Model comparison
Phi 3 Medium 4k Instruct vs Solar Pro4
Solar Pro4 is the stronger model overall, scoring 42.1 to 33.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
Microsoft
UpstageSummary
- They share 17 benchmarks with published results for both. Phi 3 Medium 4k Instruct 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 56.5 to 34.1.
- Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.
Side by side
| Phi 3 Medium 4k Instruct | Solar Pro4 | |
|---|---|---|
| Provider | Microsoft | Upstage |
| Noometry Index | 33.0 | 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 | 17 | 18 |
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Category by category
Coding Solar Pro4 leads
Phi 3 Medium 4k Instruct: 32.9 (#268), Solar Pro4: 40.1 (#149)
| Benchmark | Phi 3 Medium 4k Instruct | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1130 | 1437 |
| LMArena WebDev | — | 1371 |
Reasoning Solar Pro4 leads
Phi 3 Medium 4k Instruct: 21.7 (#214), Solar Pro4: 28.5 (#104)
| Benchmark | Phi 3 Medium 4k Instruct | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1127 | 1399 |
Math Solar Pro4 leads
Phi 3 Medium 4k Instruct: 33.4 (#202), Solar Pro4: 38.8 (#128)
| Benchmark | Phi 3 Medium 4k Instruct | Solar Pro4 |
|---|---|---|
| LMArena Math | 1173 | 1416 |
Knowledge Solar Pro4 leads
Phi 3 Medium 4k Instruct: 30.2 (#229), Solar Pro4: 39.8 (#129)
| Benchmark | Phi 3 Medium 4k Instruct | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1108 | 1427 |
Multilingual Solar Pro4 leads
Phi 3 Medium 4k Instruct: 30.6 (#263), Solar Pro4: 48.7 (#139)
| Benchmark | Phi 3 Medium 4k Instruct | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1094 | 1361 |
| LMArena Chinese | 1108 | 1415 |
| LMArena French | 1110 | 1397 |
| LMArena German | 1101 | 1364 |
| LMArena Japanese | 1042 | 1309 |
| LMArena Korean | 954 | 1382 |
| LMArena Russian | 1145 | 1360 |
| LMArena Spanish | 1095 | 1401 |
Instruction Following Solar Pro4 leads
Phi 3 Medium 4k Instruct: 57.6 (#268), Solar Pro4: 72.7 (#132)
| Benchmark | Phi 3 Medium 4k Instruct | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1113 | 1377 |
Long Context Solar Pro4 leads
Phi 3 Medium 4k Instruct: 34.0 (#255), Solar Pro4: 42.1 (#130)
| Benchmark | Phi 3 Medium 4k Instruct | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1120 | 1381 |
Writing & Preference Solar Pro4 leads
Phi 3 Medium 4k Instruct: 34.1 (#272), Solar Pro4: 56.5 (#138)
| Benchmark | Phi 3 Medium 4k Instruct | Solar Pro4 |
|---|---|---|
| LMArena Text | 1138 | 1386 |
| LMArena Creative Writing | 1107 | 1316 |
| LMArena Multi-Turn | 1088 | 1385 |
Frequently asked questions
Is Phi 3 Medium 4k Instruct better than Solar Pro4?
Solar Pro4 is the stronger model overall, scoring 42.1 to 33.0 on the Noometry Index.
Is Phi 3 Medium 4k Instruct or Solar Pro4 better for coding?
Solar Pro4 scores higher on coding benchmarks: 40.1 versus 32.9 in the Noometry coding category.
How many benchmarks do Phi 3 Medium 4k Instruct and Solar Pro4 share?
17 benchmarks have published results for both models. Phi 3 Medium 4k Instruct has 17 scored results on Noometry and Solar Pro4 has 18.