Model comparison
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.
Last verified . 1 shared benchmarks.
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.
Side by side
| GPT-5.3 Codex | Qwen3.7 Plus | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 45.8 | 45.3 |
| Released | 2026-02-05 | 2026-06-02 |
| Weights | Proprietary | Proprietary |
| Context window | 400K | 1M |
| Max output | 128K | 131K |
| Input $ / M tokens | $1.75 | $0.40 |
| Output $ / M tokens | $14 | $1.60 |
| Results tracked | 8 | 32 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GPT-5.3 Codex leads
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 leads
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 Not comparable
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 Not comparable
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 Not comparable
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 Not comparable
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 Not comparable
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 Not comparable
GPT-5.3 Codex: —, Qwen3.7 Plus: 75.8 (#52)
| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| LMArena Instruction Following | — | 1440 |
Long Context Not comparable
GPT-5.3 Codex: —, Qwen3.7 Plus: 44.5 (#65)
| Benchmark | GPT-5.3 Codex | Qwen3.7 Plus |
|---|---|---|
| LMArena Longer Query | — | 1455 |
Writing & Preference Not comparable
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 |
Frequently asked questions
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.