# GPT-5.3 Codex vs Qwen3.7 Plus

> GPT-5.3 Codex and Qwen3.7 Plus score almost the same on the Noometry Index (45.8 vs 45.3), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gpt-5-3-codex-vs-qwen3-7-plus
- Last updated: 2026-10-11
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. GPT-5.3 Codex scores higher in 2 categories and Qwen3.7 Plus in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in agentic & tool use, where GPT-5.3 Codex leads 48.0 to 21.4.
- Qwen3.7 Plus is cheaper at $0.40 / $1.60 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Codex.
- Qwen3.7 Plus accepts more context: 1M tokens versus 400K.

## Snapshot

| | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 45.8 | 45.3 |
| Rank | 69 | 72 |
| Context | 400K | 1M |
| Input $/M | $1.75 | $0.40 |
| Output $/M | $14 | $1.60 |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5.3 Codex: 48.6 (#56)
- Qwen3.7 Plus: 36.6 (#206)

| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| SWE-bench Verified | 74.8% | — |
| FrontierCode | — | 10.2% |
| LMArena WebDev | 1409 | — |
| SciCode | — | 45.5% |
| WeirdML | 79.3% | — |
| LMArena Coding | — | 1473 |
| ALE-Bench | 1,655 | — |

## Agentic & Tool Use

- GPT-5.3 Codex: 48.0 (#9)
- Qwen3.7 Plus: 21.4 (#138)

| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| Terminal-Bench | 78.4% | — |
| OSWorld 2.0 | — | 2.8% |
| METR Time Horizons | 74.5% | — |
| Vending-Bench 2 | 5,940 | — |

## Reasoning

- GPT-5.3 Codex: —
- Qwen3.7 Plus: 39.3 (#59)

| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| Epoch Capabilities Index | 156.77 | 147.37 |
| NYT Connections (extended) | — | 74.8% |
| CritPt | — | 9.1% |
| Chess Puzzles | — | 24% |
| LMArena Hard Prompts | — | 1460 |
| Mystery Game Puzzles | — | 17% |
| DTBench | — | 84% |
| LMCA | — | 37.6% |

## Math

- GPT-5.3 Codex: —
- Qwen3.7 Plus: 50.5 (#56)

| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 34.4% |
| OTIS Mock AIME 2024-2025 | — | 93.3% |
| LMArena Math | — | 1466 |

## Knowledge

- GPT-5.3 Codex: —
- Qwen3.7 Plus: 54.9 (#51)

| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| GPQA Diamond | — | 87.9% |
| LMArena Expert | — | 1467 |

## Multimodal

- GPT-5.3 Codex: —
- Qwen3.7 Plus: 41.8 (#33)

| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| LMArena Vision | — | 1279 |
| LMArena Document | — | 1444 |

## Multilingual

- GPT-5.3 Codex: —
- Qwen3.7 Plus: 54.8 (#38)

| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| LMArena Non-English | — | 1445 |
| LMArena Chinese | — | 1510 |
| LMArena French | — | 1473 |
| LMArena German | — | 1471 |
| LMArena Japanese | — | 1413 |
| LMArena Korean | — | 1415 |
| LMArena Russian | — | 1457 |
| LMArena Spanish | — | 1457 |

## Instruction Following

- GPT-5.3 Codex: —
- Qwen3.7 Plus: 75.8 (#52)

| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| LMArena Instruction Following | — | 1440 |

## Long Context

- GPT-5.3 Codex: —
- Qwen3.7 Plus: 44.5 (#65)

| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| LMArena Longer Query | — | 1455 |

## Writing & Preference

- GPT-5.3 Codex: —
- Qwen3.7 Plus: 64.3 (#56)

| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| LMArena Text | — | 1455 |
| LMArena Creative Writing | — | 1439 |
| LMArena Multi-Turn | — | 1460 |

## FAQ

### Is GPT-5.3 Codex better than Qwen3.7 Plus?

GPT-5.3 Codex and Qwen3.7 Plus score almost the same on the Noometry Index (45.8 vs 45.3), so choose on price, context window or the category you care about most.

### Which is cheaper, GPT-5.3 Codex or Qwen3.7 Plus?

Qwen3.7 Plus is cheaper. It lists at $0.40 per million input tokens and $1.60 per million output tokens; GPT-5.3 Codex lists at $1.75 and $14.

### Is GPT-5.3 Codex or Qwen3.7 Plus better for coding?

GPT-5.3 Codex scores higher on coding benchmarks: 48.6 versus 36.6 in the Noometry coding category.

### Which has the bigger context window?

Qwen3.7 Plus does, with 1M tokens against 400K.

### How many benchmarks do GPT-5.3 Codex and Qwen3.7 Plus share?

1 benchmark has published results for both models. GPT-5.3 Codex has 8 scored results on Noometry and Qwen3.7 Plus has 32.