# GPT-5.3 Chat vs Qwen3 Coder Next

> GPT-5.3 Chat is the stronger model overall, scoring 42.1 to 33.8 on the Noometry Index. Qwen3 Coder Next costs 17× less per token, which makes it the better buy when GPT-5.3 Chat's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-5-3-chat-vs-qwen3-coder-next
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where GPT-5.3 Chat leads 27.3 to 21.7.
- Qwen3 Coder Next is cheaper at $0.12 / $0.80 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Chat.
- Qwen3 Coder Next accepts more context: 262K tokens versus 128K.
- Qwen3 Coder Next has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.3 Chat | Qwen3 Coder Next |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 42.1 | 33.8 |
| Rank | 109 | 229 |
| Context | 128K | 262K |
| Input $/M | $1.75 | $0.12 |
| Output $/M | $14 | $0.80 |
| Weights | Proprietary | Open |

## Coding

- GPT-5.3 Chat: 40.8 (#124)
- Qwen3 Coder Next: 35.8 (#206)

| Benchmark | GPT-5.3 Chat | Qwen3 Coder Next |
|---|---|---|
| SciCode | — | 32.3% |
| WeirdML | — | 34.4% |
| LMArena Coding | 1408 | — |

## Reasoning

- GPT-5.3 Chat: 27.3 (#105)
- Qwen3 Coder Next: 21.7 (#191)

| Benchmark | GPT-5.3 Chat | Qwen3 Coder Next |
|---|---|---|
| CritPt | — | 0% |
| LMArena Hard Prompts | 1399 | — |

## Math

- GPT-5.3 Chat: 35.4 (#146)
- Qwen3 Coder Next: —

| Benchmark | GPT-5.3 Chat | Qwen3 Coder Next |
|---|---|---|
| LMArena Math | 1389 | — |

## Knowledge

- GPT-5.3 Chat: 38.2 (#137)
- Qwen3 Coder Next: —

| Benchmark | GPT-5.3 Chat | Qwen3 Coder Next |
|---|---|---|
| LMArena Expert | 1397 | — |

## Multilingual

- GPT-5.3 Chat: 50.5 (#119)
- Qwen3 Coder Next: —

| Benchmark | GPT-5.3 Chat | Qwen3 Coder Next |
|---|---|---|
| LMArena Non-English | 1383 | — |
| LMArena Chinese | 1433 | — |
| LMArena French | 1398 | — |
| LMArena German | 1384 | — |
| LMArena Japanese | 1351 | — |
| LMArena Korean | 1347 | — |
| LMArena Russian | 1400 | — |
| LMArena Spanish | 1371 | — |

## Instruction Following

- GPT-5.3 Chat: 73.0 (#124)
- Qwen3 Coder Next: —

| Benchmark | GPT-5.3 Chat | Qwen3 Coder Next |
|---|---|---|
| LMArena Instruction Following | 1378 | — |

## Long Context

- GPT-5.3 Chat: 42.6 (#115)
- Qwen3 Coder Next: —

| Benchmark | GPT-5.3 Chat | Qwen3 Coder Next |
|---|---|---|
| LMArena Longer Query | 1396 | — |

## Writing & Preference

- GPT-5.3 Chat: 63.3 (#65)
- Qwen3 Coder Next: —

| Benchmark | GPT-5.3 Chat | Qwen3 Coder Next |
|---|---|---|
| LMArena Text | 1389 | — |
| LMArena Creative Writing | 1356 | — |
| EQ-Bench Creative Writing | 1690 | — |
| LMArena Multi-Turn | 1413 | — |

## FAQ

### Is GPT-5.3 Chat better than Qwen3 Coder Next?

GPT-5.3 Chat is the stronger model overall, scoring 42.1 to 33.8 on the Noometry Index. Qwen3 Coder Next costs 17× less per token, which makes it the better buy when GPT-5.3 Chat's lead doesn't matter for your workload.

### Which is cheaper, GPT-5.3 Chat or Qwen3 Coder Next?

Qwen3 Coder Next is cheaper. It lists at $0.12 per million input tokens and $0.80 per million output tokens; GPT-5.3 Chat lists at $1.75 and $14.

### Is GPT-5.3 Chat or Qwen3 Coder Next better for coding?

GPT-5.3 Chat scores higher on coding benchmarks: 40.8 versus 35.8 in the Noometry coding category.

### Which has the bigger context window?

Qwen3 Coder Next does, with 262K tokens against 128K.

### How many benchmarks do GPT-5.3 Chat and Qwen3 Coder Next share?

0 benchmarks have published results for both models. GPT-5.3 Chat has 18 scored results on Noometry and Qwen3 Coder Next has 3.