# Grok 3 vs Qwen2.5 72B Instruct

> Grok 3 is the stronger model overall, scoring 39.6 to 31.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-3-vs-qwen2-5-72b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 29

## Summary

- They share 29 benchmarks with published results for both. Grok 3 scores higher in 7 categories and Qwen2.5 72B Instruct in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 3 leads 46.0 to 26.9.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 55.6% for Grok 3 and 8.1% for Qwen2.5 72B Instruct.
- Qwen2.5 72B Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 3 | Qwen2.5 72B Instruct |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 39.6 | 31.5 |
| Rank | 150 | 259 |
| Context | — | 131K |
| Input $/M | — | $1.40 |
| Output $/M | — | $5.60 |
| Weights | Proprietary | Open |

## Coding

- Grok 3: 41.5 (#113)
- Qwen2.5 72B Instruct: 32.8 (#256)

| Benchmark | Grok 3 | Qwen2.5 72B Instruct |
|---|---|---|
| WeirdML | 37.2% | 16% |
| LMArena Coding | 1432 | 1293 |
| Aider Polyglot | 53.3% | — |
| BigCodeBench Instruct | — | 45.8% |
| BigCodeBench Complete | — | 55.9% |

## Agentic & Tool Use

- Grok 3: 30.2 (#69)
- Qwen2.5 72B Instruct: 22.0 (#124)

| Benchmark | Grok 3 | Qwen2.5 72B Instruct |
|---|---|---|
| BALROG | 29.5% | 16.2% |
| TheAgentCompany | — | 5.7% |
| METR Time Horizons | — | 35.8% |

## Reasoning

- Grok 3: 13.8 (#322)
- Qwen2.5 72B Instruct: 21.4 (#197)

| Benchmark | Grok 3 | Qwen2.5 72B Instruct |
|---|---|---|
| LMArena Hard Prompts | 1433 | 1271 |
| Epoch Capabilities Index | 138.34 | 129.01 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 36.1% | — |
| Kagi LLM Benchmark | 61.3% | — |
| ARC-AGI-1 | 5.5% | — |
| DTBench | — | 62.9% |
| LMCA | — | 13.4% |
| BIG-Bench Hard | — | 79.8% |
| ForecastBench | — | 57.5 |
| HellaSwag | — | 84.8% |
| PIQA | — | 82.6% |
| WinoGrande | — | 82.3% |

## Math

- Grok 3: 36.2 (#122)
- Qwen2.5 72B Instruct: 18.1 (#281)

| Benchmark | Grok 3 | Qwen2.5 72B Instruct |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 55.6% | 8.1% |
| Omni-MATH | 46.4% | 33% |
| LMArena Math | 1390 | 1283 |
| MATH Level 5 | 88.7% | 63.2% |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Grok 3: 46.0 (#76)
- Qwen2.5 72B Instruct: 26.9 (#247)

| Benchmark | Grok 3 | Qwen2.5 72B Instruct |
|---|---|---|
| GPQA Diamond | 75.8% | 49.1% |
| MMLU-Pro | 78.8% | 63.1% |
| Confabulations | 14.2% | 19.1% |
| GPQA (HELM) | 65% | 42.6% |
| LMArena Expert | 1420 | 1245 |
| Vectara Hallucination Rate | 5.8% | — |
| ARC (AI2) Challenge | — | 94.5% |
| MMLU | — | 85.3% |
| TriviaQA | — | 71.9% |

## Multilingual

- Grok 3: 52.5 (#81)
- Qwen2.5 72B Instruct: 41.2 (#208)

| Benchmark | Grok 3 | Qwen2.5 72B Instruct |
|---|---|---|
| LMArena Non-English | 1411 | 1252 |
| LMArena Chinese | 1448 | 1272 |
| LMArena French | 1460 | 1279 |
| LMArena German | 1431 | 1234 |
| LMArena Japanese | 1389 | 1180 |
| LMArena Korean | 1374 | 1188 |
| LMArena Russian | 1416 | 1264 |
| LMArena Spanish | 1417 | 1255 |

## Instruction Following

- Grok 3: 75.2 (#69)
- Qwen2.5 72B Instruct: 65.7 (#216)

| Benchmark | Grok 3 | Qwen2.5 72B Instruct |
|---|---|---|
| IFEval | 88.4% | 80.6% |
| LMArena Instruction Following | 1409 | 1254 |

## Long Context

- Grok 3: 38.7 (#187)
- Qwen2.5 72B Instruct: 38.9 (#183)

| Benchmark | Grok 3 | Qwen2.5 72B Instruct |
|---|---|---|
| LMArena Longer Query | 1439 | 1282 |
| Fiction.LiveBench | 58.3% | — |

## Writing & Preference

- Grok 3: 56.0 (#136)
- Qwen2.5 72B Instruct: 46.9 (#210)

| Benchmark | Grok 3 | Qwen2.5 72B Instruct |
|---|---|---|
| LMArena Text | 1426 | 1269 |
| LMArena Creative Writing | 1414 | 1221 |
| WildBench | 84.9% | 80.2% |
| LMArena Multi-Turn | 1424 | 1272 |
| Short-Story Creative Writing | 76.4% | — |
| EQ-Bench Creative Writing | 1186 | — |

## FAQ

### Is Grok 3 better than Qwen2.5 72B Instruct?

Grok 3 is the stronger model overall, scoring 39.6 to 31.5 on the Noometry Index.

### Is Grok 3 or Qwen2.5 72B Instruct better for coding?

Grok 3 scores higher on coding benchmarks: 41.5 versus 32.8 in the Noometry coding category.

### How many benchmarks do Grok 3 and Qwen2.5 72B Instruct share?

29 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Qwen2.5 72B Instruct has 43.