Model comparison
o3-pro vs Qwen2.5 Plus 1127
o3-pro is the stronger model overall, scoring 42.7 to 38.1 on the Noometry Index.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- The widest gap is in long context, where o3-pro leads 72.1 to 39.2.
Side by side
| o3-pro | Qwen2.5 Plus 1127 | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 42.7 | 38.1 |
| Released | 2025-06-10 | — |
| Weights | Proprietary | Proprietary |
| Context window | 200K | — |
| Max output | 100K | — |
| Input $ / M tokens | $20 | — |
| Output $ / M tokens | $80 | — |
| Results tracked | 12 | 14 |
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Category by category
Coding o3-pro leads
o3-pro: 55.1 (#22), Qwen2.5 Plus 1127: 37.9 (#171)
| Benchmark | o3-pro | Qwen2.5 Plus 1127 |
|---|---|---|
| Aider Polyglot | 84.9% | — |
| WeirdML | 58.2% | — |
| LMArena Coding | — | 1314 |
Reasoning Too close to call
o3-pro: 24.1 (#152), Qwen2.5 Plus 1127: 24.8 (#139)
| Benchmark | o3-pro | Qwen2.5 Plus 1127 |
|---|---|---|
| ARC-AGI-2 | 4.9% | — |
| Kagi LLM Benchmark | 72.1% | — |
| ARC-AGI-1 | 59.3% | — |
| LMArena Hard Prompts | — | 1299 |
| DTBench | 86.9% | — |
| LMCA | 38.5% | — |
| Epoch Capabilities Index | 147.43 | — |
Math Not comparable
o3-pro: —, Qwen2.5 Plus 1127: 33.5 (#175)
| Benchmark | o3-pro | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Math | — | 1298 |
Knowledge Qwen2.5 Plus 1127 leads
o3-pro: 29.0 (#234), Qwen2.5 Plus 1127: 34.9 (#179)
| Benchmark | o3-pro | Qwen2.5 Plus 1127 |
|---|---|---|
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 23.3% | — |
| LMArena Expert | — | 1289 |
Multilingual Not comparable
o3-pro: —, Qwen2.5 Plus 1127: 42.1 (#196)
| Benchmark | o3-pro | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Non-English | — | 1265 |
| LMArena Chinese | — | 1314 |
| LMArena German | — | 1231 |
| LMArena Japanese | — | 1207 |
| LMArena Russian | — | 1271 |
Instruction Following Not comparable
o3-pro: —, Qwen2.5 Plus 1127: 67.4 (#194)
| Benchmark | o3-pro | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | — | 1275 |
Long Context o3-pro leads
o3-pro: 72.1 (#1), Qwen2.5 Plus 1127: 39.2 (#180)
| Benchmark | o3-pro | Qwen2.5 Plus 1127 |
|---|---|---|
| Fiction.LiveBench | 97.2% | — |
| LMArena Longer Query | — | 1292 |
Writing & Preference o3-pro leads
o3-pro: 57.1 (#128), Qwen2.5 Plus 1127: 49.5 (#186)
| Benchmark | o3-pro | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | — | 1299 |
| LMArena Creative Writing | — | 1262 |
| Short-Story Creative Writing | 84.4% | — |
| LMArena Multi-Turn | — | 1299 |
Frequently asked questions
Is o3-pro better than Qwen2.5 Plus 1127?
o3-pro is the stronger model overall, scoring 42.7 to 38.1 on the Noometry Index.
Is o3-pro or Qwen2.5 Plus 1127 better for coding?
o3-pro scores higher on coding benchmarks: 55.1 versus 37.9 in the Noometry coding category.
How many benchmarks do o3-pro and Qwen2.5 Plus 1127 share?
0 benchmarks have published results for both models. o3-pro has 12 scored results on Noometry and Qwen2.5 Plus 1127 has 14.