Model comparison
GPT-5.4 nano vs Qwen2.5 Plus 1127
GPT-5.4 nano is the stronger model overall, scoring 41.9 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 nano scores higher in 7 categories and Qwen2.5 Plus 1127 in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where GPT-5.4 nano leads 48.6 to 41.9.
Side by side
| GPT-5.4 nano | Qwen2.5 Plus 1127 | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 41.9 | 38.8 |
| Released | 2026-03-17 | — |
| Weights | Proprietary | Proprietary |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.20 | — |
| Output $ / M tokens | $1.25 | — |
| Results tracked | 40 | 14 |
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Category by category
Coding GPT-5.4 nano leads
GPT-5.4 nano: 43.6 (#84), Qwen2.5 Plus 1127: 38.5 (#175)
| Benchmark | GPT-5.4 nano | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Coding | 1405 | 1314 |
| SciCode | 46.9% | — |
| WeirdML | 49.2% | — |
| ALE-Bench | 1,005 | — |
Reasoning Qwen2.5 Plus 1127 leads
GPT-5.4 nano: 23.7 (#173), Qwen2.5 Plus 1127: 25.9 (#141)
| Benchmark | GPT-5.4 nano | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Hard Prompts | 1381 | 1299 |
| ARC-AGI-2 | 5.7% | — |
| Kagi LLM Benchmark | 39.7% | — |
| ARC-AGI-1 | 51.5% | — |
| CritPt | 9.3% | — |
| Chess Puzzles | 30% | — |
| Mystery Game Puzzles | 9% | — |
| DTBench | 80.3% | — |
| LMCA | 36.9% | — |
| Epoch Capabilities Index | 145.81 | — |
| ForecastBench | 57.3 | — |
Math GPT-5.4 nano leads
GPT-5.4 nano: 40.9 (#88), Qwen2.5 Plus 1127: 36.1 (#174)
| Benchmark | GPT-5.4 nano | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Math | 1406 | 1298 |
| FrontierMath (Tiers 1-3) | 44.9% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 87.8% | — |
| ProofBench | 5% | — |
| FrontierMath (Feb 2025 set) | 25.9% | — |
| FrontierMath Tier 4 (v1) | 6.3% | — |
Knowledge GPT-5.4 nano leads
GPT-5.4 nano: 41.9 (#103), Qwen2.5 Plus 1127: 35.5 (#183)
| Benchmark | GPT-5.4 nano | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Expert | 1396 | 1289 |
| GPQA Diamond | 78.5% | — |
| SimpleQA Verified | 11.7% | — |
| Vectara Hallucination Rate | 3.1% | — |
Multimodal Not comparable
GPT-5.4 nano: 36.7 (#78), Qwen2.5 Plus 1127: —
| Benchmark | GPT-5.4 nano | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Vision | 1196 | — |
Multilingual GPT-5.4 nano leads
GPT-5.4 nano: 48.6 (#140), Qwen2.5 Plus 1127: 41.9 (#201)
| Benchmark | GPT-5.4 nano | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Non-English | 1359 | 1265 |
| LMArena Chinese | 1392 | 1314 |
| LMArena German | 1367 | 1231 |
| LMArena Japanese | 1343 | 1207 |
| LMArena Russian | 1363 | 1271 |
| LMArena French | 1396 | — |
| LMArena Korean | 1320 | — |
| LMArena Spanish | 1371 | — |
Instruction Following GPT-5.4 nano leads
GPT-5.4 nano: 71.9 (#144), Qwen2.5 Plus 1127: 67.2 (#199)
| Benchmark | GPT-5.4 nano | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | 1362 | 1275 |
Long Context GPT-5.4 nano leads
GPT-5.4 nano: 41.6 (#137), Qwen2.5 Plus 1127: 39.2 (#184)
| Benchmark | GPT-5.4 nano | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Longer Query | 1366 | 1292 |
Writing & Preference GPT-5.4 nano leads
GPT-5.4 nano: 55.7 (#142), Qwen2.5 Plus 1127: 49.4 (#192)
| Benchmark | GPT-5.4 nano | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | 1372 | 1299 |
| LMArena Creative Writing | 1314 | 1262 |
| LMArena Multi-Turn | 1382 | 1299 |
Frequently asked questions
Is GPT-5.4 nano better than Qwen2.5 Plus 1127?
GPT-5.4 nano is the stronger model overall, scoring 41.9 to 38.8 on the Noometry Index.
Is GPT-5.4 nano or Qwen2.5 Plus 1127 better for coding?
GPT-5.4 nano scores higher on coding benchmarks: 43.6 versus 38.5 in the Noometry coding category.
How many benchmarks do GPT-5.4 nano and Qwen2.5 Plus 1127 share?
14 benchmarks have published results for both models. GPT-5.4 nano has 40 scored results on Noometry and Qwen2.5 Plus 1127 has 14.