# Chatgpt 4o Latest 20250326 vs Qwen1.5 4b Chat

> Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 28.8 on the Noometry Index.

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

## Summary

- They share 13 benchmarks with published results for both. Chatgpt 4o Latest 20250326 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 Chatgpt 4o Latest 20250326 leads 62.6 to 23.8.
- Qwen1.5 4b Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Chatgpt 4o Latest 20250326 | Qwen1.5 4b Chat |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 43.8 | 28.8 |
| Rank | 82 | 322 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Chatgpt 4o Latest 20250326: 41.6 (#122)
- Qwen1.5 4b Chat: 29.1 (#308)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Coding | 1413 | 999 |

## Reasoning

- Chatgpt 4o Latest 20250326: 33.8 (#71)
- Qwen1.5 4b Chat: 18.5 (#279)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Hard Prompts | 1424 | 976 |
| Kagi LLM Benchmark | 75% | — |

## Math

- Chatgpt 4o Latest 20250326: 38.6 (#134)
- Qwen1.5 4b Chat: 30.4 (#234)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Math | 1407 | 1026 |

## Knowledge

- Chatgpt 4o Latest 20250326: 39.2 (#137)
- Qwen1.5 4b Chat: 26.7 (#255)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Expert | 1401 | 980 |
| Confabulations | 16.6% | — |

## Multimodal

- Chatgpt 4o Latest 20250326: 39.6 (#58)
- Qwen1.5 4b Chat: —

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Vision | 1243 | — |

## Multilingual

- Chatgpt 4o Latest 20250326: 52.9 (#76)
- Qwen1.5 4b Chat: 24.1 (#290)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Non-English | 1419 | 979 |
| LMArena Chinese | 1457 | 1024 |
| LMArena German | 1423 | 902 |
| LMArena Russian | 1429 | 952 |
| LMArena French | 1446 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1396 | — |
| LMArena Spanish | 1434 | — |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.0 (#107)
- Qwen1.5 4b Chat: 49.0 (#300)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Instruction Following | 1403 | 978 |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#107)
- Qwen1.5 4b Chat: 30.1 (#290)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Longer Query | 1413 | 988 |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.6 (#72)
- Qwen1.5 4b Chat: 23.8 (#309)

| Benchmark | Chatgpt 4o Latest 20250326 | Qwen1.5 4b Chat |
|---|---|---|
| LMArena Text | 1429 | 997 |
| LMArena Creative Writing | 1405 | 969 |
| LMArena Multi-Turn | 1454 | 977 |
| EQ-Bench Creative Writing | 1501 | — |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than Qwen1.5 4b Chat?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 28.8 on the Noometry Index.

### Is Chatgpt 4o Latest 20250326 or Qwen1.5 4b Chat better for coding?

Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 29.1 in the Noometry coding category.

### How many benchmarks do Chatgpt 4o Latest 20250326 and Qwen1.5 4b Chat share?

13 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Qwen1.5 4b Chat has 13.