Model comparison
Qwen2.5 Plus 1127 vs Solar Pro4
Solar Pro4 is the stronger model overall, scoring 41.5 to 38.1 on the Noometry Index.
Last verified . 14 shared benchmarks.
Alibaba (Qwen)
UpstageSummary
- They share 14 benchmarks with published results for both. Qwen2.5 Plus 1127 scores higher in 0 categories and Solar Pro4 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Solar Pro4 leads 56.7 to 49.5.
Side by side
| Qwen2.5 Plus 1127 | Solar Pro4 | |
|---|---|---|
| Provider | Alibaba (Qwen) | Upstage |
| Noometry Index | 38.1 | 41.5 |
| Released | — | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | — | 524K |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $1.20 |
| Results tracked | 14 | 18 |
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Category by category
Coding Solar Pro4 leads
Qwen2.5 Plus 1127: 37.9 (#171), Solar Pro4: 39.9 (#135)
| Benchmark | Qwen2.5 Plus 1127 | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1314 | 1439 |
| LMArena WebDev | — | 1371 |
Reasoning Solar Pro4 leads
Qwen2.5 Plus 1127: 24.8 (#139), Solar Pro4: 27.3 (#107)
| Benchmark | Qwen2.5 Plus 1127 | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1299 | 1398 |
Math Solar Pro4 leads
Qwen2.5 Plus 1127: 33.5 (#175), Solar Pro4: 36.1 (#129)
| Benchmark | Qwen2.5 Plus 1127 | Solar Pro4 |
|---|---|---|
| LMArena Math | 1298 | 1418 |
Knowledge Solar Pro4 leads
Qwen2.5 Plus 1127: 34.9 (#179), Solar Pro4: 39.0 (#128)
| Benchmark | Qwen2.5 Plus 1127 | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1289 | 1421 |
Multilingual Solar Pro4 leads
Qwen2.5 Plus 1127: 42.1 (#196), Solar Pro4: 49.0 (#134)
| Benchmark | Qwen2.5 Plus 1127 | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1265 | 1362 |
| LMArena Chinese | 1314 | 1417 |
| LMArena German | 1231 | 1351 |
| LMArena Japanese | 1207 | 1300 |
| LMArena Russian | 1271 | 1360 |
| LMArena French | — | 1403 |
| LMArena Korean | — | 1383 |
| LMArena Spanish | — | 1408 |
Instruction Following Solar Pro4 leads
Qwen2.5 Plus 1127: 67.4 (#194), Solar Pro4: 72.8 (#128)
| Benchmark | Qwen2.5 Plus 1127 | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1275 | 1376 |
Long Context Solar Pro4 leads
Qwen2.5 Plus 1127: 39.2 (#180), Solar Pro4: 42.0 (#125)
| Benchmark | Qwen2.5 Plus 1127 | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1292 | 1379 |
Writing & Preference Solar Pro4 leads
Qwen2.5 Plus 1127: 49.5 (#186), Solar Pro4: 56.7 (#133)
| Benchmark | Qwen2.5 Plus 1127 | Solar Pro4 |
|---|---|---|
| LMArena Text | 1299 | 1386 |
| LMArena Creative Writing | 1262 | 1313 |
| LMArena Multi-Turn | 1299 | 1391 |
Frequently asked questions
Is Qwen2.5 Plus 1127 better than Solar Pro4?
Solar Pro4 is the stronger model overall, scoring 41.5 to 38.1 on the Noometry Index.
Is Qwen2.5 Plus 1127 or Solar Pro4 better for coding?
Solar Pro4 scores higher on coding benchmarks: 39.9 versus 37.9 in the Noometry coding category.
How many benchmarks do Qwen2.5 Plus 1127 and Solar Pro4 share?
14 benchmarks have published results for both models. Qwen2.5 Plus 1127 has 14 scored results on Noometry and Solar Pro4 has 18.