# Qwen3 8B vs Yi-Lightning

> Yi-Lightning is the stronger model overall, scoring 36.5 to 33.3 on the Noometry Index.

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

## Summary

- The widest gap is in reasoning, where Yi-Lightning leads 24.9 to 16.1.
- Qwen3 8B has downloadable open weights; the other is API-only.

## Snapshot

| | Qwen3 8B | Yi-Lightning |
|---|---|---|
| Provider | Alibaba (Qwen) | 01.AI |
| Noometry Index | 33.3 | 36.5 |
| Rank | 237 | 206 |
| Context | 131K | — |
| Input $/M | $0.18 | — |
| Output $/M | $0.70 | — |
| Weights | Open | Proprietary |

## Coding

- Qwen3 8B: 33.4 (#245)
- Yi-Lightning: 27.0 (#315)

| Benchmark | Qwen3 8B | Yi-Lightning |
|---|---|---|
| Aider Polyglot | — | 12.9% |
| SciCode | 22.6% | — |
| LMArena Coding | — | 1313 |

## Agentic & Tool Use

- Qwen3 8B: 29.9 (#71)
- Yi-Lightning: —

| Benchmark | Qwen3 8B | Yi-Lightning |
|---|---|---|
| Berkeley Function Calling Leaderboard | 42.6% | — |

## Reasoning

- Qwen3 8B: 16.1 (#299)
- Yi-Lightning: 24.9 (#137)

| Benchmark | Qwen3 8B | Yi-Lightning |
|---|---|---|
| CritPt | 0% | — |
| Chess Puzzles | 5% | — |
| LMArena Hard Prompts | — | 1302 |
| DTBench | 59.7% | — |
| LMCA | 8.8% | — |
| Epoch Capabilities Index | 136.17 | — |

## Math

- Qwen3 8B: 33.3 (#176)
- Yi-Lightning: 33.5 (#173)

| Benchmark | Qwen3 8B | Yi-Lightning |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 56.1% | — |
| LMArena Math | — | 1300 |

## Knowledge

- Qwen3 8B: 36.1 (#164)
- Yi-Lightning: 34.8 (#182)

| Benchmark | Qwen3 8B | Yi-Lightning |
|---|---|---|
| GPQA Diamond | 56.8% | — |
| Vectara Hallucination Rate | 4.8% | — |
| LMArena Expert | — | 1286 |

## Multilingual

- Qwen3 8B: —
- Yi-Lightning: 42.4 (#191)

| Benchmark | Qwen3 8B | Yi-Lightning |
|---|---|---|
| LMArena Non-English | — | 1269 |
| LMArena Chinese | — | 1320 |
| LMArena French | — | 1304 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Russian | — | 1255 |
| LMArena Spanish | — | 1315 |

## Instruction Following

- Qwen3 8B: —
- Yi-Lightning: 67.6 (#191)

| Benchmark | Qwen3 8B | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | — | 1278 |

## Long Context

- Qwen3 8B: 37.8 (#205)
- Yi-Lightning: 39.4 (#176)

| Benchmark | Qwen3 8B | Yi-Lightning |
|---|---|---|
| Fiction.LiveBench | 62.1% | — |
| LMArena Longer Query | — | 1297 |

## Writing & Preference

- Qwen3 8B: —
- Yi-Lightning: 50.4 (#178)

| Benchmark | Qwen3 8B | Yi-Lightning |
|---|---|---|
| LMArena Text | — | 1302 |
| LMArena Creative Writing | — | 1280 |
| LMArena Multi-Turn | — | 1311 |

## FAQ

### Is Qwen3 8B better than Yi-Lightning?

Yi-Lightning is the stronger model overall, scoring 36.5 to 33.3 on the Noometry Index.

### Is Qwen3 8B or Yi-Lightning better for coding?

Qwen3 8B scores higher on coding benchmarks: 33.4 versus 27.0 in the Noometry coding category.

### How many benchmarks do Qwen3 8B and Yi-Lightning share?

0 benchmarks have published results for both models. Qwen3 8B has 11 scored results on Noometry and Yi-Lightning has 18.