Model comparison
GPT-5.4 mini vs Qwen2.5 Plus 1127
GPT-5.4 mini is the stronger model overall, scoring 45.0 to 38.8 on the Noometry Index.
Last verified . 14 shared benchmarks.
Alibaba (Qwen)Summary
- They share 14 benchmarks with published results for both. GPT-5.4 mini scores higher in 8 categories and Qwen2.5 Plus 1127 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.4 mini leads 51.5 to 35.5.
Side by side
| GPT-5.4 mini | Qwen2.5 Plus 1127 | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 45.0 | 38.8 |
| Released | 2026-03-17 | — |
| Weights | Proprietary | Proprietary |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.75 | — |
| Output $ / M tokens | $4.50 | — |
| Results tracked | 46 | 14 |
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Category by category
Coding GPT-5.4 mini leads
GPT-5.4 mini: 45.2 (#72), Qwen2.5 Plus 1127: 38.5 (#175)
| Benchmark | GPT-5.4 mini | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Coding | 1438 | 1314 |
| FrontierCode | 27% | — |
| LMArena WebDev | 1397 | — |
| SciCode | 49.9% | — |
| WeirdML | 60.3% | — |
| ALE-Bench | 1,189 | — |
Agentic & Tool Use Not comparable
GPT-5.4 mini: 29.9 (#81), Qwen2.5 Plus 1127: —
| Benchmark | GPT-5.4 mini | Qwen2.5 Plus 1127 |
|---|---|---|
| DeepResearch Bench | 36.3% | — |
Reasoning GPT-5.4 mini leads
GPT-5.4 mini: 30.4 (#85), Qwen2.5 Plus 1127: 25.9 (#141)
| Benchmark | GPT-5.4 mini | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1299 |
| ARC-AGI-2 | 18.9% | — |
| Kagi LLM Benchmark | 37.9% | — |
| NYT Connections (extended) | 61.8% | — |
| ARC-AGI-1 | 63.7% | — |
| CritPt | 10% | — |
| Chess Puzzles | 24% | — |
| Thematic Generalization | 61.7% | — |
| Mystery Game Puzzles | 11% | — |
| DTBench | 80% | — |
| LMCA | 40.8% | — |
| Epoch Capabilities Index | 148.84 | — |
| ForecastBench | 57 | — |
Math GPT-5.4 mini leads
GPT-5.4 mini: 45.5 (#75), Qwen2.5 Plus 1127: 36.1 (#174)
| Benchmark | GPT-5.4 mini | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Math | 1419 | 1298 |
| FrontierMath (Tiers 1-3) | 51.2% | — |
| FrontierMath Tier 4 | 9.8% | — |
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 21% | — |
| FrontierMath (Feb 2025 set) | 28.3% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge GPT-5.4 mini leads
GPT-5.4 mini: 51.5 (#67), Qwen2.5 Plus 1127: 35.5 (#183)
| Benchmark | GPT-5.4 mini | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Expert | 1435 | 1289 |
| GPQA Diamond | 86.9% | — |
| SimpleQA Verified | 29.4% | — |
| Vectara Hallucination Rate | 5.5% | — |
Multimodal Not comparable
GPT-5.4 mini: 39.7 (#56), Qwen2.5 Plus 1127: —
| Benchmark | GPT-5.4 mini | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Vision | 1245 | — |
Multilingual GPT-5.4 mini leads
GPT-5.4 mini: 51.9 (#96), Qwen2.5 Plus 1127: 41.9 (#201)
| Benchmark | GPT-5.4 mini | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Non-English | 1405 | 1265 |
| LMArena Chinese | 1446 | 1314 |
| LMArena German | 1409 | 1231 |
| LMArena Japanese | 1374 | 1207 |
| LMArena Russian | 1417 | 1271 |
| LMArena French | 1440 | — |
| LMArena Korean | 1368 | — |
| LMArena Spanish | 1405 | — |
Instruction Following GPT-5.4 mini leads
GPT-5.4 mini: 74.1 (#102), Qwen2.5 Plus 1127: 67.2 (#199)
| Benchmark | GPT-5.4 mini | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | 1405 | 1275 |
Long Context GPT-5.4 mini leads
GPT-5.4 mini: 43.0 (#112), Qwen2.5 Plus 1127: 39.2 (#184)
| Benchmark | GPT-5.4 mini | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Longer Query | 1407 | 1292 |
Writing & Preference GPT-5.4 mini leads
GPT-5.4 mini: 64.0 (#58), Qwen2.5 Plus 1127: 49.4 (#192)
| Benchmark | GPT-5.4 mini | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | 1412 | 1299 |
| LMArena Creative Writing | 1370 | 1262 |
| LMArena Multi-Turn | 1429 | 1299 |
| EQ-Bench Creative Writing | 1665 | — |
Frequently asked questions
Is GPT-5.4 mini better than Qwen2.5 Plus 1127?
GPT-5.4 mini is the stronger model overall, scoring 45.0 to 38.8 on the Noometry Index.
Is GPT-5.4 mini or Qwen2.5 Plus 1127 better for coding?
GPT-5.4 mini scores higher on coding benchmarks: 45.2 versus 38.5 in the Noometry coding category.
How many benchmarks do GPT-5.4 mini and Qwen2.5 Plus 1127 share?
14 benchmarks have published results for both models. GPT-5.4 mini has 46 scored results on Noometry and Qwen2.5 Plus 1127 has 14.