# Olmo 3.1 32b Instruct vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 41.5 to 38.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/olmo-3-1-32b-instruct-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Olmo 3.1 32b 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 56.7 to 50.4.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Olmo 3.1 32b Instruct | Solar Pro4 |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | Upstage |
| Noometry Index | 38.8 | 41.5 |
| Rank | 168 | 123 |
| Context | — | 524K |
| Input $/M | — | $0.30 |
| Output $/M | — | $1.20 |
| Weights | Open | Proprietary |

## Coding

- Olmo 3.1 32b Instruct: 38.9 (#154)
- Solar Pro4: 39.9 (#135)

| Benchmark | Olmo 3.1 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Coding | 1346 | 1439 |
| LMArena WebDev | — | 1371 |

## Reasoning

- Olmo 3.1 32b Instruct: 25.4 (#131)
- Solar Pro4: 27.3 (#107)

| Benchmark | Olmo 3.1 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1322 | 1398 |

## Math

- Olmo 3.1 32b Instruct: 33.6 (#169)
- Solar Pro4: 36.1 (#129)

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

## Knowledge

- Olmo 3.1 32b Instruct: 35.4 (#175)
- Solar Pro4: 39.0 (#128)

| Benchmark | Olmo 3.1 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1307 | 1421 |

## Multilingual

- Olmo 3.1 32b Instruct: 42.8 (#185)
- Solar Pro4: 49.0 (#134)

| Benchmark | Olmo 3.1 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1275 | 1362 |
| LMArena Chinese | 1304 | 1417 |
| LMArena French | 1328 | 1403 |
| LMArena German | 1283 | 1351 |
| LMArena Korean | 1206 | 1383 |
| LMArena Russian | 1268 | 1360 |
| LMArena Spanish | 1337 | 1408 |
| LMArena Japanese | — | 1300 |

## Instruction Following

- Olmo 3.1 32b Instruct: 68.8 (#182)
- Solar Pro4: 72.8 (#128)

| Benchmark | Olmo 3.1 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1298 | 1376 |

## Long Context

- Olmo 3.1 32b Instruct: 39.9 (#161)
- Solar Pro4: 42.0 (#125)

| Benchmark | Olmo 3.1 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1312 | 1379 |

## Writing & Preference

- Olmo 3.1 32b Instruct: 50.4 (#179)
- Solar Pro4: 56.7 (#133)

| Benchmark | Olmo 3.1 32b Instruct | Solar Pro4 |
|---|---|---|
| LMArena Text | 1311 | 1386 |
| LMArena Creative Writing | 1264 | 1313 |
| LMArena Multi-Turn | 1309 | 1391 |

## FAQ

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

Solar Pro4 is the stronger model overall, scoring 41.5 to 38.8 on the Noometry Index.

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

Solar Pro4 scores higher on coding benchmarks: 39.9 versus 38.9 in the Noometry coding category.

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

16 benchmarks have published results for both models. Olmo 3.1 32b Instruct has 16 scored results on Noometry and Solar Pro4 has 18.
