# Claude Sonnet 5.5 vs Olmo 7b Instruct

> Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 30.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-sonnet-5-5-vs-olmo-7b-instruct
- Last updated: 2026-10-11
- Shared benchmarks: 10

## Summary

- They share 10 benchmarks with published results for both. Claude Sonnet 5.5 scores higher in 6 categories and Olmo 7b Instruct in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Sonnet 5.5 leads 87.9 to 30.2.
- Olmo 7b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| Provider | Anthropic | Allen Institute for AI (Ai2) |
| Noometry Index | 61.9 | 30.3 |
| Rank | 10 | 295 |
| Context | 1M | — |
| Input $/M | $2 | — |
| Output $/M | $10 | — |
| Weights | Proprietary | Open |

## Coding

- Claude Sonnet 5.5: 67.3 (#6)
- Olmo 7b Instruct: 29.6 (#303)

| Benchmark | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Coding | 1513 | 1016 |
| 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 7b Instruct: —

| Benchmark | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| APEX-Agents | 75.5% | — |

## Reasoning

- Claude Sonnet 5.5: 54.0 (#28)
- Olmo 7b Instruct: 18.8 (#274)

| Benchmark | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1495 | 993 |
| 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 7b Instruct: 30.2 (#237)

| Benchmark | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Math | 1510 | 1018 |
| 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 7b Instruct: —

| Benchmark | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| GPQA Diamond | 95.6% | — |
| SimpleQA Verified | 46.5% | — |
| LMArena Expert | 1540 | — |

## Multimodal

- Claude Sonnet 5.5: 51.5 (#6)
- Olmo 7b Instruct: —

| Benchmark | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Vision | 1289 | — |
| Furniture Assembly | 75% | — |

## Multilingual

- Claude Sonnet 5.5: 55.3 (#30)
- Olmo 7b Instruct: 24.0 (#291)

| Benchmark | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Non-English | 1452 | 977 |
| LMArena Chinese | 1522 | 1014 |
| LMArena Russian | 1451 | 947 |

## Instruction Following

- Claude Sonnet 5.5: 78.3 (#11)
- Olmo 7b Instruct: 49.0 (#301)

| Benchmark | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Instruction Following | 1495 | 978 |

## Long Context

- Claude Sonnet 5.5: 45.9 (#28)
- Olmo 7b Instruct: —

| Benchmark | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Longer Query | 1498 | — |

## Writing & Preference

- Claude Sonnet 5.5: 66.0 (#40)
- Olmo 7b Instruct: 25.8 (#303)

| Benchmark | Claude Sonnet 5.5 | Olmo 7b Instruct |
|---|---|---|
| LMArena Text | 1471 | 1032 |
| LMArena Creative Writing | 1465 | 990 |
| LMArena Multi-Turn | 1474 | 1007 |

## FAQ

### Is Claude Sonnet 5.5 better than Olmo 7b Instruct?

Claude Sonnet 5.5 is the stronger model overall, scoring 61.9 to 30.3 on the Noometry Index.

### Is Claude Sonnet 5.5 or Olmo 7b Instruct better for coding?

Claude Sonnet 5.5 scores higher on coding benchmarks: 67.3 versus 29.6 in the Noometry coding category.

### How many benchmarks do Claude Sonnet 5.5 and Olmo 7b Instruct share?

10 benchmarks have published results for both models. Claude Sonnet 5.5 has 32 scored results on Noometry and Olmo 7b Instruct has 10.