# Claude Sonnet 5.5 vs Olmo 3.1 32b Instruct

> Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 39.4 on the Noometry Index.

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

## Summary

- They share 12 benchmarks with published results for both. Claude Sonnet 5.5 scores higher in 8 categories and Olmo 3.1 32b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 5.5 leads 87.9 to 36.3.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| Provider | Anthropic | Allen Institute for AI (Ai2) |
| Noometry Index | 61.9 | 39.4 |
| Rank | 10 | 168 |
| Context | 1M | — |
| Input $/M | $2 | — |
| Output $/M | $10 | — |
| Weights | Proprietary | Open |

## Coding

- Claude Sonnet 5.5: 67.3 (#6)
- Olmo 3.1 32b Instruct: 39.5 (#157)

| Benchmark | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1513 | 1347 |
| FrontierCode | 52.1% | — |
| CursorBench | 55.5% | — |
| LMArena WebDev | 1774 | — |
| FrontierSWE | 61.9% | — |
| SciCode | 61% | — |
| ALE-Bench | 1,819 | — |

## Agentic & Tool Use

- Claude Sonnet 5.5: 45.0 (#16)
- Olmo 3.1 32b Instruct: —

| Benchmark | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| APEX-Agents | 75.5% | — |

## Reasoning

- Claude Sonnet 5.5: 54.0 (#28)
- Olmo 3.1 32b Instruct: 26.4 (#132)

| Benchmark | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1495 | 1322 |
| NYT Connections (extended) | 80.5% | — |
| CritPt | 31.4% | — |
| Mystery Game Puzzles | 65% | — |
| Epoch Capabilities Index | 165.03 | — |

## Math

- Claude Sonnet 5.5: 87.9 (#6)
- Olmo 3.1 32b Instruct: 36.3 (#167)

| Benchmark | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1510 | 1305 |
| FrontierMath (Tiers 1-3) | 88.8% | — |
| FrontierMath Tier 4 | 80.5% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 100% | — |
| FrontierMath Erdős | 2.9% | — |

## Knowledge

- Claude Sonnet 5.5: 66.0 (#12)
- Olmo 3.1 32b Instruct: 36.1 (#175)

| Benchmark | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1540 | 1308 |
| GPQA Diamond | 95.6% | — |
| SimpleQA Verified | 46.5% | — |

## Multimodal

- Claude Sonnet 5.5: 51.5 (#6)
- Olmo 3.1 32b Instruct: —

| Benchmark | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Vision | 1289 | — |
| Furniture Assembly | 75% | — |

## Multilingual

- Claude Sonnet 5.5: 55.3 (#30)
- Olmo 3.1 32b Instruct: 42.6 (#191)

| Benchmark | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1452 | 1275 |
| LMArena Chinese | 1522 | 1304 |
| LMArena Russian | 1451 | 1268 |
| LMArena French | — | 1328 |
| LMArena German | — | 1282 |
| LMArena Korean | — | 1206 |
| LMArena Spanish | — | 1336 |

## Instruction Following

- Claude Sonnet 5.5: 78.3 (#11)
- Olmo 3.1 32b Instruct: 68.6 (#187)

| Benchmark | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1495 | 1299 |

## Long Context

- Claude Sonnet 5.5: 45.9 (#28)
- Olmo 3.1 32b Instruct: 39.9 (#166)

| Benchmark | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1498 | 1312 |

## Writing & Preference

- Claude Sonnet 5.5: 66.0 (#40)
- Olmo 3.1 32b Instruct: 50.2 (#185)

| Benchmark | Claude Sonnet 5.5 | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1471 | 1311 |
| LMArena Creative Writing | 1465 | 1264 |
| LMArena Multi-Turn | 1474 | 1309 |

## FAQ

### Is Claude Sonnet 5.5 better than Olmo 3.1 32b Instruct?

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 39.4 on the Noometry Index.

### Is Claude Sonnet 5.5 or Olmo 3.1 32b Instruct better for coding?

Claude Sonnet 5.5 scores higher on coding benchmarks: 67.3 versus 39.5 in the Noometry coding category.

### How many benchmarks do Claude Sonnet 5.5 and Olmo 3.1 32b Instruct share?

12 benchmarks have published results for both models. Claude Sonnet 5.5 has 32 scored results on Noometry and Olmo 3.1 32b Instruct has 16.
