# Qwen1.5-72B vs Qwen2-72B

> Qwen1.5-72B and Qwen2-72B score almost the same on the Noometry Index (30.8 vs 30.0), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/qwen1-5-72b-vs-qwen2-72b
- Last updated: 2026-10-12
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Qwen1.5-72B scores higher in 2 categories and Qwen2-72B in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen2-72B leads 21.2 to 11.5.
- The biggest single-benchmark swing is BigCodeBench Complete: 40.3% for Qwen1.5-72B and 54% for Qwen2-72B.

## Snapshot

| | Qwen1.5-72B | Qwen2-72B |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 30.8 | 30.0 |
| Rank | 285 | 300 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Qwen1.5-72B: 31.9 (#277)
- Qwen2-72B: 29.1 (#310)

| Benchmark | Qwen1.5-72B | Qwen2-72B |
|---|---|---|
| BigCodeBench Instruct | 33.2% | 38.5% |
| LMArena Coding | 1165 | 1196 |
| BigCodeBench Complete | 40.3% | 54% |
| WeirdML | — | 11.3% |
| HumanEval+ | 59.1% | — |
| MBPP+ | 61.6% | — |

## Agentic & Tool Use

- Qwen1.5-72B: —
- Qwen2-72B: 17.0 (#146)

| Benchmark | Qwen1.5-72B | Qwen2-72B |
|---|---|---|
| TheAgentCompany | — | 1.1% |
| METR Time Horizons | — | 29.9% |

## Reasoning

- Qwen1.5-72B: 22.2 (#203)
- Qwen2-72B: 23.2 (#181)

| Benchmark | Qwen1.5-72B | Qwen2-72B |
|---|---|---|
| LMArena Hard Prompts | 1148 | 1191 |
| Epoch Capabilities Index | — | 125.28 |

## Math

- Qwen1.5-72B: 33.2 (#205)
- Qwen2-72B: 30.2 (#236)

| Benchmark | Qwen1.5-72B | Qwen2-72B |
|---|---|---|
| LMArena Math | 1164 | 1235 |
| MATH Level 5 | — | 39.1% |

## Knowledge

- Qwen1.5-72B: 11.5 (#300)
- Qwen2-72B: 21.2 (#275)

| Benchmark | Qwen1.5-72B | Qwen2-72B |
|---|---|---|
| GPQA Diamond | 28.8% | 40.8% |
| LMArena Expert | 1136 | 1171 |
| MMLU | — | 82.4% |

## Multilingual

- Qwen1.5-72B: 33.2 (#253)
- Qwen2-72B: 35.9 (#244)

| Benchmark | Qwen1.5-72B | Qwen2-72B |
|---|---|---|
| LMArena Non-English | 1135 | 1176 |
| LMArena Chinese | 1186 | 1240 |
| LMArena French | 1159 | 1170 |
| LMArena German | 1084 | 1151 |
| LMArena Japanese | 1061 | 1111 |
| LMArena Korean | 1050 | 1083 |
| LMArena Russian | 1104 | 1169 |
| LMArena Spanish | 1110 | 1169 |

## Instruction Following

- Qwen1.5-72B: 59.3 (#256)
- Qwen2-72B: 61.7 (#241)

| Benchmark | Qwen1.5-72B | Qwen2-72B |
|---|---|---|
| LMArena Instruction Following | 1141 | 1181 |

## Long Context

- Qwen1.5-72B: 35.1 (#243)
- Qwen2-72B: 36.1 (#235)

| Benchmark | Qwen1.5-72B | Qwen2-72B |
|---|---|---|
| LMArena Longer Query | 1157 | 1192 |

## Writing & Preference

- Qwen1.5-72B: 37.3 (#258)
- Qwen2-72B: 40.8 (#241)

| Benchmark | Qwen1.5-72B | Qwen2-72B |
|---|---|---|
| LMArena Text | 1166 | 1203 |
| LMArena Creative Writing | 1137 | 1181 |
| LMArena Multi-Turn | 1160 | 1196 |

## FAQ

### Is Qwen1.5-72B better than Qwen2-72B?

Qwen1.5-72B and Qwen2-72B score almost the same on the Noometry Index (30.8 vs 30.0), so choose on price, context window or the category you care about most.

### Is Qwen1.5-72B or Qwen2-72B better for coding?

Qwen1.5-72B scores higher on coding benchmarks: 31.9 versus 29.1 in the Noometry coding category.

### How many benchmarks do Qwen1.5-72B and Qwen2-72B share?

20 benchmarks have published results for both models. Qwen1.5-72B has 22 scored results on Noometry and Qwen2-72B has 26.