# GPT-5.3 Codex vs Qwen2-72B

> GPT-5.3 Codex is the stronger model overall, scoring 45.8 to 30.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-3-codex-vs-qwen2-72b
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. GPT-5.3 Codex scores higher in 2 categories and Qwen2-72B 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 17.0.
- The biggest single-benchmark swing is WeirdML: 79.3% for GPT-5.3 Codex and 11.3% for Qwen2-72B.
- Qwen2-72B has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.3 Codex | Qwen2-72B |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 45.8 | 30.0 |
| Rank | 69 | 300 |
| Context | 400K | — |
| Input $/M | $1.75 | — |
| Output $/M | $14 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5.3 Codex: 48.6 (#56)
- Qwen2-72B: 29.1 (#310)

| Benchmark | GPT-5.3 Codex | Qwen2-72B |
|---|---|---|
| WeirdML | 79.3% | 11.3% |
| SWE-bench Verified | 74.8% | — |
| LMArena WebDev | 1409 | — |
| BigCodeBench Instruct | — | 38.5% |
| LMArena Coding | — | 1196 |
| BigCodeBench Complete | — | 54% |
| ALE-Bench | 1,655 | — |

## Agentic & Tool Use

- GPT-5.3 Codex: 48.0 (#9)
- Qwen2-72B: 17.0 (#146)

| Benchmark | GPT-5.3 Codex | Qwen2-72B |
|---|---|---|
| METR Time Horizons | 74.5% | 29.9% |
| Terminal-Bench | 78.4% | — |
| TheAgentCompany | — | 1.1% |
| Vending-Bench 2 | 5,940 | — |

## Reasoning

- GPT-5.3 Codex: —
- Qwen2-72B: 23.2 (#181)

| Benchmark | GPT-5.3 Codex | Qwen2-72B |
|---|---|---|
| Epoch Capabilities Index | 156.77 | 125.28 |
| LMArena Hard Prompts | — | 1191 |

## Math

- GPT-5.3 Codex: —
- Qwen2-72B: 30.2 (#236)

| Benchmark | GPT-5.3 Codex | Qwen2-72B |
|---|---|---|
| LMArena Math | — | 1235 |
| MATH Level 5 | — | 39.1% |

## Knowledge

- GPT-5.3 Codex: —
- Qwen2-72B: 21.2 (#275)

| Benchmark | GPT-5.3 Codex | Qwen2-72B |
|---|---|---|
| GPQA Diamond | — | 40.8% |
| LMArena Expert | — | 1171 |
| MMLU | — | 82.4% |

## Multilingual

- GPT-5.3 Codex: —
- Qwen2-72B: 35.9 (#244)

| Benchmark | GPT-5.3 Codex | Qwen2-72B |
|---|---|---|
| LMArena Non-English | — | 1176 |
| LMArena Chinese | — | 1240 |
| LMArena French | — | 1170 |
| LMArena German | — | 1151 |
| LMArena Japanese | — | 1111 |
| LMArena Korean | — | 1083 |
| LMArena Russian | — | 1169 |
| LMArena Spanish | — | 1169 |

## Instruction Following

- GPT-5.3 Codex: —
- Qwen2-72B: 61.7 (#241)

| Benchmark | GPT-5.3 Codex | Qwen2-72B |
|---|---|---|
| LMArena Instruction Following | — | 1181 |

## Long Context

- GPT-5.3 Codex: —
- Qwen2-72B: 36.1 (#235)

| Benchmark | GPT-5.3 Codex | Qwen2-72B |
|---|---|---|
| LMArena Longer Query | — | 1192 |

## Writing & Preference

- GPT-5.3 Codex: —
- Qwen2-72B: 40.8 (#241)

| Benchmark | GPT-5.3 Codex | Qwen2-72B |
|---|---|---|
| LMArena Text | — | 1203 |
| LMArena Creative Writing | — | 1181 |
| LMArena Multi-Turn | — | 1196 |

## FAQ

### Is GPT-5.3 Codex better than Qwen2-72B?

GPT-5.3 Codex is the stronger model overall, scoring 45.8 to 30.0 on the Noometry Index.

### Is GPT-5.3 Codex or Qwen2-72B better for coding?

GPT-5.3 Codex scores higher on coding benchmarks: 48.6 versus 29.1 in the Noometry coding category.

### How many benchmarks do GPT-5.3 Codex and Qwen2-72B share?

3 benchmarks have published results for both models. GPT-5.3 Codex has 8 scored results on Noometry and Qwen2-72B has 26.