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

## Snapshot

| | o1-pro | Qwen1.5 4b Chat |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 31.5 | 28.8 |
| Rank | 271 | 322 |
| Context | 200K | — |
| Input $/M | $150 | — |
| Output $/M | $600 | — |
| Weights | Proprietary | Open |

## Coding

- o1-pro: —
- Qwen1.5 4b Chat: 29.1 (#308)

| Benchmark | o1-pro | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | — | 999 |

## Reasoning

- o1-pro: 20.4 (#239)
- Qwen1.5 4b Chat: 18.5 (#279)

| Benchmark | o1-pro | Qwen1.5 4b Chat |
|---|---|---|
| ARC-AGI-1 | 23.3% | — |
| EnigmaEval | 6.1% | — |
| LMArena Hard Prompts | — | 976 |

## Math

- o1-pro: —
- Qwen1.5 4b Chat: 30.4 (#234)

| Benchmark | o1-pro | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | — | 1026 |

## Knowledge

- o1-pro: 29.7 (#234)
- Qwen1.5 4b Chat: 26.7 (#255)

| Benchmark | o1-pro | Qwen1.5 4b Chat |
|---|---|---|
| Humanity's Last Exam | 8.1% | — |
| LMArena Expert | — | 980 |

## Multilingual

- o1-pro: —
- Qwen1.5 4b Chat: 24.1 (#290)

| Benchmark | o1-pro | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | — | 979 |
| LMArena Chinese | — | 1024 |
| LMArena German | — | 902 |
| LMArena Russian | — | 952 |

## Instruction Following

- o1-pro: —
- Qwen1.5 4b Chat: 49.0 (#300)

| Benchmark | o1-pro | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | — | 978 |

## Long Context

- o1-pro: —
- Qwen1.5 4b Chat: 30.1 (#290)

| Benchmark | o1-pro | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | — | 988 |

## Writing & Preference

- o1-pro: —
- Qwen1.5 4b Chat: 23.8 (#309)

| Benchmark | o1-pro | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | — | 997 |
| LMArena Creative Writing | — | 969 |
| LMArena Multi-Turn | — | 977 |

## FAQ

### Is o1-pro better than Qwen1.5 4b Chat?

o1-pro is the stronger model overall, scoring 31.5 to 28.8 on the Noometry Index.

### How many benchmarks do o1-pro and Qwen1.5 4b Chat share?

0 benchmarks have published results for both models. o1-pro has 3 scored results on Noometry and Qwen1.5 4b Chat has 13.