# Gemini 1.5 Flash 8B vs Yi-Lightning

> Yi-Lightning is the stronger model overall, scoring 37.1 to 29.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-flash-8b-vs-yi-lightning
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 1 category and Yi-Lightning in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Yi-Lightning leads 36.2 to 14.2.

## Snapshot

| | Gemini 1.5 Flash 8B | Yi-Lightning |
|---|---|---|
| Provider | Google | 01.AI |
| Noometry Index | 29.9 | 37.1 |
| Rank | 301 | 209 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.5 Flash 8B: 35.5 (#225)
- Yi-Lightning: 27.4 (#320)

| Benchmark | Gemini 1.5 Flash 8B | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1218 | 1312 |
| Aider Polyglot | — | 12.9% |

## Reasoning

- Gemini 1.5 Flash 8B: 20.0 (#244)
- Yi-Lightning: 25.9 (#139)

| Benchmark | Gemini 1.5 Flash 8B | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1209 | 1302 |
| DTBench | 50% | — |

## Math

- Gemini 1.5 Flash 8B: 14.2 (#302)
- Yi-Lightning: 36.2 (#172)

| Benchmark | Gemini 1.5 Flash 8B | Yi-Lightning |
|---|---|---|
| LMArena Math | 1207 | 1300 |
| OTIS Mock AIME 2024-2025 | 4.6% | — |

## Knowledge

- Gemini 1.5 Flash 8B: 16.0 (#289)
- Yi-Lightning: 35.4 (#185)

| Benchmark | Gemini 1.5 Flash 8B | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1185 | 1286 |
| GPQA Diamond | 33% | — |

## Multimodal

- Gemini 1.5 Flash 8B: 28.2 (#115)
- Yi-Lightning: —

| Benchmark | Gemini 1.5 Flash 8B | Yi-Lightning |
|---|---|---|
| LMArena Vision | 1044 | — |

## Multilingual

- Gemini 1.5 Flash 8B: 38.5 (#229)
- Yi-Lightning: 42.2 (#196)

| Benchmark | Gemini 1.5 Flash 8B | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1215 | 1269 |
| LMArena Chinese | 1231 | 1320 |
| LMArena French | 1234 | 1305 |
| LMArena German | 1206 | 1267 |
| LMArena Japanese | 1150 | 1228 |
| LMArena Korean | 1140 | 1192 |
| LMArena Russian | 1236 | 1255 |
| LMArena Spanish | 1212 | 1315 |

## Instruction Following

- Gemini 1.5 Flash 8B: 62.8 (#236)
- Yi-Lightning: 67.4 (#196)

| Benchmark | Gemini 1.5 Flash 8B | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1199 | 1278 |

## Long Context

- Gemini 1.5 Flash 8B: 37.0 (#225)
- Yi-Lightning: 39.4 (#181)

| Benchmark | Gemini 1.5 Flash 8B | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1219 | 1297 |

## Writing & Preference

- Gemini 1.5 Flash 8B: 42.8 (#232)
- Yi-Lightning: 50.2 (#184)

| Benchmark | Gemini 1.5 Flash 8B | Yi-Lightning |
|---|---|---|
| LMArena Text | 1226 | 1302 |
| LMArena Creative Writing | 1218 | 1280 |
| LMArena Multi-Turn | 1185 | 1311 |

## FAQ

### Is Gemini 1.5 Flash 8B better than Yi-Lightning?

Yi-Lightning is the stronger model overall, scoring 37.1 to 29.9 on the Noometry Index.

### Is Gemini 1.5 Flash 8B or Yi-Lightning better for coding?

Gemini 1.5 Flash 8B scores higher on coding benchmarks: 35.5 versus 27.4 in the Noometry coding category.

### How many benchmarks do Gemini 1.5 Flash 8B and Yi-Lightning share?

17 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and Yi-Lightning has 18.