# Olmo 3.1 32b Think vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 41.5 to 37.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/olmo-3-1-32b-think-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 15

## Summary

- They share 15 benchmarks with published results for both. Olmo 3.1 32b Think scores higher in 0 categories and Solar Pro4 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Solar Pro4 leads 49.0 to 38.3.
- Olmo 3.1 32b Think has downloadable open weights; the other is API-only.

## Snapshot

| | Olmo 3.1 32b Think | Solar Pro4 |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Upstage |
| Noometry Index | 37.3 | 41.5 |
| Rank | 191 | 123 |
| Context | — | 524K |
| Input $/M | — | $0.30 |
| Output $/M | — | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Olmo 3.1 32b Think: 37.1 (#186)
- Solar Pro4: 39.9 (#135)

| Benchmark | Olmo 3.1 32b Think | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1292 | 1439 |
| LMArena WebDev | — | 1371 |

## Reasoning

- Olmo 3.1 32b Think: 24.1 (#151)
- Solar Pro4: 27.3 (#107)

| Benchmark | Olmo 3.1 32b Think | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1272 | 1398 |

## Math

- Olmo 3.1 32b Think: 33.6 (#170)
- Solar Pro4: 36.1 (#129)

| Benchmark | Olmo 3.1 32b Think | Solar Pro4 |
|---|---|---|
| LMArena Math | 1305 | 1418 |

## Knowledge

- Olmo 3.1 32b Think: 35.0 (#178)
- Solar Pro4: 39.0 (#128)

| Benchmark | Olmo 3.1 32b Think | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1294 | 1421 |

## Multilingual

- Olmo 3.1 32b Think: 38.3 (#226)
- Solar Pro4: 49.0 (#134)

| Benchmark | Olmo 3.1 32b Think | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1210 | 1362 |
| LMArena Chinese | 1241 | 1417 |
| LMArena French | 1262 | 1403 |
| LMArena German | 1260 | 1351 |
| LMArena Russian | 1193 | 1360 |
| LMArena Spanish | 1288 | 1408 |
| LMArena Japanese | — | 1300 |
| LMArena Korean | — | 1383 |

## Instruction Following

- Olmo 3.1 32b Think: 65.8 (#213)
- Solar Pro4: 72.8 (#128)

| Benchmark | Olmo 3.1 32b Think | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1246 | 1376 |

## Long Context

- Olmo 3.1 32b Think: 38.6 (#190)
- Solar Pro4: 42.0 (#125)

| Benchmark | Olmo 3.1 32b Think | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1272 | 1379 |

## Writing & Preference

- Olmo 3.1 32b Think: 46.4 (#215)
- Solar Pro4: 56.7 (#133)

| Benchmark | Olmo 3.1 32b Think | Solar Pro4 |
|---|---|---|
| LMArena Text | 1271 | 1386 |
| LMArena Creative Writing | 1226 | 1313 |
| LMArena Multi-Turn | 1252 | 1391 |

## FAQ

### Is Olmo 3.1 32b Think better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 41.5 to 37.3 on the Noometry Index.

### Is Olmo 3.1 32b Think or Solar Pro4 better for coding?

Solar Pro4 scores higher on coding benchmarks: 39.9 versus 37.1 in the Noometry coding category.

### How many benchmarks do Olmo 3.1 32b Think and Solar Pro4 share?

15 benchmarks have published results for both models. Olmo 3.1 32b Think has 15 scored results on Noometry and Solar Pro4 has 18.