# o1-pro vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 42.1 to 31.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o1-pro-vs-solar-pro4
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where Solar Pro4 leads 39.8 to 29.7.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $150 / $600 for o1-pro.
- Solar Pro4 accepts more context: 524K tokens versus 200K.

## Snapshot

| | o1-pro | Solar Pro4 |
|---|---|---|
| Provider | OpenAI | Upstage |
| Noometry Index | 31.5 | 42.1 |
| Rank | 271 | 121 |
| Context | 200K | 524K |
| Input $/M | $150 | $0.30 |
| Output $/M | $600 | $1.20 |
| Weights | Proprietary | Proprietary |

## Coding

- o1-pro: —
- Solar Pro4: 40.1 (#149)

| Benchmark | o1-pro | Solar Pro4 |
|---|---|---|
| LMArena WebDev | — | 1371 |
| LMArena Coding | — | 1437 |

## Reasoning

- o1-pro: 20.4 (#239)
- Solar Pro4: 28.5 (#104)

| Benchmark | o1-pro | Solar Pro4 |
|---|---|---|
| ARC-AGI-1 | 23.3% | — |
| EnigmaEval | 6.1% | — |
| LMArena Hard Prompts | — | 1399 |

## Math

- o1-pro: —
- Solar Pro4: 38.8 (#128)

| Benchmark | o1-pro | Solar Pro4 |
|---|---|---|
| LMArena Math | — | 1416 |

## Knowledge

- o1-pro: 29.7 (#234)
- Solar Pro4: 39.8 (#129)

| Benchmark | o1-pro | Solar Pro4 |
|---|---|---|
| Humanity's Last Exam | 8.1% | — |
| LMArena Expert | — | 1427 |

## Multilingual

- o1-pro: —
- Solar Pro4: 48.7 (#139)

| Benchmark | o1-pro | Solar Pro4 |
|---|---|---|
| LMArena Non-English | — | 1361 |
| LMArena Chinese | — | 1415 |
| LMArena French | — | 1397 |
| LMArena German | — | 1364 |
| LMArena Japanese | — | 1309 |
| LMArena Korean | — | 1382 |
| LMArena Russian | — | 1360 |
| LMArena Spanish | — | 1401 |

## Instruction Following

- o1-pro: —
- Solar Pro4: 72.7 (#132)

| Benchmark | o1-pro | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | — | 1377 |

## Long Context

- o1-pro: —
- Solar Pro4: 42.1 (#130)

| Benchmark | o1-pro | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | — | 1381 |

## Writing & Preference

- o1-pro: —
- Solar Pro4: 56.5 (#138)

| Benchmark | o1-pro | Solar Pro4 |
|---|---|---|
| LMArena Text | — | 1386 |
| LMArena Creative Writing | — | 1316 |
| LMArena Multi-Turn | — | 1385 |

## FAQ

### Is o1-pro better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 42.1 to 31.5 on the Noometry Index.

### Which is cheaper, o1-pro or Solar Pro4?

Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; o1-pro lists at $150 and $600.

### Which has the bigger context window?

Solar Pro4 does, with 524K tokens against 200K.

### How many benchmarks do o1-pro and Solar Pro4 share?

0 benchmarks have published results for both models. o1-pro has 3 scored results on Noometry and Solar Pro4 has 18.