# Qwen2.5 Plus 1127 vs Qwen3 8B

> Qwen2.5 Plus 1127 is the stronger model overall, scoring 38.1 to 33.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/qwen2-5-plus-vs-qwen3-8b
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Qwen2.5 Plus 1127 leads 24.8 to 16.1.
- Qwen3 8B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen2.5 Plus 1127 | Qwen3 8B |
|---|---|---|
| Provider | Alibaba (Qwen) | Alibaba (Qwen) |
| Noometry Index | 38.1 | 33.3 |
| Rank | 179 | 237 |
| Context | — | 131K |
| Input $/M | — | $0.18 |
| Output $/M | — | $0.70 |
| Weights | Proprietary | Open |

## Coding

- Qwen2.5 Plus 1127: 37.9 (#171)
- Qwen3 8B: 33.4 (#245)

| Benchmark | Qwen2.5 Plus 1127 | Qwen3 8B |
|---|---|---|
| SciCode | — | 22.6% |
| LMArena Coding | 1314 | — |

## Agentic & Tool Use

- Qwen2.5 Plus 1127: —
- Qwen3 8B: 29.9 (#71)

| Benchmark | Qwen2.5 Plus 1127 | Qwen3 8B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 42.6% |

## Reasoning

- Qwen2.5 Plus 1127: 24.8 (#139)
- Qwen3 8B: 16.1 (#299)

| Benchmark | Qwen2.5 Plus 1127 | Qwen3 8B |
|---|---|---|
| CritPt | — | 0% |
| Chess Puzzles | — | 5% |
| LMArena Hard Prompts | 1299 | — |
| DTBench | — | 59.7% |
| LMCA | — | 8.8% |
| Epoch Capabilities Index | — | 136.17 |

## Math

- Qwen2.5 Plus 1127: 33.5 (#175)
- Qwen3 8B: 33.3 (#176)

| Benchmark | Qwen2.5 Plus 1127 | Qwen3 8B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 56.1% |
| LMArena Math | 1298 | — |

## Knowledge

- Qwen2.5 Plus 1127: 34.9 (#179)
- Qwen3 8B: 36.1 (#164)

| Benchmark | Qwen2.5 Plus 1127 | Qwen3 8B |
|---|---|---|
| GPQA Diamond | — | 56.8% |
| Vectara Hallucination Rate | — | 4.8% |
| LMArena Expert | 1289 | — |

## Multilingual

- Qwen2.5 Plus 1127: 42.1 (#196)
- Qwen3 8B: —

| Benchmark | Qwen2.5 Plus 1127 | Qwen3 8B |
|---|---|---|
| LMArena Non-English | 1265 | — |
| LMArena Chinese | 1314 | — |
| LMArena German | 1231 | — |
| LMArena Japanese | 1207 | — |
| LMArena Russian | 1271 | — |

## Instruction Following

- Qwen2.5 Plus 1127: 67.4 (#194)
- Qwen3 8B: —

| Benchmark | Qwen2.5 Plus 1127 | Qwen3 8B |
|---|---|---|
| LMArena Instruction Following | 1275 | — |

## Long Context

- Qwen2.5 Plus 1127: 39.2 (#180)
- Qwen3 8B: 37.8 (#205)

| Benchmark | Qwen2.5 Plus 1127 | Qwen3 8B |
|---|---|---|
| Fiction.LiveBench | — | 62.1% |
| LMArena Longer Query | 1292 | — |

## Writing & Preference

- Qwen2.5 Plus 1127: 49.5 (#186)
- Qwen3 8B: —

| Benchmark | Qwen2.5 Plus 1127 | Qwen3 8B |
|---|---|---|
| LMArena Text | 1299 | — |
| LMArena Creative Writing | 1262 | — |
| LMArena Multi-Turn | 1299 | — |

## FAQ

### Is Qwen2.5 Plus 1127 better than Qwen3 8B?

Qwen2.5 Plus 1127 is the stronger model overall, scoring 38.1 to 33.3 on the Noometry Index.

### Is Qwen2.5 Plus 1127 or Qwen3 8B better for coding?

Qwen2.5 Plus 1127 scores higher on coding benchmarks: 37.9 versus 33.4 in the Noometry coding category.

### How many benchmarks do Qwen2.5 Plus 1127 and Qwen3 8B share?

0 benchmarks have published results for both models. Qwen2.5 Plus 1127 has 14 scored results on Noometry and Qwen3 8B has 11.