# Claude Opus 5 vs Olmo 2 0325 32b Instruct

> Claude Opus 5 is the stronger model overall, scoring 67.7 to 32.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-opus-5-vs-olmo-2-0325-32b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 11

## Summary

- They share 11 benchmarks with published results for both. Claude Opus 5 scores higher in 8 categories and Olmo 2 0325 32b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Opus 5 leads 86.1 to 24.8.
- Olmo 2 0325 32b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| Provider | Anthropic | Allen Institute for AI (Ai2) |
| Noometry Index | 67.7 | 32.2 |
| Rank | 4 | 248 |
| Context | 1M | — |
| Input $/M | $5 | — |
| Output $/M | $25 | — |
| Weights | Proprietary | Open |

## Coding

- Claude Opus 5: 67.0 (#5)
- Olmo 2 0325 32b Instruct: 34.6 (#222)

| Benchmark | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Coding | 1533 | 1210 |
| DeepSWE | 73.6% | — |
| FrontierCode | 53.4% | — |
| CursorBench | 46.6% | — |
| LMArena WebDev | 1694 | — |
| FrontierSWE | 52% | — |
| SciCode | 56.4% | — |
| WeirdML | 91.8% | — |
| ALE-Bench | 2,165 | — |

## Agentic & Tool Use

- Claude Opus 5: 55.5 (#1)
- Olmo 2 0325 32b Instruct: —

| Benchmark | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| APEX-Agents | 65.8% | — |
| OSWorld 2.0 | 31.4% | — |
| τ²-bench Banking | 48.7% | — |
| PostTrainBench | 35% | — |
| BALROG | 63.4% | — |
| GBAEval | 79.6% | — |
| GDP.pdf | 24% | — |
| Vending-Bench 2 | 11,182 | — |

## Reasoning

- Claude Opus 5: 77.1 (#3)
- Olmo 2 0325 32b Instruct: 22.6 (#174)

| Benchmark | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1525 | 1208 |
| ARC-AGI-2 | 90.4% | — |
| SimpleBench | 80.6% | — |
| NYT Connections (extended) | 94.3% | — |
| ARC-AGI-1 | 97.5% | — |
| CritPt | 29.1% | — |
| Chess Puzzles | 42% | — |
| EBR-Bench | 45.7% | — |
| Mystery Game Puzzles | 59% | — |
| DTBench | 97.9% | — |
| LMCA | 64.5% | — |
| Bench to the Future 3 | 0.12 | — |
| Epoch Capabilities Index | 162.67 | — |

## Math

- Claude Opus 5: 86.1 (#6)
- Olmo 2 0325 32b Instruct: 24.8 (#255)

| Benchmark | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Math | 1533 | 1208 |
| FrontierMath (Tiers 1-3) | 85.6% | — |
| FrontierMath Tier 4 | 73.2% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
| ProofBench | 99% | — |
| Omni-MATH | — | 16.1% |

## Knowledge

- Claude Opus 5: 66.8 (#8)
- Olmo 2 0325 32b Instruct: 19.2 (#274)

| Benchmark | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| GPQA Diamond | 93.9% | — |
| SimpleQA Verified | 59.9% | — |
| MMLU-Pro | — | 41.4% |
| GPQA (HELM) | — | 28.7% |
| LMArena Expert | 1558 | — |

## Multimodal

- Claude Opus 5: 51.1 (#6)
- Olmo 2 0325 32b Instruct: —

| Benchmark | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Vision | 1321 | — |
| Blueprint-Bench 2 | 30.4% | — |
| Furniture Assembly | 60.8% | — |
| LMArena Document | 1516 | — |

## Multilingual

- Claude Opus 5: 58.8 (#3)
- Olmo 2 0325 32b Instruct: 35.0 (#243)

| Benchmark | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Non-English | 1500 | 1160 |
| LMArena Chinese | 1575 | 1192 |
| LMArena Russian | 1507 | 1187 |
| LMArena French | 1522 | — |
| LMArena German | 1522 | — |
| LMArena Japanese | 1510 | — |
| LMArena Korean | 1526 | — |
| LMArena Spanish | 1519 | — |

## Instruction Following

- Claude Opus 5: 79.3 (#5)
- Olmo 2 0325 32b Instruct: 61.8 (#238)

| Benchmark | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1516 | 1186 |
| IFEval | — | 78% |

## Long Context

- Claude Opus 5: 46.5 (#20)
- Olmo 2 0325 32b Instruct: 36.2 (#229)

| Benchmark | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1516 | 1194 |

## Writing & Preference

- Claude Opus 5: 79.3 (#2)
- Olmo 2 0325 32b Instruct: 42.3 (#231)

| Benchmark | Claude Opus 5 | Olmo 2 0325 32b Instruct |
|---|---|---|
| LMArena Text | 1506 | 1218 |
| LMArena Creative Writing | 1491 | 1199 |
| LMArena Multi-Turn | 1496 | 1221 |
| EQ-Bench Creative Writing | 2133 | — |
| WildBench | — | 73.4% |
| EQ-Bench 4 | 1385 | — |

## FAQ

### Is Claude Opus 5 better than Olmo 2 0325 32b Instruct?

Claude Opus 5 is the stronger model overall, scoring 67.7 to 32.2 on the Noometry Index.

### Is Claude Opus 5 or Olmo 2 0325 32b Instruct better for coding?

Claude Opus 5 scores higher on coding benchmarks: 67.0 versus 34.6 in the Noometry coding category.

### How many benchmarks do Claude Opus 5 and Olmo 2 0325 32b Instruct share?

11 benchmarks have published results for both models. Claude Opus 5 has 57 scored results on Noometry and Olmo 2 0325 32b Instruct has 16.