# Grok 4.3 vs Qwen2-72B

> Grok 4.3 is the stronger model overall, scoring 43.6 to 29.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-3-vs-qwen2-72b
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Grok 4.3 scores higher in 9 categories and Qwen2-72B in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4.3 leads 52.5 to 21.2.
- The biggest single-benchmark swing is GPQA Diamond: 88.8% for Grok 4.3 and 40.8% for Qwen2-72B.
- Qwen2-72B has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.3 | Qwen2-72B |
|---|---|---|
| Provider | xAI | Alibaba (Qwen) |
| Noometry Index | 43.6 | 29.5 |
| Rank | 80 | 294 |
| Context | 1M | — |
| Input $/M | $1.25 | — |
| Output $/M | $2.50 | — |
| Weights | Proprietary | Open |

## Coding

- Grok 4.3: 41.3 (#117)
- Qwen2-72B: 28.7 (#303)

| Benchmark | Grok 4.3 | Qwen2-72B |
|---|---|---|
| WeirdML | 49.9% | 11.3% |
| LMArena Coding | 1415 | 1196 |
| LMArena WebDev | 1357 | — |
| SciCode | 47.3% | — |
| BigCodeBench Instruct | — | 38.5% |
| BigCodeBench Complete | — | 54% |
| ALE-Bench | 944.17 | — |

## Agentic & Tool Use

- Grok 4.3: 27.6 (#93)
- Qwen2-72B: 16.9 (#138)

| Benchmark | Grok 4.3 | Qwen2-72B |
|---|---|---|
| TheAgentCompany | — | 1.1% |
| GDP.pdf | 8% | — |
| LMArena Search | 1165 | — |
| METR Time Horizons | — | 29.9% |
| Vending-Bench 2 | 35.26 | — |

## Reasoning

- Grok 4.3: 34.9 (#60)
- Qwen2-72B: 22.2 (#184)

| Benchmark | Grok 4.3 | Qwen2-72B |
|---|---|---|
| LMArena Hard Prompts | 1397 | 1191 |
| Epoch Capabilities Index | 149.13 | 125.27 |
| NYT Connections (extended) | 55.2% | — |
| CritPt | 8% | — |
| Chess Puzzles | 25% | — |
| DTBench | 90.7% | — |
| LMCA | 38.3% | — |
| ForecastBench | 60.3 | — |

## Math

- Grok 4.3: 45.8 (#60)
- Qwen2-72B: 27.9 (#232)

| Benchmark | Grok 4.3 | Qwen2-72B |
|---|---|---|
| LMArena Math | 1388 | 1235 |
| FrontierMath (Tiers 1-3) | 42.8% | — |
| FrontierMath Tier 4 | 14.6% | — |
| OTIS Mock AIME 2024-2025 | 93.3% | — |
| ProofBench | 11% | — |
| MATH Level 5 | — | 39.1% |

## Knowledge

- Grok 4.3: 52.5 (#57)
- Qwen2-72B: 21.2 (#270)

| Benchmark | Grok 4.3 | Qwen2-72B |
|---|---|---|
| GPQA Diamond | 88.8% | 40.8% |
| LMArena Expert | 1385 | 1171 |
| SimpleQA Verified | 33.2% | — |
| MMLU | — | 82.4% |

## Multimodal

- Grok 4.3: 31.6 (#96)
- Qwen2-72B: —

| Benchmark | Grok 4.3 | Qwen2-72B |
|---|---|---|
| LMArena Vision | 1231 | — |
| Blueprint-Bench 2 | 0% | — |

## Multilingual

- Grok 4.3: 50.7 (#114)
- Qwen2-72B: 36.0 (#239)

| Benchmark | Grok 4.3 | Qwen2-72B |
|---|---|---|
| LMArena Non-English | 1385 | 1176 |
| LMArena Chinese | 1423 | 1240 |
| LMArena French | 1412 | 1169 |
| LMArena German | 1395 | 1151 |
| LMArena Japanese | 1379 | 1111 |
| LMArena Korean | 1357 | 1083 |
| LMArena Russian | 1399 | 1169 |
| LMArena Spanish | 1402 | 1168 |

## Instruction Following

- Grok 4.3: 72.3 (#135)
- Qwen2-72B: 62.0 (#236)

| Benchmark | Grok 4.3 | Qwen2-72B |
|---|---|---|
| LMArena Instruction Following | 1366 | 1181 |

## Long Context

- Grok 4.3: 42.5 (#118)
- Qwen2-72B: 36.1 (#230)

| Benchmark | Grok 4.3 | Qwen2-72B |
|---|---|---|
| LMArena Longer Query | 1393 | 1193 |

## Writing & Preference

- Grok 4.3: 58.6 (#112)
- Qwen2-72B: 41.0 (#236)

| Benchmark | Grok 4.3 | Qwen2-72B |
|---|---|---|
| LMArena Text | 1397 | 1203 |
| LMArena Creative Writing | 1380 | 1181 |
| LMArena Multi-Turn | 1406 | 1195 |
| EQ-Bench 4 | 1075 | — |

## FAQ

### Is Grok 4.3 better than Qwen2-72B?

Grok 4.3 is the stronger model overall, scoring 43.6 to 29.5 on the Noometry Index.

### Is Grok 4.3 or Qwen2-72B better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.3 versus 28.7 in the Noometry coding category.

### How many benchmarks do Grok 4.3 and Qwen2-72B share?

20 benchmarks have published results for both models. Grok 4.3 has 40 scored results on Noometry and Qwen2-72B has 26.