Model comparison
o3-mini vs Solar Pro4
Solar Pro4 is the stronger model overall, scoring 42.1 to 36.7 on the Noometry Index.
Last verified . 17 shared benchmarks.
UpstageSummary
- They share 17 benchmarks with published results for both. o3-mini scores higher in 2 categories and Solar Pro4 in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Solar Pro4 leads 28.5 to 16.3.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $1.10 / $4.40 for o3-mini.
- Solar Pro4 accepts more context: 524K tokens versus 200K.
Side by side
| o3-mini | Solar Pro4 | |
|---|---|---|
| Provider | OpenAI | Upstage |
| Noometry Index | 36.7 | 42.1 |
| Released | 2024-12-20 | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | 200K | 524K |
| Max output | 100K | 131K |
| Input $ / M tokens | $1.10 | $0.30 |
| Output $ / M tokens | $4.40 | $1.20 |
| Results tracked | 51 | 18 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Too close to call
o3-mini: 40.8 (#132), Solar Pro4: 40.1 (#149)
| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1378 | 1437 |
| Aider Polyglot | 60.4% | — |
| LMArena WebDev | — | 1371 |
| SciCode | 39.8% | — |
| GSO | 1.3% | — |
| WeirdML | 43.7% | — |
| LiveBench Coding | 82.7% | — |
| CadEval | 54% | — |
Agentic & Tool Use Not comparable
o3-mini: 29.6 (#84), Solar Pro4: —
| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| Cybench | 22.5% | — |
Reasoning Solar Pro4 leads
o3-mini: 16.3 (#305), Solar Pro4: 28.5 (#104)
| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1366 | 1399 |
| ARC-AGI-2 | 3% | — |
| SimpleBench | 22.8% | — |
| ARC-AGI-1 | 34.5% | — |
| CritPt | 0.3% | — |
| Chess Puzzles | 17% | — |
| LiveBench Reasoning | 89.6% | — |
| Mystery Game Puzzles | 7% | — |
| DTBench | 68.8% | — |
| LiveBench Data Analysis | 70.6% | — |
| LMCA | 19% | — |
| Epoch Capabilities Index | 140.34 | — |
| ForecastBench | 59.6 | — |
| LiveBench | 75.9% | — |
Math Solar Pro4 leads
o3-mini: 28.1 (#244), Solar Pro4: 38.8 (#128)
| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Math | 1396 | 1416 |
| FrontierMath (Tiers 1-3) | 18.6% | — |
| FrontierMath Tier 4 | 0% | — |
| OTIS Mock AIME 2024-2025 | 76.9% | — |
| LiveBench Math | 77.3% | — |
| MATH Level 5 | 96.5% | — |
| FrontierMath (Feb 2025 set) | 12.4% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Solar Pro4 leads
o3-mini: 38.3 (#146), Solar Pro4: 39.8 (#129)
| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1364 | 1427 |
| GPQA Diamond | 77% | — |
| SimpleQA Verified | 15.3% | — |
| Confabulations | 17.9% | — |
Multilingual Solar Pro4 leads
o3-mini: 45.7 (#164), Solar Pro4: 48.7 (#139)
| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1319 | 1361 |
| LMArena Chinese | 1379 | 1415 |
| LMArena French | 1334 | 1397 |
| LMArena German | 1303 | 1364 |
| LMArena Japanese | 1286 | 1309 |
| LMArena Korean | 1314 | 1382 |
| LMArena Russian | 1304 | 1360 |
| LMArena Spanish | 1321 | 1401 |
Instruction Following o3-mini leads
o3-mini: 75.1 (#72), Solar Pro4: 72.7 (#132)
| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1337 | 1377 |
| LiveBench Instruction Following | 84.4% | — |
Long Context Solar Pro4 leads
o3-mini: 33.8 (#256), Solar Pro4: 42.1 (#130)
| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1343 | 1381 |
| Fiction.LiveBench | 50% | — |
Writing & Preference Solar Pro4 leads
o3-mini: 50.3 (#182), Solar Pro4: 56.5 (#138)
| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Text | 1337 | 1386 |
| LMArena Creative Writing | 1286 | 1316 |
| LMArena Multi-Turn | 1320 | 1385 |
| Short-Story Creative Writing | 61.7% | — |
| LiveBench Language | 50.7% | — |
Frequently asked questions
Is o3-mini better than Solar Pro4?
Solar Pro4 is the stronger model overall, scoring 42.1 to 36.7 on the Noometry Index.
Which is cheaper, o3-mini or Solar Pro4?
Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; o3-mini lists at $1.10 and $4.40.
Is o3-mini or Solar Pro4 better for coding?
They score almost the same on coding (40.8 vs 40.1); test both on your own repository before choosing.
Which has the bigger context window?
Solar Pro4 does, with 524K tokens against 200K.
How many benchmarks do o3-mini and Solar Pro4 share?
17 benchmarks have published results for both models. o3-mini has 51 scored results on Noometry and Solar Pro4 has 18.