# Olmo 3.1 32b Instruct vs Yi-1.5-34B

> Olmo 3.1 32b Instruct is the stronger model overall, scoring 39.4 to 30.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/olmo-3-1-32b-instruct-vs-yi-1-5-34b
- Last updated: 2026-10-12
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Olmo 3.1 32b Instruct scores higher in 8 categories and Yi-1.5-34B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Olmo 3.1 32b Instruct leads 36.1 to 14.8.

## Snapshot

| | Olmo 3.1 32b Instruct | Yi-1.5-34B |
|---|---|---|
| Provider | Allen Institute for AI (Ai2) | 01.AI |
| Noometry Index | 39.4 | 30.6 |
| Rank | 168 | 289 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Olmo 3.1 32b Instruct: 39.5 (#157)
- Yi-1.5-34B: 32.4 (#272)

| Benchmark | Olmo 3.1 32b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1347 | 1169 |
| BigCodeBench Instruct | — | 33.9% |
| BigCodeBench Complete | — | 43.8% |

## Reasoning

- Olmo 3.1 32b Instruct: 26.4 (#132)
- Yi-1.5-34B: 22.5 (#191)

| Benchmark | Olmo 3.1 32b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1322 | 1160 |

## Math

- Olmo 3.1 32b Instruct: 36.3 (#167)
- Yi-1.5-34B: 27.5 (#249)

| Benchmark | Olmo 3.1 32b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1305 | 1182 |
| MATH Level 5 | — | 25.5% |

## Knowledge

- Olmo 3.1 32b Instruct: 36.1 (#175)
- Yi-1.5-34B: 14.8 (#295)

| Benchmark | Olmo 3.1 32b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Expert | 1308 | 1144 |
| GPQA Diamond | — | 32% |

## Multilingual

- Olmo 3.1 32b Instruct: 42.6 (#191)
- Yi-1.5-34B: 32.3 (#256)

| Benchmark | Olmo 3.1 32b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1275 | 1121 |
| LMArena Chinese | 1304 | 1213 |
| LMArena French | 1328 | 1156 |
| LMArena German | 1282 | 1111 |
| LMArena Korean | 1206 | 1005 |
| LMArena Russian | 1268 | 1091 |
| LMArena Spanish | 1336 | 1121 |
| LMArena Japanese | — | 1021 |

## Instruction Following

- Olmo 3.1 32b Instruct: 68.6 (#187)
- Yi-1.5-34B: 59.2 (#257)

| Benchmark | Olmo 3.1 32b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1299 | 1139 |

## Long Context

- Olmo 3.1 32b Instruct: 39.9 (#166)
- Yi-1.5-34B: 34.6 (#248)

| Benchmark | Olmo 3.1 32b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1312 | 1143 |

## Writing & Preference

- Olmo 3.1 32b Instruct: 50.2 (#185)
- Yi-1.5-34B: 37.4 (#257)

| Benchmark | Olmo 3.1 32b Instruct | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1311 | 1173 |
| LMArena Creative Writing | 1264 | 1135 |
| LMArena Multi-Turn | 1309 | 1153 |

## FAQ

### Is Olmo 3.1 32b Instruct better than Yi-1.5-34B?

Olmo 3.1 32b Instruct is the stronger model overall, scoring 39.4 to 30.6 on the Noometry Index.

### Is Olmo 3.1 32b Instruct or Yi-1.5-34B better for coding?

Olmo 3.1 32b Instruct scores higher on coding benchmarks: 39.5 versus 32.4 in the Noometry coding category.

### How many benchmarks do Olmo 3.1 32b Instruct and Yi-1.5-34B share?

16 benchmarks have published results for both models. Olmo 3.1 32b Instruct has 16 scored results on Noometry and Yi-1.5-34B has 21.
