Model comparison
Olmo 2 0325 32b Instruct vs Solar Pro4
Solar Pro4 is the stronger model overall, scoring 42.1 to 32.7 on the Noometry Index.
Last verified . 11 shared benchmarks.
Allen Institute for AI (Ai2)
UpstageSummary
- They share 11 benchmarks with published results for both. Olmo 2 0325 32b Instruct scores higher in 0 categories and Solar Pro4 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Solar Pro4 leads 39.8 to 19.5.
- Olmo 2 0325 32b Instruct has downloadable open weights; the other is API-only.
Side by side
| Olmo 2 0325 32b Instruct | Solar Pro4 | |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Upstage |
| Noometry Index | 32.7 | 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 | 16 | 18 |
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Category by category
Coding Solar Pro4 leads
Olmo 2 0325 32b Instruct: 35.2 (#227), Solar Pro4: 40.1 (#149)
| Benchmark | Olmo 2 0325 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1210 | 1437 |
| LMArena WebDev | — | 1371 |
Reasoning Solar Pro4 leads
Olmo 2 0325 32b Instruct: 23.6 (#175), Solar Pro4: 28.5 (#104)
| Benchmark | Olmo 2 0325 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1208 | 1399 |
Math Solar Pro4 leads
Olmo 2 0325 32b Instruct: 26.8 (#255), Solar Pro4: 38.8 (#128)
| Benchmark | Olmo 2 0325 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Math | 1208 | 1416 |
| Omni-MATH | 16.1% | — |
Knowledge Solar Pro4 leads
Olmo 2 0325 32b Instruct: 19.5 (#279), Solar Pro4: 39.8 (#129)
| Benchmark | Olmo 2 0325 32b Instruct | Solar Pro4 |
|---|---|---|
| MMLU-Pro | 41.4% | — |
| GPQA (HELM) | 28.7% | — |
| LMArena Expert | — | 1427 |
Multilingual Solar Pro4 leads
Olmo 2 0325 32b Instruct: 34.8 (#248), Solar Pro4: 48.7 (#139)
| Benchmark | Olmo 2 0325 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1160 | 1361 |
| LMArena Chinese | 1192 | 1415 |
| LMArena Russian | 1187 | 1360 |
| LMArena French | — | 1397 |
| LMArena German | — | 1364 |
| LMArena Japanese | — | 1309 |
| LMArena Korean | — | 1382 |
| LMArena Spanish | — | 1401 |
Instruction Following Solar Pro4 leads
Olmo 2 0325 32b Instruct: 61.5 (#244), Solar Pro4: 72.7 (#132)
| Benchmark | Olmo 2 0325 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1186 | 1377 |
| IFEval | 78% | — |
Long Context Solar Pro4 leads
Olmo 2 0325 32b Instruct: 36.2 (#234), Solar Pro4: 42.1 (#130)
| Benchmark | Olmo 2 0325 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1194 | 1381 |
Writing & Preference Solar Pro4 leads
Olmo 2 0325 32b Instruct: 42.1 (#236), Solar Pro4: 56.5 (#138)
| Benchmark | Olmo 2 0325 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Text | 1218 | 1386 |
| LMArena Creative Writing | 1199 | 1316 |
| LMArena Multi-Turn | 1221 | 1385 |
| WildBench | 73.4% | — |
Frequently asked questions
Is Olmo 2 0325 32b Instruct better than Solar Pro4?
Solar Pro4 is the stronger model overall, scoring 42.1 to 32.7 on the Noometry Index.
Is Olmo 2 0325 32b Instruct or Solar Pro4 better for coding?
Solar Pro4 scores higher on coding benchmarks: 40.1 versus 35.2 in the Noometry coding category.
How many benchmarks do Olmo 2 0325 32b Instruct and Solar Pro4 share?
11 benchmarks have published results for both models. Olmo 2 0325 32b Instruct has 16 scored results on Noometry and Solar Pro4 has 18.