# o3-mini vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 41.5 to 36.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o3-mini-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- 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 27.3 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.

## Snapshot

| | o3-mini | Solar Pro4 |
|---|---|---|
| Provider | OpenAI | Upstage |
| Noometry Index | 36.7 | 41.5 |
| Rank | 205 | 123 |
| Context | 200K | 524K |
| Input $/M | $1.10 | $0.30 |
| Output $/M | $4.40 | $1.20 |
| Weights | Proprietary | Proprietary |

## Coding

- o3-mini: 41.4 (#116)
- Solar Pro4: 39.9 (#135)

| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1378 | 1439 |
| 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

- o3-mini: 29.3 (#79)
- Solar Pro4: —

| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| Cybench | 22.5% | — |

## Reasoning

- o3-mini: 16.3 (#295)
- Solar Pro4: 27.3 (#107)

| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1366 | 1398 |
| 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 | 140.35 | — |
| ForecastBench | 59.6 | — |
| LiveBench | 75.9% | — |

## Math

- o3-mini: 27.6 (#236)
- Solar Pro4: 36.1 (#129)

| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Math | 1396 | 1418 |
| 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

- o3-mini: 38.3 (#135)
- Solar Pro4: 39.0 (#128)

| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1364 | 1421 |
| GPQA Diamond | 77% | — |
| SimpleQA Verified | 15.3% | — |
| Confabulations | 17.9% | — |

## Multilingual

- o3-mini: 45.9 (#159)
- Solar Pro4: 49.0 (#134)

| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1319 | 1362 |
| LMArena Chinese | 1379 | 1417 |
| LMArena French | 1333 | 1403 |
| LMArena German | 1303 | 1351 |
| LMArena Japanese | 1286 | 1300 |
| LMArena Korean | 1314 | 1383 |
| LMArena Russian | 1304 | 1360 |
| LMArena Spanish | 1321 | 1408 |

## Instruction Following

- o3-mini: 75.3 (#67)
- Solar Pro4: 72.8 (#128)

| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1338 | 1376 |
| LiveBench Instruction Following | 84.4% | — |

## Long Context

- o3-mini: 33.8 (#251)
- Solar Pro4: 42.0 (#125)

| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1343 | 1379 |
| Fiction.LiveBench | 50% | — |

## Writing & Preference

- o3-mini: 50.4 (#177)
- Solar Pro4: 56.7 (#133)

| Benchmark | o3-mini | Solar Pro4 |
|---|---|---|
| LMArena Text | 1337 | 1386 |
| LMArena Creative Writing | 1286 | 1313 |
| LMArena Multi-Turn | 1320 | 1391 |
| Short-Story Creative Writing | 61.7% | — |
| LiveBench Language | 50.7% | — |

## FAQ

### Is o3-mini better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 41.5 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?

o3-mini scores higher on coding benchmarks: 41.4 versus 39.9 in the Noometry coding category.

### 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.