Model comparison
Granite 4.1 8b vs Solar Pro4
Solar Pro4 is the stronger model overall, scoring 42.1 to 37.4 on the Noometry Index.
Last verified . 13 shared benchmarks.
UpstageSummary
- They share 13 benchmarks with published results for both. Granite 4.1 8b scores higher in 0 categories and Solar Pro4 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where Solar Pro4 leads 40.1 to 30.1.
- Granite 4.1 8b has downloadable open weights; the other is API-only.
Side by side
| Granite 4.1 8b | Solar Pro4 | |
|---|---|---|
| Provider | IBM | Upstage |
| Noometry Index | 37.4 | 42.1 |
| Released | — | 2026-08-06 |
| Weights | Open | Proprietary |
| Context window | — | 524K |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $1.20 |
| Results tracked | 13 | 18 |
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Category by category
Coding Solar Pro4 leads
Granite 4.1 8b: 30.1 (#297), Solar Pro4: 40.1 (#149)
| Benchmark | Granite 4.1 8b | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1192 | 1371 |
| LMArena Coding | 1312 | 1437 |
Reasoning Solar Pro4 leads
Granite 4.1 8b: 25.7 (#143), Solar Pro4: 28.5 (#104)
| Benchmark | Granite 4.1 8b | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1293 | 1399 |
Math Solar Pro4 leads
Granite 4.1 8b: 36.4 (#166), Solar Pro4: 38.8 (#128)
| Benchmark | Granite 4.1 8b | Solar Pro4 |
|---|---|---|
| LMArena Math | 1312 | 1416 |
Knowledge Solar Pro4 leads
Granite 4.1 8b: 36.1 (#174), Solar Pro4: 39.8 (#129)
| Benchmark | Granite 4.1 8b | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1309 | 1427 |
Multilingual Solar Pro4 leads
Granite 4.1 8b: 41.7 (#204), Solar Pro4: 48.7 (#139)
| Benchmark | Granite 4.1 8b | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1261 | 1361 |
| LMArena Chinese | 1337 | 1415 |
| LMArena Russian | 1240 | 1360 |
| LMArena French | — | 1397 |
| LMArena German | — | 1364 |
| LMArena Japanese | — | 1309 |
| LMArena Korean | — | 1382 |
| LMArena Spanish | — | 1401 |
Instruction Following Solar Pro4 leads
Granite 4.1 8b: 66.9 (#203), Solar Pro4: 72.7 (#132)
| Benchmark | Granite 4.1 8b | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1269 | 1377 |
Long Context Solar Pro4 leads
Granite 4.1 8b: 38.7 (#193), Solar Pro4: 42.1 (#130)
| Benchmark | Granite 4.1 8b | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1275 | 1381 |
Writing & Preference Solar Pro4 leads
Granite 4.1 8b: 48.1 (#204), Solar Pro4: 56.5 (#138)
| Benchmark | Granite 4.1 8b | Solar Pro4 |
|---|---|---|
| LMArena Text | 1290 | 1386 |
| LMArena Creative Writing | 1251 | 1316 |
| LMArena Multi-Turn | 1268 | 1385 |
Frequently asked questions
Is Granite 4.1 8b better than Solar Pro4?
Solar Pro4 is the stronger model overall, scoring 42.1 to 37.4 on the Noometry Index.
Is Granite 4.1 8b or Solar Pro4 better for coding?
Solar Pro4 scores higher on coding benchmarks: 40.1 versus 30.1 in the Noometry coding category.
How many benchmarks do Granite 4.1 8b and Solar Pro4 share?
13 benchmarks have published results for both models. Granite 4.1 8b has 13 scored results on Noometry and Solar Pro4 has 18.